CIS22A Homework 8
Spring 2022
Topic:
A function with parameters passed by value and passed by reference (Chapter 6.13, Lecture 6/6/22)
Do not use anything beyond Chapter 6 materials.
Do not use C++ pointers (this is not a topic of this course).
Write a program to read the base and the hypotenuse of an isosceles triangle and calculate the height and the area of the triangle.
In the picture above a is the base, b is the hypotenuse, and h is the height.
The formulas are:
where A is the area.
https://mathworld.wolfram.com/IsoscelesTriangle.html
Write a single function isoscelesTriangleHeightAndArea (base, hypotenuse, height, area) that calculates both the height and area of an isosceles triangle given its base length and hypotenuse length.
There must be no other function in the program beside isoscelesTriangleHeightAndArea() and main()
The function isoscelesTriangleHeightAndArea (base, hypotenuse, height, area) has EXACTLY FOUR PARAMETERS.
-Input parameters to the functions are the base and hypotenuse of the triangle. Function cannot modify the input parameters.
-Output parameters of the function are the area and height of the triangle. Function must calculate and modify these 2 parameters.
-Function must have a boolean return (success or failure) to indicate whether the calculation is successful or not.
-This function returns true if both base and hypotenuse are not negative (0 base is valid).
There is also a validation rule that the following expression cannot be negative to avoid calculation of square root of a negative number.
If validation fails then the function returns false and skips all calculations.
-The function isoscelesTriangleHeightAndArea() should Not use any "cin" or "cout". Only the main() function will contain "cin" and "cout".
-The main() function calls the function in a loop until the user enters 0 0. These are the "Sentinel" values that stop the loop (chapter 5). If only one input is 0 and the other input is positive, the loop will keep going.
-Use variable name base and hypotenus, not a and b.
The following is a basic simple code without loop to test your function:
#include
#include
// Function prototype
// —-----------
int main()
{
double base = 2.5, hypotenuse = 3, height, area;
bool success = isoscelesTriangleHeightAndArea(base, hypotenuse, height, area);
if (success)
{
cout << "Triangle height is " << height << endl;
cout << "Triangle area is " << area << endl;
}
else
cout << "Invalid Input!" << endl;
// Expected output is:
// Triangle height is 2.72718
// Triangle area is 3.40897
}
Output is:
Triangle height is 2.72718
Triangle area is 3.40897
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It is not required that you have to copy and paste the above code to your code for submission. But the code gives you an excellent guide of how to write the function prototype so that the test code above works correctly.
If your function code does not work with the above given main() code, your score will be very low because the function is incorrect.
The result of the function call is used in main() to decide what to display for the output: if the return value is true then it means the calculation result is stored in area and height, and if false it means that the input parameters base and hypotenuse are invalid.
After using the simple test code above, write code in main() to accept multiple base and hypotenuse inputs and display the results by writing a Sentinel loop (chapter 5, lecture 5/23/22) that runs until the user enters 0 and 0 for the 2 inputs.
Note:
Do not use an infinite loop as a sentinel loop.
Do not use "break" statements.
A good sentinel loop does not use an extra "if" statement inside loop to check for the sentinel value 0 and 0.
If the sentinel loop is correct, the function is NOT called when input is 0 and 0 because these values will make the loop stop.
There is no need to control the number of decimal digits in the results
The output text and results should be aligned nicely as seen in the following samples.
Write the function prototype before main() and write the full function definition after main().
