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Nebula: Pre-test

Authored by Nebula Bitzquad

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Nebula: Pre-test
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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary purpose of variables in programming?

To store and manipulate data 

To execute control flow statements

To define functions

To create graphical user interfaces

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In programming, which of the following statements is used to execute a block of code repeatedly as long as a specified condition is true?

if statement

for loop

switch statement

break statement

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider the following code snippet in a programming language:


x = 5

y = 3

result = x++ - --y + x-- * y++


What is the final value of the variable result after executing this code?

25

16

23

20

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In programming languages that support pointers, what does the "dereference" operation do?

Access the memory address of a variable

Create a new variable in memory

Access the value stored at a memory address

Increment the value of a variable

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How are elements typically accessed in an array in most programming languages?

By using the "element" keyword

By specifying the position with an index

By using the "access" function

By using a loop

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which data type is used to represent true or false values in programming?

Integer

Float

String

Boolean

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In object-oriented programming, what is a class?

A specific instance of an object

A collection of functions

A blueprint for creating objects

A variable with a predefined value

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