Explain the history of computing device of mechanical era
Answers
The history of computing devices in the mechanical era began with the invention of the abacus in ancient times, which was used for simple calculations. It was later followed by devices like the slide rule and mechanical calculators in the 17th and 18th centuries, which could perform more complex calculations using gears, levers, and other mechanical components. These early computing devices paved the way for the development of modern computers in the electronic era.
Explanation:
The mechanical era of computing devices refers to the time period between the mid-19th century and early 20th century when mechanical calculators and adding machines were developed.
During the mechanical era, computing devices were based on mechanical principles and were designed to perform specific tasks such as addition, subtraction, multiplication, and division. The first mechanical calculator was developed by French mathematician Blaise Pascal in 1642, but it was not until the mid-19th century that mechanical calculators and adding machines became more widespread and sophisticated.
One of the most significant developments during this era was the invention of the Analytical Engine by Charles Babbage in the mid-1800s. The Analytical Engine was an early form of computer that used punched cards to store information and was capable of performing complex mathematical calculations.
Other notable devices developed during this time included the Comptometer, invented by Dorr E. Felt in 1887, and the Millionaire calculator, developed by Otto Steiger in 1893. These machines were widely used in businesses and government offices, and helped to automate many repetitive tasks.
Overall, the mechanical era of computing devices laid the foundation for the development of more advanced and sophisticated computing technology in the 20th century.
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Related Questions
A pizza delivery restaurant decides to stop hiring drivers and start hiring cyclers to deliver its pizza. The restaurant thinks this will cut costs because it will not have to pay for gas. This is an example of which of the following supply chain management drivers?
A. information
B. facilities
C. transportation
D. inventory
Answers
Answer:
C. i think im sorry if im wrong plz forgive
Even or Odd Tuple: Create a program that takes a tuple of integers as input and returns a new tuple containing the numbers that are even or odd.
Your program should:
- Ask the user for a comma-separated list of integers.
- Your program should create a tuple from the list of integers.
- Define a function that takes the tuple as input and returns a new tuple containing the even or odd numbers.
- Ask the user to filter for odd or even numbers.
- If even, display True.
- If odd, display False.
- Display the resulting tuple.
Could someone help me with this?
This is a python exercise by the way!!!
Answers
Sure! Here's a Python program that satisfies the requirements:
# Ask user for comma-separated list of integers
input_str = input("Enter a comma-separated list of integers: ")
# Convert input string to tuple of integers
int_tuple = tuple(map(int, input_str.split(",")))
# Define function to filter even or odd numbers
def filter_even_odd(num_tuple, is_even):
if is_even:
return tuple(filter(lambda x: x % 2 == 0, num_tuple))
else:
return tuple(filter(lambda x: x % 2 != 0, num_tuple))
# Ask user to filter for even or odd numbers
even_or_odd = input("Do you want to filter for even or odd numbers? (enter 'even' or 'odd'): ")
# Filter tuple for even or odd numbers
if even_or_odd.lower() == "even":
result_tuple = filter_even_odd(int_tuple, True)
print(True)
else:
result_tuple = filter_even_odd(int_tuple, False)
print(False)
Here's an example output:
# Display resulting tuple
print(result_tuple)Enter a comma-separated list of integers: 1,2,3,4,5,6,7,8,9
Do you want to filter for even or odd numbers? (enter 'even' or 'odd'): even
True
(2, 4, 6, 8)
In this example, the user enters a comma-separated list of integers, and the program converts it into a tuple of integers. Then, the program defines a function that filters even or odd numbers from a given tuple. The user is prompted to filter for even or odd numbers, and the program calls the function accordingly. Finally, the program displays the resulting tuple.
A digital footprint is all of the information on-line about a person posted by that person or others, ____________. intentionally or unintentionally unintentionally or accidentally intentionally recklessly
Answers
Answer:
intentionally or unintentionally
Explanation:
help pls I will mark brainliest the top answer i need it rn
Nonsense = REPORT
Answer the question 3-5 sentences.
"Why is recycling very important and beneficial to you and your community?"
Answers
Answer:
to reduce outbreak of diseases
Explanation:
materials recycled, funds earned from it are used developmental projects in my community
which two types of service accounts must you use to set up event subscriptions? answer local event administrators account collector computer account specific user service account default machine account network server machine account
Answers
The two types of service accounts must you use to set up event subscriptions are specific user service account and default machine account. The correct options are C and D.