Output samples
Answers
The program is an illustration of C++ functions;
Functions are program statements that are executed when evoked
The C++ programThe program in C++, where comments are used to explain each action is as follows:
#include <iostream>
#include <cmath>
using namespace std;
//This defines the boolean method
bool isoscelesTriangleHeightAndArea(double base, double hypotenuse, double height, double area) {
//This checks for invalid base and height
if(base < 0 || hypotenuse < 0){
return false;
}
//This returns true if base and height are valid
return true;
}
//The main begins here
int main(){
//This initializes the variables
double base, hypotenuse, height, area;
//This gets input for base and hypotenuse
cout<<"Base: "; cin>>base;
cout<<"Hypotenuse: "; cin>>hypotenuse;
//The calls the boolean method
bool success = isoscelesTriangleHeightAndArea(base, hypotenuse, height, area);
//If success is True
while (success){
//This calculates height
height = sqrt(hypotenuse*hypotenuse - (base/2) * (base/2));
//This calculates area
area = 0.5 * base * height;
//This prints height
cout << "Triangle height is " << height << endl;
//This prints area
cout << "Triangle area is " << area << endl;
//This gets input for base and hypotenuse
cout<<"Base: "; cin>>base;
cout<<"Hypotenuse: "; cin>>hypotenuse;
bool success = isoscelesTriangleHeightAndArea(base, hypotenuse, height, area);
}
cout << "Invalid Input!" << endl;
}
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Related Questions
When performing plasma-arc cutting near a battery, the operator should remove the battery to prevent
Answers
Answer: sparks and/or electrical currents
Explanation:
A triangular plate with a base 5 ft and altitude 3 ft is submerged vertically in water. If the base is in the surface of water, find the force against onr side of the plate. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Recall that the weight density of water is 62.5 lb/ft3.)
Answers
Answer:
Hydrostatic force = 41168 N
Explanation:
Complete question
A triangular plate with a base 5 ft and altitude 3 ft is submerged vertically in water so that the top is 4 ft below the surface. If the base is in the surface of water, find the force against onr side of the plate. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Recall that the weight density of water is 62.5 lb/ft3.)
Let "x" be the side length submerged in water.
Then
w(x)/base = (4+3-x)/altitude
w(x)/5 = (4+3-x)/3
w(x) = 5* (7-x)/3
Hydrostatic force = 62.5 integration of x * 4 * (10-x)/3 with limits from 4 to 7
HF = integration of 40x - 4x^2/3
HF = 20x^2 - 4x^3/9 with limit 4 to 7
HF = (20*7^2 - 4*7^(3/9))- (20*4^2 - 4*4^(3/9))
HF = 658.69 N *62.5 = 41168 N
.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.
Answers
Explanation:
rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
We have a credit charge that is trying to process but we do not remember signing up and email login is not working? Is there a way to check?
Answers
Answer:
Yes
Explanation:
In such a case, one way to check the credit charge is to contact your bank, doing so would allow the bank to check your account properly to determine where the transaction was originated from.
Another way you could check is to contact the online merchant where such a transaction was initiated.
cintormation What are the steps the computer follows to process data?
Answers
The process of data processing by a computer involves several steps that take place in a specific order. The first step is inputting the data into the computer system. This can be done through various devices such as keyboards, scanners, or touchscreens. Once the data is entered into the computer, it is stored in the memory for further processing.
The second step is processing the data. This involves the use of the central processing unit (CPU) which performs mathematical and logical operations on the data. The CPU retrieves the instructions from the memory and executes them, which results in the desired output.
The third step is storing the output data. Once the CPU has processed the data, the result is stored in the memory. The output can be in various forms such as text, images, or sound.
The fourth step is displaying the output. The output is displayed on the screen, printer, or other output devices depending on the nature of the data and the desired format.
Finally, the last step is transmitting the output. If the output is required to be sent to another system or device, it is transmitted using various modes such as email, internet, or other networks.
Overall, these steps are followed in a sequential order to ensure efficient and accurate data processing by the computer. The speed and accuracy of the process depend on the hardware and software components of the computer system, as well as the complexity of the data being processed.
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Consider the function represented by the equation x – y = 3. What is the equation written in function notation, with x as the independent variable?
Answers
Answer:
f(x) = x -3
Explanation:
Solve for y, then replace y by f(x).
x - y = 3
x - 3 = y . . . . . add y-3 to both sides
f(x) = x -3
Answer:
(x) = x – 3
Explanation:
edge
A well-hydrated human body is made up of about _______ percent water.
Answers
Answer:
70%
Explanation:
70%
Explanation:
A well-hydrated human body is made up of about 70% water :)
Hope that helps
Which of the following plans has the longest planning horizon and the least level of detail? a. strategic business plan b. production plan c. master production schedule d. all of the above have the same level of detail e. none of the above
Answers
The plan with the longest planning horizon and the least level of detail is the strategic business plan. This plan typically covers a period of 3 to 5 years and outlines the overall goals, objectives, and strategies of the organization. It is a high-level plan that provides a broad overview of the company's direction, but does not provide specific details on how each goal will be achieved.
