What is a variable? Why is it helpful in programming?

Answers

Answer 1
Answer:

Answer:

Variables can represent numeric values, characters, character strings, or memory addresses. Variables play an important role in computer programming because they enable programmers to write flexible programs. Rather than entering data directly into a program, a programmer can use variables to represent the data.

Explanation:


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Write a loop that reads positive integers from standard input, printing out those values that are greater than 100, each on a separate line, the loop terminates when it reads an integer that is not positive.

When more than one arithmetic operator is involved in a formula, Excel follows the same basic order of _____ that you use in algebra.?

Answers

The statement above will be restated.

When more than one arithmetic opreator is involved in a formula, Excel follows the same basic order of OPERATIONS that you use in algebra.

Microsoft excel uses the basic formula when solving some given equation.

Integration Management, one of the 10 PMBOK Guide Knowledge Areas, represents the processes and activities to identify, define, combine, unify, and coordinate the various processes and project management activities. True or False.

Answers

Answer:

The answer is "True".

Explanation:

Integration control is a system selection, which is important to ensure the proper coordination of the different components of the programs. Analogies between conflicting goals and solutions must be made to meet or surpass the needs and wishes of participant groups. This mechanisms use events for identifying, defining, combining, unifying and coordinating software development procedures and events, that's why the given statement is true.

Consider the following code snippet: String[] data = { "abc", "def", "ghi", "jkl" }; String [] data2; In Java 6 and later, which statement copies the data array to the data2 array?

Answers

Answer:

String[] data2 = Arrays.copyOf(data, 4); is the statement which copies the data array to the data2 array in java 6 .

Explanation:

The Arrays.copyOf() function copies the data from first array to another array in java .We pass the two argument in this function  first argument is the name of first array and second the length of first array .

Following are the program in java  

import java.util.Arrays; // import package  

public class Main

{

public static void main(String[] args) // main function

{

String[] data = { "abc", "def", "ghi", "jkl" }; // string declaration

// printing the array data1

 System.out.println("before copy new array:");

 for (int k = 0; k < data.length; k++)  

     {

 System.out.println(data[k]);

 }

String[] data2 = Arrays.copyOf(data, 4);

 // printing the array data2

     System.out.println("after copy new array:");

     for (int k = 0; k < data2.length; k++)  

     {

        System.out.println(data2[k]);

     }}}

Output:

before copy new array:

abc

def

ghi

jkl

after copy new array:

abc

def

ghi

jkl

Assume that processor refers to an object that provides a void method named process that takes no arguments. As it happens, the process method may throw one of several exceptions. Write some code that invokes the process method provided by the object associated with processor and arrange matters so that your code causes any exception thrown by process to be ignored. Hint: use the catch (Exception ex) and do nothing under the catch clause.

Answers

Answer:

Following are the code to the given question:

try//defining a try block

{

processor.process();//defining an object processor that calls process method

}

catch(Exception e)//defining a catch block

{

}

Explanation:

In this question, the 'Try' and 'catch' block is used in which both the keywords are used to represent exceptions managed during runtime due to information or code errors. This try box was its code block which includes errors. A message queue catches the block errors and examines these.

In the try block, a method "process" is used which is create the object processor that calls the method.

Atieno is a musician who records music on her computer. Which devices do you think she would need the most? a. Monitor and Speaker b. Mouse and Keyboard c. Printer and Scanner d. Speaker and Microphone

Answers

D. I hope this helps you in your class

Final answer:

Atieno would need a monitor, speaker, and microphone to record music on her computer.

Explanation:

The devices that a musician like Atieno would need the most to record music on her computer are a Monitor and Speaker, as well as a Speaker and Microphone. A monitor provides a visual display of the recording software and settings, while a speaker allows her to hear the music she is creating. Additionally, a microphone is essential for capturing her vocals or any other live instruments she may be recording.

Learn more about Devices for recording music on a computer here:

brainly.com/question/18166884

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Joe always misspells the word calendar. He types the word as calender but the correct spelling appears on the document. Which feature of the word processor corrects this word?AutoCorrect
Spell Check
Grammar Check
Change

Answers

AutoCorrect is the feature of the word processor that corrects this word. AutoCorrect is a software feature that is usually found in word processors and text editing interfaces. This feature mainly functions by correcting spellings and common typing errors. For example if a user types “the winow is closed, autocorrect will automatically change it to “the window is closed”.

I had the same question so i put (A) auto correct.