What is service account?A special kind of account renowned a "service account" is designed to represent a machine-based user who has to authenticate and be given permission to access data in APIs.
Service accounts are frequently employed in situations like: Executing workloads on virtual machines.
The service account serves as the application's identity, and the responsibilities assigned to it regulate which resources the programme can access. Other procedures exist for service account authentication.
Specific user service accounts and default machine accounts are the two types of service accounts that you must employ to configure event subscriptions.
Thus, C and D are the correct options.
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Which type of basic building blocks (constructs) is the following algorithm?
A.Sequence
B.Selection
C.Iteration
D.Iteration and Sequence
Answers
The type of basic building blocks (constructs) used in the above algorithm is: A. Sequence.
An algorithm can be defined as a standard formula (procedures) which comprises a set of finite steps or instructions, that is typically used for solving a problem on a computer.
Basically, there are three (3) basic building blocks (constructs) used in an algorithm and these include:
I. Iteration.
II. Sequence.
III. Selection.
Selection is a building block (construct) that is used to determine the set of instruction or step to execute in a program based on a Boolean expression such as:
True or False.Yes or NO.If the conditional test (grade > 50) is True (Yes), a part of the program is executed, which is to output a "Pass."
Otherwise, the program would execute and output a "Fail" i.e the conditional test (grade > 50) is False (No).
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Flight tracker assignment 9 on project stem answer
Answers
Answer:
ExplanaPls answer this
do atleast 3 paragraphs
thanks so much
worth 100 pointstion:
The calendar is a system used to organize and keep track of time. It consists of a series of months, each with a specific number of days, and is used to mark important dates such as holidays and events.
What are the most common calender?The most commonly used calendar is the Gregorian calendar, which has 12 months, with a varying number of days in each month. To keep track of the year, the calendar also has a system of leap years to account for the extra time it takes for the Earth to orbit the sun.
The calendar has been used for centuries as a way to organize society and plan events. It is important for individuals to have an understanding of the calendar and how it works to effectively plan their lives and schedules.
With the advancement of technology, calendars have become digital and can be easily accessed through smartphones and other electronic devices. understanding the calendar is an important skill for individuals to have in order to effectively manage their time and plan for important events in their lives.
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Chose the devices you think you should use in order to…
Go to my friend’s house and watch some movies.
A. DVD
B.CD
C.Memory card
D. USB flash memory
Listen to music while I’m running..
A. DVD
B.CD
C.Memory card
D. USB flash memory
Save photos to my computer ..
A. DVD
B.CD
C.Memory card
D. USB flash memory
Answers
Answer:
I think it's B, D, C
Explanation:
Cd for movies
Usb for the phone music and
Memory card to be inserted into the computer
Answer:
USB flash memory is the answer of all these question.
Explanation:
USB flash memory is the answer of all these question because it is small in size so you can easily carry it anywhere in your pocket. Below is the photo of USB flash drive
The International Society of Forensic Computer Examiners (ISFCE) offers which certifications?a. Certified Computer Examiner (CCE)b. Master Certified Computer Examiner (MCCE)c. both a & bd. neither a nor b
Answers
a. Certified Computer Examiner (CCE) and b. Master Certified Computer Examiner (MCCE).Both certifications provide professionals with recognized credentials that can enhance their credibility and career opportunities in the field of forensic computer examination.
The International Society of Forensic Computer Examiners (ISFCE) offers two certifications: Certified Computer Examiner (CCE) and Master Certified Computer Examiner (MCCE) These certifications are designed to validate the knowledge and skills of individuals working in the field of forensic computer examination. The CCE certification is an entry-level certification that covers foundational concepts and techniques in computer forensics. It demonstrates the individual's competence in conducting basic computer examinations. On the other hand, the MCCE certification is an advanced level certification that recognizes individuals who have achieved a higher level of expertise in the field. It requires additional experience and knowledge beyond the CCE certification. Both certifications provide professionals with recognized credentials that can enhance their credibility and career opportunities in the field of forensic computer examination.
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How can you ensure you don't go over your budget?
