Shell Script: Write a shell script that will count all the even numbers, and prime numbers found in a series of numbers that the user will specify. Your will ask the user to enter a lower bound and an upper bound, and then output the number of even numbers found. The formula for the number of possible Permutations of r objects from a set of n is usually written as nPr. Where nPr = n!/(n-r)!. Write a shell script program to implement the combination of Pr. You will ask the user to enter the values of both r and n and then print the value of nPr. a
Answers
Here's a shell script that will count all the even numbers and prime numbers found in a series of numbers specified by the user:
bash
#!/bin/bash
echo "Enter lower bound:"
read lower_bound
echo "Enter upper bound:"
read upper_bound
even_count=0
prime_count=0
for (( num=$lower_bound; num<=$upper_bound; num++ )); do
# Check if number is even
if (( $num % 2 == 0 )); then
even_count=$((even_count+1))
fi
# Check if number is prime
prime=true
for (( i=2; i<$num; i++ )); do
if (( $num % $i == 0 )); then
prime=false
break
fi
done
if $prime && (( $num > 1 )); then
prime_count=$((prime_count+1))
fi
done
echo "Number of even numbers found: $even_count"
echo "Number of prime numbers found: $prime_count"
And here's a shell script program to implement the combination of Pr, which takes user input values of r and n and prints the value of nPr:
bash
#!/bin/bash
echo "Enter value of r:"
read r
echo "Enter value of n:"
read n
nPr=$(echo "scale=0; factorial($n)/factorial($n-$r)" | bc -l)
echo "nPr = $nPr"
Note that the second script uses the bc command-line calculator to compute factorials. The scale=0 option sets the number of decimal places to zero, and the -l option loads the standard math library needed for the factorial() function.
Learn more about script here
https://brainly.com/question/28447571
#SPJ11
Related Questions
Aika has several labeled folders for different parts of his research. What is the MOST likely reason he does this? He wants to make sure that all of the topics are researched equally. He wants to avoid accidentally forgetting to research one of the topics. He wants to easily and quickly find specific bits of research that cover certain topics. He wants to make his research easier to read than it would otherwise be.
Answers
Answer:
He wants to easily and quickly find specific bits of research that cover certain topics.
Explanation:
Remember, a research work typically has these 6 (six) components:
The Abstract.IntroductionMethodologyResultsDiscussionReferences.Thus, Aika's decision to label several folders for different parts of his research would make it easier and quicker for him to find specific bits of research that cover certain topics, instead of spending time looking for topics.
what is the working principle of computer?
Answers
Answer:
input, process, output, storage
___ testing may begin before the program is 100% complete in order to test particular sections of code in a reply to discreet functions or modules
A. Dynamic.
B. Static.
C. Visual.
D. Gray-box.
Answers
Gray-box testing may begin before the program is 100% complete in order to test particular sections of code in a reply to discreet functions or modules. Hence option d is correct.
What is the testingGray-box experiment is a type of operating system experiment where the exploratory has prejudiced information of the within operation of the system being proven.
It connects ingredients of two together vital and static experiment approaches. In silver-box experiment, the exploratory has approach to some news about the within form or law of the spreadsheet but does not have full information or perceptibility into the exercise analyses.
Read more about Gray-box. testing here:
https://brainly.com/question/29590079
#SPJ1
1byte= ________ bits
1 nibble= __________ bits
1 MB= _________ bits
1PB= ____________ TB
1 ZB= ___________ EB
Answers
Explanation:
1 byte=8bits
1 nibble = 4bits
1MB= 8000000bits
1PB= 1000TB
1ZB= 1000000000000EB
Suppose you have a byte-addressable virtual address memory system with eight virtual pages of 64 bytes each, and four page frames. Assuming the following page table, answer the questions below:
Page Frame Valid BIT
0 1 1
1 3 0
2 - 0
3 0 1
4 2 1
5 - 0
6 - 0
7 - 0
How many bits are in a virtual address?
Answers
A byte-addressable virtual address memory system with eight virtual pages of 64 bytes each has a virtual address size of 6 bits.
In the provided memory system, the virtual address consists of two components: the virtual page number and the offset within the page.
Given that there are eight virtual pages, we require three bits to represent the virtual page number (\(2^3\) = 8). This means that three bits are needed to identify a specific virtual page.