On the other hand, the production plan and master production schedule (MPS) have shorter planning horizons and greater levels of detail. The production plan typically covers a period of 6 to 18 months and outlines the specific production goals and strategies for each product line or manufacturing facility. The MPS, which is a component of the production plan, provides a detailed schedule for each production line or work center, outlining the specific production quantities and timings.
The strategic business plan has the longest planning horizon and the least level of detail, while the production plan and MPS have shorter planning horizons and greater levels of detail. Option (d) and (e) are not correct, as each plan has a different planning horizon and level of detail.
Therefore, option (a) is the correct answer to this question.
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A liquid of specific heat 3000J/kgk rise from 15°c to 65°c in 1 min when an electric heater is used. If the heater generate 63000J, calculate the mass of the water
Answers
Answer:
0.42 kg
Explanation:
Heat is proportional to mass by way of the conversion factor that is the inverse of the specific heat.
\(\dfrac{63000\text{ J}}{\dfrac{3000\text{ J}}{\text{kg$\cdot$K}}\cdot(65-15)\text{ K}}=0.42\text{ kg}\)
The mass of the liquid is about 0.42 kg.
What is the critical buckling load (in kip) of a w8x24 column section (l=14 ft.)? e=29,000ksi. the yield stress is 50ksi.
Answers
The critical buckling load of the W8x24 column section is approximately 88.48 kip. To calculate the critical buckling load of a column section, we can use Euler's buckling formula.
Euler's formula provides an estimate of the critical load at which a column will buckle under an axial compressive load.
Euler's buckling formula is given by:
P_critical = (π^2 * E * I) / (l_effective)^2
Where:
P_critical is the critical buckling load
E is the modulus of elasticity of the material
I is the moment of inertia of the column section
l_effective is the effective length of the column
In this case, we have the following information:
Column section: W8x24
Length (l): 14 ft. (converted to inches: l = 14 * 12 = 168 inches)
Modulus of elasticity (E): 29,000 ksi
Yield stress: 50 ksi
To calculate the moment of inertia (I) for the W8x24 section, we can refer to standard reference tables or use the following data:
I = (b * h^3) / 12
Where:
b is the width of the section
h is the height of the section
For the W8x24 section, the dimensions are as follows:
b = 8 inches
h = 7.99 inches
Plugging in these values, we can calculate the moment of inertia:
I = (8 * 7.99^3) / 12 = 256.67 in^4
Now, we can calculate the effective length (l_effective) of the column. The effective length depends on the support conditions of the column. For simplicity, let's assume it is a pin-ended column, where the effective length is equal to the actual length (l).
l_effective = l = 168 inches
Finally, we can calculate the critical buckling load (P_critical) using Euler's buckling formula:
P_critical = (π^2 * E * I) / (l_effective)^2
= (π^2 * 29000 * 256.67) / (168^2)
≈ 88.48 kip
Therefore, the critical buckling load of the W8x24 column section is approximately 88.48 kip.
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determine the number of flipflops required to build a binary counter that count from 0 to 2043
Answers
Answer:
10 flip -flops are required to build a binary counter circuit to count to from 0 to 1023 .
Explanation:
Generators must be oversized when supplying ________ loads to reduce heating and voltage waveform distortion
Answers
Generators must be oversized when supplying non-linear loads to reduce heating and voltage waveform distortion.An oversized generator is an electrical generator that is larger than the anticipated electrical load.
The need for an oversized generator may arise if the original electrical load changes, if the system's future expansion is expected, or if the generator must run at low loads.Overloading a generator can result in system overloads, poor power quality, and device failures.
When a generator is oversized, its electrical power output capability is greater than the load that it will supply, and it will not be loaded to its full potential.
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7.124 the cylindrical tank ab has an 8-in. inner diameter and a 0.32-in. wall thickness. it is fitted with a collar by which a 9-kip force is applied at d in the horizontal direction. knowing that the gage pressure inside the tank is 600 psi, determine the maximum normal stress and the maximum shearing stress at point k
Answers
No, generally it is not. It could be zero for specific loading conditions. Since they are equal but with opposite signs then their average is zero.
For example, if you put a stress element under tension in the x direction and compress it in the y direction with equal stresses such as sigma_x=sigma_y, this will give you a stress element if rotated by 45 degrees will give you the maximum shear planes with zero normal stresses. So generally that's not the case. The general case is that you will get the average normal stress when you get the maximum shear stress. In the example I mentioned before if we consider the compression and tension natures of the stresses, we assumed then sigma_y should be negative because it's compression and sigma_x is positive because it's tension.