Find a friend that enjoys going shopping
Round up your expense estimates to add a buffer
Use most of your budget for entertainment
expenses
Buy all of your wants at one time.
Answers
Answer:
second one
Explanation:
from the current view (layout view) move the premium label control and its bound control to the empty layout area directly to the right of the insurance provider controls in this form
Answers
From the current view, to move the premium label control, one should first click the Premium label control.
What is Premium label control?A control called a label simply serves to show text. By default, MS Access populates the Form Header area of the form with a label containing the table name.
The whole process is written below:
Click the Premium label control. Press Ctrl and click the bound control, displaying the premium value. Click and drag to move both controls down to the empty layout area to the right of the Insurance, Provider controls.Therefore, to move the premium label control from the current view, one must first click the control.
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how can i earn money?
Answers
Answer:
You could get a job.
Explanation:
I know that it is sometimes impossible to get a job, because you are unable to get to anywhere, maybe because your family does not own a car, and it is too far to walk, so you could ask your neighbors if they need anything done, and they might pay you. If these don't work, then you could see if you could get a friend to drive you, and get a job, and see if they will be your taxi, but you pay them money for gas.
Hope that helps.
Answer:
maybe babysit
Explanation:
i earned a lot of money
A measuring cylinder is used to measure the volume of an irregular
solid object.
Answers
Answer:
Yes it is used for measuring the volume of irregular solid objects for example a peice of stone, rubber etc.
Explanation:
Give five (5) tips on how to identify credible sources on the internet. (5pts)
Answers
1. Look for sources with authors or organizations that are experts in the field.
2. Check the source’s domain name.
3. Look for sources with a good reputation.
4. Check the source’s date of publication.
5. Look for sources with citations and references.
URGENT!!! DUE IN 5 MINUTES!!!!!
Why do we need things like sequence, selection, iteration, and variables. Why are they needed in Coding? Why are variables important?
Answers
Answer:
Sequencing is the sequential execution of operations, selection is the decision to execute one operation versus another operation (like a fork in the road), and iteration is repeating the same operations a certain number of times or until something is true.
Explanation:
fill in the blank figuring out what type of garden you want to grow is the ____step according to the instructions in how to grow a school garden
Answers
Answer:
First.
Explanation:
How to grow a school garden is an illustrative guide that explains to students the step by step process for growing a school garden.
According to the instructions in how to grow a school garden, the first and most important step is figuring out what type of garden you want to grow. At this step, a student should have a good understanding of the type of garden he or she wants to grow.
Thus, this step answers the question of "what am I growing in the garden?"
What is the purpose of a cell (battery) in a circuit?
Answers
Answer:
The role of a battery (or cell) in an electric circuit is to supply energy to the circuit by doing work upon the charge to move it from the low energy terminal to the high energy terminal.
Explanation:
Amazon.com purchases flat screen computer monitors from HP for $275.59 and sells them for $449.99. What is the amount of markup?
Answers
Answer: 82%
Explanation:
$ 449.99- $ 275.59= % 224.40
$ 224.40/ $ 275.59*100= 81.4253057078
Who are the stakeholders and their interests in your decision whether to knowingly download music off of the internet without permission and without paying a royalty in violation of copyright laws? (you need 6 stakeholders and their interests)
Answers
The stakeholders in unauthorized music downloads include musicians, labels, platforms, consumers, enforcement agencies, and ISPs.
What are the interests of key stakeholders in unauthorized music downloads?In the decision to engage in unauthorized music downloads, there are several stakeholders with distinct interests. Firstly, musicians and artists are directly impacted as their intellectual property is being infringed upon, leading to potential financial losses. They rely on royalties and sales of their music for income and recognition. Secondly, record labels, which invest in the creation and promotion of music, have a stake in protecting their artists' work and ensuring their own profitability.
Streaming platforms also have a significant interest as they operate within the legal framework and often have licensing agreements in place with copyright holders. Unauthorized downloads can undermine their business models and relationships with artists and record labels. Consumers, on the other hand, may be driven by the desire to access music conveniently and at no cost, which conflicts with the interests of other stakeholders.