Since each page has 64 bytes, we need six bits to represent the offset within each page (\(2^6\) = 64). The offset allows us to address individual bytes within a page.
Therefore, the virtual address in this memory system has a total of nine bits: three bits for the virtual page number and six bits for the offset.
Learn more about virtual address
brainly.com/question/31607332
#SPJ11
What does the program print out as a result of the given snippet of code?
supplies = ["pencil", "notebook", "backpack", "calculator", "pen"]
print(len(supplies))
5
8
[‘backpack’, ‘calculator’, ‘notebook’, ‘pen’, ‘pencil’]
[‘pencil’, ‘notebook’, ‘backpack’, ‘calculator’, ‘pen’]
Answers
Answer:
5
Explanation:
well the function len gives the length of the list
so the length of supplies is
5
Answer:
a
Explanation:
edge
help please!! worth 10 pts! answer quick please!
Answers
Answer:
it has helped the people of today by
1.helped the young generation with there homework
2.you can book an hotel through the internet
3.you can also book a plane ticket via the internet
4.it is easier to look to ur email message via the internet
Can Anybody Answer This For Me ?
Answers
Answer:
I'm pretty sure its 3 only (c) III only gimme brainliest
6. A small design agency you are consulting for will be creating client websites and wants to purchase a web server so they can host the sites themselves. How will you advise them on this purchase?
Answers
Answer:
Explanation:
The best way to advise the agency in this matter would be to help them completely understand the total cost of ownership of the server. This includes the server itself but many other factors as well. Such as any and all server software and application software that they will need, an IT server manager, facility costs, security costs, backup features. These are some of the main costs that they will be incurring but there may be more unforeseen costs. Therefore the best way to advise them is by providing all of this information so that they can make the most informed decision possible.
2) State True or False. 1. Abacus is an electronic device. 2. ROM is read and writes memory of computer. 3. Header and footer appear at the top and bottom of 4. The first microprocessor is INTEL 4004. 5. CTRL + A is used to print data in M.S. word. Answer the following questions:
Answers
Answer:
1 false
2 false
3 false
4 true
5 false
Explanation:
Answer:
False, True, True, True, False
Explanation:
1. False, it is a calculation device not electronic device.
2. True
3. True, Header appear at the top and Footer appear at the bottom.
4. True
5. False, Ctrl + A in MS Word or other text platforms is used to select all the text, not to print data in MS Word. To print data in MS Word or other text platforms we use Ctrl + P.
How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas
Answers
The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.
How did Native Americans gain from the long cattle drives?When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.
Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.
There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.
Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.
Learn more about cattle drives from
https://brainly.com/question/16118067
#SPJ1
There are many options for using Python in the cloud. What should you check if you experience errors with standard syntax? Select an answer: the compression method the version of the Python kernel being used the fonts and color schemes for the editor the version of the exercise files
Answers
If you encounter errors with standard syntax while using Python in the cloud, it is recommended to check the version of the Python kernel being used as it could be incompatible with the version of the programming language you're using.
If you experience errors with standard syntax while using Python in the cloud, you should check the version of the Python kernel being used.
Python is a popular high-level programming language for general-purpose programming. It's utilized in web development, data analysis, artificial intelligence, scientific computing, and other fields. Python is open-source software, which means it's free to use and distribute.
Cloud computing is a model for delivering services on-demand over the internet, like servers, storage, databases, networking, software, analytics, and intelligence, rather than using your local server or computer. The pay-as-you-go service is accessible from any location with an internet connection.
There are various options for using Python in the cloud. Let's have a look at some of the most common ones:
Web Services: It's a collection of remote computing services provided. It provides cloud computing services that can help you get your project up and running quickly.Azure: It's a cloud computing service created by that is frequently used for building, testing, deploying, and managing applications and services through a network of managed data centers.Cloud Platform: It's a collection of cloud computing services provided. It provides cloud computing services that can help you get your project up and running quickly.OpenShift: OpenShift is a container application platform for deploying and managing cloud-native applications that allows you to deploy and scale your Python applications in the cloud.If you experience errors with standard syntax while using Python in the cloud, you should check the version of the Python kernel being used. This may occur if the kernel version used is incompatible with the version of the programming language you're using.
Learn more about standard syntax: brainly.com/question/20935990
#SPJ11
What is the error if I want to assign a value to that same index? i.e. var_str[5] = “r”
PLEASE QUICK
Answers
The program would not generate an error if the var_str list have up to 5 elements
How to determine the error?