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Installation a2 An insulated rigid tank initially contains 1.4-kg saturated liquid
water and water vapor at 200°C. At this state, 25 percent of the
volume is occupied by liquid water and the rest by vapor. Now an
electric resistor placed in the tank is turned on, and the tank is
observed to contain saturated water vapor after 20 min. Determine
(a) the volume of the tank, (b) the final temperature, and (c) the
electric power rating of the resistor
nd demo of reaper in Mahindra Yuvo 575 DI tractor
Answers
Answer:
Explanation:
It appears that you are trying to solve a problem involving an insulated rigid tank containing saturated liquid water and water vapor. To determine the volume of the tank, you will need to know the mass of the liquid water and the mass of the water vapor. The mass of the liquid water can be calculated by multiplying the mass of the water and vapor mixture by the fraction of the mixture that is liquid water (1.4 kg * 0.25 = 0.35 kg). The mass of the water vapor can be calculated by subtracting the mass of the liquid water from the total mass of the mixture (1.4 kg - 0.35 kg = 1.05 kg).
To determine the final temperature of the tank, you will need to know the amount of heat added to the tank by the electric resistor and the specific heat capacity of the water and water vapor mixture. The specific heat capacity is a measure of the amount of heat required to raise the temperature of a substance by a certain amount. The specific heat capacity of water is 4.186 J/g°C, and the specific heat capacity of water vapor is 2.080 J/g°C.
To determine the electric power rating of the resistor, you will need to know the amount of heat added to the tank by the resistor and the time over which the heat was added. The power rating of the resistor is equal to the amount of heat added to the tank divided by the time over which the heat was added.
I hope this helps clarify the problem and provide some guidance on how to solve it. If you have any further questions or need additional help, please don't hesitate to ask.
Technician A states that about 33% of the heat energy created is wasted by being dumped straight out
of the exhaust to the atmosphere. Technician B states that 33% is wasted by internal friction and from
radiating off hot engine components straight to the atmosphere. Who is correct?
Select one:
A. Technician A
B. Technician B
C. Both A and B
D. Neither Anor B
Answers
Heat energy is the known to be a product of the movement of tiny particles called atoms, molecules or ions. The true statement is by Technician A.
Internal combustion engine is dependent on the heat of combustion so as to make torque to move the vehicle and power the system.
A lot of heat made during combustion is not often used productively and therefore need to be removed to avoid overheating of the engine.
The heat energy that is not used for is wasted in three ways: They are:
About 33% is wasted by being dumped straight out of the exhaust to the atmosphere. About 33% is wasted by the cooling system, which prevents overheating of the engine components. About 5% is wasted by internal friction and from radiating off of hot engine components straight to the atmosphere.Learn more from
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what's the best way to plan an organized
Answers
Answer:
Get ready and comfortable.
List all of the tasks you need to accomplish over the next week. .
Next schedule everything.
Get a planner/calender.
Cut those tasks that do not fit into your
In what way is a parallel circuit different from a series circuit?
Answers
Legal metrology would protect consumers from businesses that do not take measurements according to defined measuring regulations.
Answers
From what my research concluded, true
Za answa iz:
True
Twust meh
the proper way to unplug a cord is to pull on the plug and not the cord. true or false
Answers
The proper way to unplug a cord is to pull on the plug and not the cord is true.
What is plug?
Plug is a term used to describe an electrical connection or device that is used to connect two or more electrical components. It is a component that is designed to be connected to a receptacle or an electrical outlet. Plugs can come in different shapes, sizes and configurations and can be used to connect a wide variety of electrical devices. Plugs are used in a variety of applications, from everyday household items to complex industrial machinery. Plugs are used to enable the transfer of energy from one device to another. They provide a safe and easy way to connect electrical devices and components. Plugs provide a secure connection that prevents short circuits and other electrical hazards.
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Geothermal power plants tap into groundwater that has been superheated by chambers of _______ that are located close to the Earth's surface.
Select one:
a. Oil and natural gas
b. Geysers and hot springs
c. Nitrogen
d. Magma
Answers
Geothermal power plants tap into groundwater that has been superheated by chambers of magma that are located close to the Earth's surface. In geothermal power plants, superheated water from underground reservoirs is used to create steam, which is then used to power turbines to generate electricity.