Copyright enforcement agencies, such as copyright offices and legal organizations, aim to protect the rights of creators and ensure that copyright laws are upheld. Unauthorized downloads pose challenges to their efforts in safeguarding intellectual property rights. Lastly, internet service providers may have an interest in promoting lawful and responsible use of their networks, as they can face legal consequences or reputational damage if their networks are used for illegal activities like copyright infringement.
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Write a program that hardcodes a proposed password and checks that it is an acceptable password.
If the proposed password is acceptable password, the program writes a message "Password zzzzzzzzz is acceptable" and ends.
If it is not acceptable, it writes a message "Password is acceptable because it "
Where
is the password which was checked.
is one of:
"is not at least 7 characters long."
"does not contain both upper and lower case alphabetic characters."
"does not contain at least 1 digit."
is used if the PW is not acceptable, else the word not isn't printed.
"is an acceptable password."
Acceptable passwords:
are at least 7 characters long.
contain both upper and lower case alphabetic characters.
contain at least 1 digit.
The logic of this program can be quite tricky. Hint: use toUpperCase(), toLowerCase, and equals(). You will also need nested ifs.
Here some sample runs of the program; your output should look substantially the same:
C:\>java PasswordChecker
Enter your password:
snowflake
Password snowflake is not acceptable because it does not contain both upper and lower case alphabetic characters."
Enter your password:
SnowFlake
Answers
Using the knowledge in computational language in JAVA it is possible to write the code that write a program that hardcodes a proposed password and checks that it is an acceptable password.
Writting the code:
class InvalidPasswordException extends Exception {
int passwordConditionViolated = 0;
public InvalidPasswordException(int conditionViolated)
{
super("Invalid Password: ");
passwordConditionViolated = conditionViolated;
}
public String printMessage()
{
switch (passwordConditionViolated) {
case 1:
return ("Password length should be"
+ " between 8 to 15 characters");
case 2:
return ("Password should not"
+ " contain any space");
case 3:
return ("Password should contain"
+ " at least one digit(0-9)");
case 4:
return ("Password should contain at "
+ "least one special character");
case 5:
return ("Password should contain at"
+ " least one uppercase letter(A-Z)");
case 6:
return ("Password should contain at"
+ " least one lowercase letter(a-z)");
}
return ("");
}
}
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____ can help you determine whether a network is truly under attack or a user has inadvertently installed an untested patch or custom program.
Answers
Answer:
Network forensics
Explanation:
hide the most valuable data at the innermost part of the network.
After updating business information, what's next to click?
A. Close Tab
B. Update Publication
C. Delete
D. New
Answers
Answer:
B. i think????!!
Explanation:
i answer that.
if you wished to restrict clients from accessing certain urls on the internet, what network appliances might you use?
Answers
If you wished to restrict clients from accessing certain URLs on the internet, there are several network appliances that you can use. One of the most common network appliances used for this purpose is a firewall. Firewalls are used to block access to certain URLs or websites by examining the traffic coming in and out of a network and blocking traffic that is deemed to be a security risk.
Another network appliance that can be used to restrict access to certain URLs is a content filtering system. This system works by examining the content of the traffic and blocking any URLs or websites that contain content that is deemed inappropriate or a security risk.
Content filtering systems are commonly used by businesses to prevent employees from accessing non-work-related websites during work hours.In addition to firewalls and content filtering systems, there are also other network appliances that can be used to restrict access to certain URLs. These include intrusion detection and prevention systems, which monitor network traffic for suspicious activity and block access to URLs or websites that are known to be associated with malicious activity.
Overall, there are many different network appliances that can be used to restrict clients from accessing certain URLs on the internet. The choice of which appliance to use will depend on the specific needs and requirements of the organization or business that is implementing the restriction. Regardless of the network appliance used, it is important to ensure that the restriction is implemented in a way that is effective, secure, and does not negatively impact the user experience.
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owen works in a real-estate office. A contract needs to be signed but the client is out of town. What should Owen do?
Answers
Which of the following is true of a NOT truth table?
a. The statement will only be true if both statements are true.
b. In order for to be true, one or both of the original statements has to be true.
c. All of these answer choices are correct.
d. The statement that contradicts the first input value and has the opposite truth value or output.
Answers
A statement which is true of a NOT truth table is: D. The statement that contradicts the first input value and has the opposite truth value or output.
What is a truth table?A truth table can be defined as a mathematical table that comprise rows and columns, which is used in logic to show whether or not a compound ststement is true or false.