The operation is given as:
Assign a value to that same index
This is represented as:
var_str[5] = "r"
The representations from the above code segment are
List = var_strIndex = 5Value = "r"When a value is assigned to an index, the value at the index is updated to the new value, provided that the index exists in the list.
This means that the program would not generate an error if the var_str list have up to 5 elements
Read more about list at:
https://brainly.com/question/27094056
#SPJ1
45 points
Multiple Choice: Choose the answer that best fits each statement below.
______ 5. Which of the following can be found by clicking the AutoSum drop‐down?
a. Average
b. Min
c. Sum
d. All of the above
______ 6. Which option is used to prevent a cell reference from changing when a formula is copied to
another location?
a. Named ranges
b. Absolute cell reference
______ 7. An advantage to defining range names is:
a. Selections can be larger
b. Selections can be any format
c. Name ranges are easy to remember
d. Name ranges clear cell contents
True/False: Answer True or False for each statement below.
______ 8. You can only increase or decrease the decimal places by two.
______ 9. The comma style allows you to format with a thousands separator.
______ 10. Excel does not allow you to copy and paste formulas with AutoFill.
Answers
Answer:
5 its either a or b and 6 is b 7 is d and 8 t 9 f 10 f
Explanat ion:
Find the quotient. 2.5 ÷ 5
Answers
Answer:
.5
Explanation:
you just divide 2.5 by 5
2.5 divided by 5 = 0.5
Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome
Answers
Using the knowledge of computational language in JAVA it is possible to write a code that input N numbers from the user in a Single Dimensional Array .
Writting the code:class GFG {
// Function to reverse a number n
static int reverse(int n)
{
int d = 0, s = 0;
while (n > 0) {
d = n % 10;
s = s * 10 + d;
n = n / 10;
}
return s;
}
// Function to check if a number n is
// palindrome
static boolean isPalin(int n)
{
// If n is equal to the reverse of n
// it is a palindrome
return n == reverse(n);
}
// Function to calculate sum of all array
// elements which are palindrome
static int sumOfArray(int[] arr, int n)
{
int s = 0;
for (int i = 0; i < n; i++) {
if ((arr[i] > 10) && isPalin(arr[i])) {
// summation of all palindrome numbers
// present in array
s += arr[i];
}
}
return s;
}
// Driver Code
public static void main(String[] args)
{
int n = 6;
int[] arr = { 12, 313, 11, 44, 9, 1 };
System.out.println(sumOfArray(arr, n));
}
}
See more about JAVA at brainly.com/question/12975450
#SPJ1
Which jobs are most likely to be replaced by robots and what effect will this have
Answers
Answer:
Here we go. Generally the robots are designed in order to do the work which has very much risk and Humans find it too laborious or hard to do. The robots will be used for the army, or as laborers. In my country Nepal, there's a restaurant where robots are used as waiters. They take order from you and provide you the food. The robots can be used for various purposes but I don't think they will be appointed for the job of higher authority. The use of robots will have massive effect in human life. The use of robots and appointing them in various jobs will cause the problem of unemployment. The poor will be affected and their existence may get into problem. This is one effect but there can be many effects from the use of robots. Using robot in army can reduce human deaths but also people get unemployed. There is both advantage and disadvantage from their use.
which of the following is not a part of a database? group of answer choices a. worksheets b. tables c. fields d. records
Answers
Worksheets are not part of a database.
A database typically consists of tables, which are made up of fields (columns) and records (rows). Worksheets are a
feature of spreadsheet software like Microsoft Excel, which can be used for data analysis but is not typically
considered a part of a database. These worksheets are objects a member of the Worksheets collection. The
The worksheets collection contains all the Worksheet objects in a workbook.
The Worksheet object is also a member of the Sheets collection. The Sheets collection contains all the sheets in the workbook (both chart sheets and worksheets).
learn more about the database:https://brainly.com/question/518894
#SPJ11
whats the meaning of Daisy Chaining vs Double drops
Answers
Daisy chaining and double drops are both terms used in the context of computer networking.
Daisy chaining refers to the practice of connecting multiple devices in a series, where each device is connected to the previous one, forming a chain. In this setup, the last device in the chain is connected to the main network or computer.