Geothermal energy is a renewable energy source that is considered to be one of the cleanest and most efficient sources of power. Geothermal power plants are usually located near areas with high levels of geothermal activity, such as hot springs and geysers. The geothermal water is heated by magma chambers that are located close to the Earth's surface, and the heat is transferred to the water through a process known as convection.The superheated water is then pumped to the surface and used to create steam, which is used to generate electricity.
The steam is usually fed into a turbine, which is connected to a generator that produces electricity. The electricity is then transmitted to the power grid and distributed to homes and businesses.It is a renewable resource, which means that it will not run out, and it is also very efficient. Geothermal power plants can operate 24 hours a day, seven days a week, and they do not produce any emissions or pollutants. However, there are some limitations to geothermal power, such as the fact that it can only be used in areas with high levels of geothermal activity, and that it is not always cost-effective to build geothermal power plants in these areas.
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Tengo un problema con steam y es que sale como que no he comprado un juego pero en realidad si lo he comprado pero por una pagina alterna pero no me lo detecta que hago?
Answers
Answer:
Cómo forzar a Steam a reconocer los juegos instalados.
1) Vuelva a instalar los juegos sin descargar.
2) Agregue la carpeta Steam Library manualmente.
3) Reconocer juegos de una nueva unidad
4) Utilizar .acf Cache para forzar el reconocimiento de juegos de Steam .acf Cache para forzar el reconocimiento de juegos de Steam.
Explanation:
1) Vuelva a instalar los juegos sin descargar.
- Inicia Steam y ve a Juegos.
- Seleccione y haga clic en instalar para el juego que Steam no pudo reconocer.
- Steam comenzará a descubrir los archivos existentes para el juego.
2) Agregue la carpeta Steam Library manualmente.
- Lanzar Steam.
- Haga clic en Steam y seleccione Configuración.
- Haz clic en la pestaña Descargas.
- Haga clic en las carpetas de la biblioteca de Steam.
- En la ventana emergente, haz clic en Agregar carpeta de biblioteca y selecciona la ubicación donde se guardan todos los datos de tu juego Steam.
- Haga clic en Seleccionar y cerrar la configuración de Steam.
- Salga de la aplicación Steam y reinicie Steam.
- Steam ahora debería reconocer los juegos instalados nuevamente y enumerarlos en la carpeta de juegos.
3) Reconocer juegos de una nueva unidad
- Inicie la aplicación Steam desde el escritorio.
- Haz clic en Steam y selecciona Configuración.
- Haz clic en la pestaña Descargas.
- Haga clic en la carpeta de la biblioteca de Steam en la sección Bibliotecas de contenido.
- Haga clic en Agregar carpeta de biblioteca y navegue a la ubicación donde se mueven sus juegos (nuevo directorio) que es D: / games / your_subdirectory.
- Haga clic en Seleccionar y cerrar para guardar la carpeta de la biblioteca.
- Salga de Steam y reinícielo.
Steam escaneará la carpeta Biblioteca recientemente seleccionada y mostrará todos los juegos instalados.
4) Utilizar .acf Cache para forzar el reconocimiento de juegos de Steam .acf Cache para forzar el reconocimiento de juegos de Steam.
- Asegúrese de haber reinstalado Steam o tener la instalación existente.
- Mueva los datos del juego a C: >> Archivos de programa (x86) >> Steam >> carpeta Steamapps.
- Lanzar Steam.
- En este punto, Steam puede mostrar algunos juegos que están instalados correctamente.
- Para los juegos que se muestran como no instalados, seleccione y haga clic en el botón Instalar.
- Steam comenzará a descubrir todos los archivos existentes.
- Sin embargo, si Steam no reconoce los archivos existentes, comenzará a descargar los archivos y el progreso leerá 0%.
- Pausa la actualización de los juegos y sal de Steam. Vaya a C: >> Archivos de programa (x86) >> Steam >> Steamapps y encuentre todos los archivos .acf actuales.
¡¡¡Espero que esto ayude!!!