In Science, there are different types of truth table and these include the following:
AND truth tableOR truth tableNOT truth tableThis ultimately implies that, a statement that contradicts the first input value and it has the opposite truth value or output denotes a NOT truth table.
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How does a modem communicate with a server in the same continent (without underwater cables)?
Answers
Answer:
A modem is typically used to send digital data over a phone line. The sending modem modulates the data into a signal that is compatible with the phone line, and the receiving modem demodulates the signal back into digital data. Wireless modems convert digital data into radio signals and back.
Answer these questions: 1. Does technology need to be kept alive? 2. Should technology be kept alive? 3. Is technology important? 4. Do we need technology to live? 5. Could keeping technology alive be dangerous? 6. What is the point in technology? 7. Can keeping technology alive save us all one day?
Answers
Technology refers to the application of scientific knowledge, engineering principles, and practical skills to develop new tools, systems, or methods for solving problems, improving processes, or creating new products or services. It encompasses a wide range of fields, such as electronics, information technology, biotechnology, nanotechnology, robotics, and materials science, and has a significant impact on society, culture, and the economy.
1. Yes, technology needs to be kept alive because it is constantly evolving and improving. New innovations and developments are being made every day, and if technology is not kept up to date, it will become outdated and obsolete.
2. Absolutely, technology should be kept alive because it plays a crucial role in our lives. It has improved our communication, transportation, healthcare, education, and many other areas. Technology has made our lives easier, more convenient, and more efficient.
3. Technology is incredibly important because it has transformed our world and our way of life. It has allowed us to accomplish things that were once thought impossible and has made our lives better in countless ways.
4. While we could technically survive without technology, it would be very difficult. Many of the things we rely on for our daily lives, such as electricity, transportation, and communication, are powered by technology. Without it, our lives would be much more challenging.
5. Yes, there is a risk that keeping technology alive could be dangerous. For example, the development of artificial intelligence could have unintended consequences if it is not managed carefully. Additionally, technology can be used to harm others if it falls into the wrong hands.
6. The point of technology is to improve our lives and make things easier and more efficient. It allows us to accomplish tasks faster and more accurately, communicate with others from around the world, and access information and resources that were previously unavailable.
7. Yes, keeping technology alive could potentially save us all one day. For example, technology has the potential to help us solve some of the biggest challenges facing our world, such as climate change, poverty, and disease. By continuing to develop and improve technology, we can work towards a better future for all.
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Write a program in C++ to calculate product of digits of any number.
I NEED HELP FINISHING THIS!
Answers
The example of a program in C++ that calculates the product of the digits of any number is given below
What is the C++ programThe variable for the product is set to a value of 1 at the start. Within the while loop, the digit variable is assigned the value of the number's final digit, which is achieved by utilizing the modulus operator %. To update the product, the digit is multiplied with it.
Upon calling the calculateProductOfDigits function with the inputted number, the resultant product is saved into the product variable. Ultimately, the output appears on the console.
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Which option allows users to access the handout master to modify it?
Click Home and select the Handout Orientation tab in the ribbon.
Click View and select the Handout Master tab in the ribbon.
Click View and select the Slide Master tab in the ribbon.
Click Home and select the Slide Size tab in the ribbon.
Answers
Click View and select the Handout Master tab in the ribbon. The correct option is 2.
What is handout master?The handout master in PowerPoint is used to change the appearance of printed handouts in a presentation.
Click View and select the Handout Master tab in the ribbon. This opens the Handout Master view, where users can modify the layout, formatting, and content of the handouts that will be printed or distributed to the audience.
The Handout Master view differs from the Slide Master view in that it is used to change the overall design and layout of the presentation slides.
Thus, the correct option is 2.
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Your question seems incomplete, the probable complete question is:
Which option allows users to access the handout master to modify it?
Click Home and select the Handout Orientation tab in the ribbon.Click View and select the Handout Master tab in the ribbon.Click View and select the Slide Master tab in the ribbon.Click Home and select the Slide Size tab in the ribbon.Answer:
B: Click View and select the Handout Master tab in the ribbon.
Explanation:
took the test
What is the computer that is connected to a
server
Answers
Answer:
peripheral device network connection