Double drops, on the other hand, refer to a configuration where two devices are connected directly to a network switch or hub using separate cables. This setup is often used to improve network performance by providing two separate data pathways for devices to communicate with the network.
In summary, daisy chaining involves connecting devices in a series, while double drops involve connecting two devices directly to a network switch or hub.
To know more about computer network visit:
brainly.com/question/13992507
#SPJ11
The first commercially available digital camera was which of the following?
Answers
Kodak Professional Digital Camera System
hope it helps
pls mark me as brainliest
Answer:
D
Explanation:
None of the above
what version of vsftpd contained the smiley face backdoor?
Answers
Answer:
Chris Evans, author of vsftpd announced that the master site for vsftpd was compromised and that the latest version of vsftpd (vsftpd-2.3.4.tar.gz) was backdoored. The backdoor payload is interesting. In response to a smiley face in the FTP username, a TCP callback shell is attempted. There is no obfuscation.
Explanation:
The master site for vsftpd was compromised, and the most recent version of vsftpd has a backdoor, according to vsftpd programmer Chris Evans. The payload on the backdoor is intriguing. A TCP callback shell is tried in response to a smiley in the FTP username. There is no concealment.
What version of vsftpd had smiley face backdoor?Vsftpd version 2.3. 4 that could be downloaded from the main site was found to have been compromised in July 2011. A ":)" smileyface can be used as the username when entering into a compromised vsftpd-2.3. 4 server, giving users access to a command shell on port 6200.
The idea behind the attack against VSFTPD 2.3. 4 is to send a specific sequence of bytes on port 21 to start the malicious vsf sysutil extra() function, which, if executed successfully, opens the system's backdoor on port 6200.
causes the backdoor to be opened, which causes a shell to start listening on TCP port 6200. After a client connects to it and disconnects from it, the shell stops listening. This might be used by a remote, unauthenticated attacker to execute arbitrary code as root.
Thus, The master site for vsftpd was compromised, and the most recent version of vsftpd has a backdoor.
For more information about vsftpd had smiley face backdoor, click here:
https://brainly.com/question/535743
#SPJ6
Which type of storage disk and disk drive can you use in the given situation?
Amy wants to borrow an interesting movie from Bruce so that she can watch it in her leisure time. Amy can hand over a (BLANK) to Bruce to copy 900 MB file. Bruce needs to have a (BLANK) drive to record data on the used DVD.
BLANK 1
CD
hard disk
DVD
BLANK 2
DVD-RR
DVD-recordable
DVD-RW
Answers
I : DVD
II:DVD-R
A DVD-RW would work too.
The types of storage disk drives that can use in the given situation are as follows:
Amy can hand over a DVD to Bruce to copy a 900 MB file. Bruce needs to have a DVD-RW drive to record data on the used DVD. What do you mean by Storage disk?Storage disk may be defined as a type of hardware device that can be used to store and save digital data and applications which may be in the form of images, video, audio, etc. For example, CDs, DVDs, hard disks, pen drives, etc.
Hard disks generally store a large quantity of data like 120GB to 30.72 TB. But here the data required to be stored is only 900 Mb, so DVD is the most accurate choice for this storage. It stores 500Mb of data to 8.5 Gb. A single-layer HD-DVD stores up to 15GB of storage capacity.
Therefore, Amy can hand over a DVD to Bruce to copy a 900 MB file. Bruce needs to have a DVD-RW drive to record data on the used DVD.
To learn more about Storage Disk, refer to the link:
https://brainly.com/question/14762201
#SPJ2
Given a sorted list of integers, output the middle integer. a negative number indicates the end of the input (the negative number is not a part of the sorted list). assume the number of integers is always odd.
ex: if the input is: 2 3 4 8 11 -1
the output is:
middle item: 4
the maximum number of inputs for any test case should not exceed 9. if exceeded, output "too many numbers". hint: first read the data into a vector. then, based on the number of items, find the middle item. 276452.1593070
(must include vector library to use vectors)
Answers
inputs=[]
num_inputs=int(input())
if(num_inputs>9):
print("Too many inputs")
else:
print(num_inputs)
for i in range(num_inputs):
inputs.append(input())
print(inputs)
middle_position=int(num_inputs/2)
print(inputs[middle_position])
I have a tech question. I'm not getting emails from someone. I still have a lot of storage on my account. I have tried swapping devices. I have tried logging out and logging back in. I'm not sure what to do.