A continuous and aligned hybrid composite consists of aramid and glass fibers embedded within a polymer resin matrix. Compute the longitudinal modulus of elasticity of this material if the respective volume fractions of the aramid and glass fibers are 0.24 and 0.28, given the following data:
Material Modulus of Elasticity (GPa)
Polyester 2.5
Aramid fibers 131
Glass fibers 72.5
(A) 5.06 GPa
(B) 32.6 GPa
(C) 52.9 GPa
(D) 131 GPa
Answers
Answer:
probably b but not sure
Explanation:
The longitudinal modulus of elasticity of this material if the respective volume fractions of the aramid and glass fibers are 0.24 and 0.28, given the following data is 32.6 GPa.
What is elasticity?Elasticity is defined as after the forces producing the deformation are eliminated, a material body that has been distorted has the ability to revert to its original size and shape. Metals' atomic lattices undergo size and form changes when forces are applied. When forces are removed, the lattice returns to its initial, lower energy condition. Rubbers and other polymers are elastic because stretching of polymer chains occurs when forces are applied.
Longitudinal modulus are defined as the proportion of a material's length change caused by applied force to its initial length. Young's modulus is a measurement of a material's capacity to endure changes in length when subjected to compression or tension along its length.
Thus, the longitudinal modulus of elasticity of this material if the respective volume fractions of the aramid and glass fibers are 0.24 and 0.28, given the following data is 32.6 GPa.
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All of these are part of the seat belt assembly EXCEPT the:
O latch plate
O D-ring
O retractor.
O cushion
Answers
Explanation: All parts going together to form a seat belt except the cushion
this type of ram comes in 168-pin packages. it uses two notches to help guide the installation of the module: one near the center, and the other near an end. it was the first type of dimm technology commercially available for pcs and usually has a speed rating of pc100 or pc133
Answers
This type of RAM is known as a 168-pin SDRAM (Synchronous Dynamic Random Access Memory) module. It is the first type of DIMM technology that was commercially available for PCs and usually has a speed rating of PC100 or PC133.
It uses two notches to help guide the installation of the module, one near the center, and the other near an end. The notches are designed to ensure that the module is correctly oriented in the memory slot, and can help prevent damage to the RAM module and the motherboard.
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A bolt listed as 2" × 1/4" NC-20 has a length of what quot
Answers
The length of the bolt is 2 inches. The typical measurement for a bolt is 2 inches long by 1/4 inch wide and NC-20 in metric.
The length of the bolt is still up for debate.
How do you define length?The word "length" refers to the measurement of a thing that establishes how much more extensive that object is.
Here, the Standard form of the bolt is specified i.e. 2" × 1/4" NC-20.
Where "2" stands for the bolt's length, "1/4" for its diameter, and "20" for the number of threads per inch on its pitch.
As a result, the total length of the bolt is two inches.
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The systems development life cycle (SDLC) is the traditional process used to develop information systems and applications. The SDLC development process is sequential. Scrum is a new development process that was created, in part, to overcome the problems that occur when using the SDLC. Scrum is an agile development process that is iterative and incremental.
Assume you run a library. The collection of books varies from fiction, non-fiction, children's, self-help, and so on. You want to develop a mobile application so that your customers can reserve the books they want to borrow in advance.
In an essay, compare and contrast the use of the SDLC and Scrum for developing your application. Recommend one of these two processes and justify your recommendation.
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Project management and development methods for a mobile application for a library are presented using the Systems Development Life Cycle (SDLC) and Scrum, respectively.
The SDLC contains several phases including requirements gathering, design, development, testing, and implementation that are all followed in a systematic and structured manner. Scrum, on the other hand, is an incremental and iterative agile development methodology that places a strong emphasis on adaptability and teamwork.I would advise employing Scrum rather than the SDLC for the library's mobile application development project. Scrum has a number of benefits in this situation. First off, Scrum's iterative and incremental structure promotes regular feedback and adaptation, both of which are essential when creating a customer-focused application. The library can solicit ongoing feedback from users and other stakeholders and make
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4. 7 Problems in this exercise assume that the logic blocks used to implement a processor's datapath have the following latencies: Mom/ Register D. Mom File 250ps 150 ps ALU Adder 25ps 200 ps 150ps Single Register Register gate Read Setup 5ps 30ps 20ps Sign extend Control 50ps 50ps "Register read" is the time needed after the rising clock edge for the new register value to appear on the output. This value applies to the PC only. "Register setup" is the amount of time a register's data input must be stable before the rising edge of the clock. This value applies to both the PC and Register File. 4. 7. 1 (5) <$4. 4> What is the latency of an R-type instruction (1. E. , how long must the clock period be to ensure that this instruction works correctly)? 4. 7. 2 [10] <$4. 4> What is the latency of ld? (Check your answer carefully. Many students place extra muxes on the critical path. ) 4. 7. 3 [10] <$4. 4> What is the latency of sd? (Check your answer carefully. Many students place extra muxes on the critical path. ) 4. 7. 4 (5) <84. 4> What is the latency of beq? 4. 7. 5 (5) <$4. 4> What is the latency of an I-type instruction? 4. 7. 6 (5) <$4. 4> What is the minimum clock period for this CPU?