Answers
Answer:
you have delete your old mails And check out your met connection and also check you didn't block him
When first designing an app, all of the folldwing are important EXCEPT
A. debugging
B. determining how a user would interact with the app.
C. determining the purpose of the app
D. identifying the target audience
Answers
Answer:
B
Explanation:
Determining how the user could interact with the app varies person to person, the others are essential to creating apps though.
Research various credit cards to find low APR's, transactions fees, annual fees, over limit fees. Report on the card you find
Answers
APR (Annual Percentage Rate): This is the interest rate you will be charged on your credit card balance if you carry it over from month to month. The lower the APR, the less you will pay in interest over time. It is impossible to obtain credit cards information.
What is the APR's and transactions fees about?Transaction Fees: Some credit cards charge fees for certain types of transactions, such as cash advances or foreign transactions. These fees can add up quickly, so it's important to find a card with low or no transaction fees.
Annual Fees: Some credit cards charge an annual fee for the privilege of using the card. While some premium cards may have high annual fees, there are many credit cards available with no annual fee.
Over Limit Fees: Some credit cards charge a fee if you go over your credit limit. This fee can be significant, so it's important to find a card that doesn't have this fee or that has a high credit limit.
Therefore, It's important to note that there are many different credit cards available, with a wide range of fees and features. It's a good idea to research several different cards to find the one that best suits your needs. It's also good to check the credit card's website for any fees and offers that are not mentioned in the advertisement.
Learn more about APR's from
https://brainly.com/question/1686286
#SPJ1
1) What is CPU ? Explain it's parts.
2) what is memory ?
3) What is Primary memory ? Explain RAM and ROM.
4)What is secondary memory ? Explain it's types.
5) What is output Unit Explain soft copy Output and Hard copy output.
Answers
Answer:
Brother search these questions individually in gle and you will find all there, better than waiting for answers here.
Explanation:
Have a nice day :)
Answer:
Ans.1 -The CPU is also known as central processing unit is the processor or brain of the computer. Ans.2-Storage device of a computer is called computer memory. Ans.3-Primary memory consists of RAM(Random access memory) and (Read only memory). Ans.4-Secondary memory is permanent and so is called non-volatile memory. Ans.-5 I don't know
a network command-line utility in ms windows that tracks and displays the route taken by ipv4 packets on their way to another host is called:
Answers
This tool is useful for diagnosing network issues and determining the path data takes between two devices.
Explain diagnosing network?Your question is: a network command-line utility in MS Windows that tracks and displays the route taken by IPv4 packets on their way to another host is called what?
Your answer: The network command-line utility in MS Windows that tracks and displays the route taken by IPv4 packets on their way to another host is called "tracert" or "trace route." This tool is useful for diagnosing network issues and determining the path data takes between two devices.
Learn more about diagnosing network
brainly.com/question/29353061
#SPJ11
what information about a cisco router can be verified using the show version command?
Answers
- the value of the configuration register.
- the operational status of serial interfaces.
- the administrative distance used to reach networks.
develop a program implementing a REST API client that will provide the end-user with the functionality to inquire about real-time flights prices. This also can be a command line or a user interface although a CLI interface will gain more points.
Answers
Developing a program implementing a REST API client for real-time flight price inquiries, with a CLI interface, is an efficient way to provide end-users with the desired functionality.
To implement a REST API client for real-time flight price inquiries, we can utilize a programming language like Python and libraries such as Requests or HTTP client libraries specific to the chosen programming language. The program will interact with the REST API by sending HTTP requests and handling the responses.
First, we need to define the endpoints and methods provided by the flight price API. This includes the endpoint for flight price inquiries and the required parameters or headers for authentication, location, dates, and other relevant information.
Next, we can design the CLI interface to allow the end-user to input their flight details, such as departure and arrival locations, dates, and any other required information. The program will then construct the appropriate API request using the user's input, send the request to the API endpoint, and retrieve the response.
The response from the API can be parsed and displayed to the user in a user-friendly format, providing real-time flight prices and any additional relevant information such as airlines, flight duration, and available seats.
By implementing a CLI interface, users can easily interact with the program by entering commands or inputting data, making it a straightforward and efficient way to inquire about real-time flight prices.
Learn more about Program
brainly.com/question/14368396
#SPJ11