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The minimum clock period for this CPU should be at least 345 ps.
To determine the latencies and clock period requirements for different instructions in the given exercise, we will consider the provided values for the logic block latencies.
4.7.1:
The latency of an R-type instruction refers to the time required for the instruction to complete its execution. In this case, the R-type instruction consists of register read, ALU operation, and register write. From the given values, we can determine the total latency by summing the latencies of the logic blocks involved:
Latency = Register Read + ALU Adder + Register Write
Latency = 150 ps + 25 ps + 150 ps
Latency = 325 ps
Therefore, the clock period should be at least 325 ps to ensure the correct execution of an R-type instruction.
4.7.2:
The latency of ld (load) instruction represents the time required to complete the load operation, which involves register read, sign extension, ALU operation, and register write. Adding up the latencies of the involved logic blocks:
Latency = Register Read + Sign Extend + ALU Adder + Register Write
Latency = 150 ps + 20 ps + 25 ps + 150 ps
Latency = 345 ps
Thus, the clock period should be at least 345 ps for the correct execution of the ld instruction.
4.7.3:
Similar to the ld instruction, the sd (store) instruction involves register read, sign extension, ALU operation, and register write. Adding up the latencies:
Latency = Register Read + Sign Extend + ALU Adder + Register Write
Latency = 150 ps + 20 ps + 25 ps + 150 ps
Latency = 345 ps
The clock period should be at least 345 ps for the correct execution of the sd instruction.
4.7.4:
The latency of beq (branch equal) instruction involves register read, ALU operation, and control logic. Summing up the latencies:
Latency = Register Read + ALU Adder + Control
Latency = 150 ps + 25 ps + 50 ps
Latency = 225 ps
A clock period of at least 225 ps is required for the correct execution of the beq instruction.
4.7.5:
The I-type instruction refers to the load and store instructions (ld and sd). Since we have already determined their latencies in previous questions:
I-type Instruction Latency = Latency of ld or sd = 345 ps
4.7.6:
The minimum clock period for this CPU would be equal to the highest latency among all the instructions. From the previous calculations, the highest latency is 345 ps.
Therefore, the minimum clock period for this CPU should be at least 345 ps.
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who ever answers this gets 25 NON COSTLY points
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Answer:
"cool"
Explanation:
Advantages top-down design
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Answer:
The following are some advantages of a Top-down design approach:
1. Separating a problem into more smaller parts causes it to be far more simpler and easier to tackle and manage.
2. Top down design permits programmers or groups to work on a similar projects without getting in one another's way.
3. Every module of code to be tested independently.
4. Top-down plan permits the systems analyst to analyze the general organizational objectives first.
5. The top-down design likewise gives attractive accentuation on collaboration or the interfaces that systems and their subsystems require.
6. Top-down design allows system analyst to work in parallel on different sub-systems which can save a lot of time.
Explanation:
Most systems comprise of progressively more modest and more modest sub-systems.
Top down design is the name given to separating an issue into progressively smaller and more smaller sensible parts (otherwise called decomposition).
A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes through the center of gravity of the box. The box is 5m wide x 5m tall, and the coefficient of static friction between the box and the surface is u=0.15. Determine the smallest magnitude of the force P that will cause the box to slip or tip first. Specify what will happen first, slipping or tipping.
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Answer:
SECTION LEARNING OBJECTIVES
By the end of this section, you will be able to do the following:
Distinguish between static friction and kinetic friction
Solve problems involving inclined planes
Section Key Terms
kinetic friction static friction
Static Friction and Kinetic Friction
Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.
There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.
Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.
Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.