Algorithmization 40 question

Question 1

Which of the following is used to output text in C++?

Accepted Answer

cout <<

Question 2

Which keyword is used to take user input in C++?

Accepted Answer

cin

Question 3

Which data type is used to store whole numbers without decimals in C++?

Accepted Answer

int

Question 4

Why does source code need another program to execute?

Accepted Answer

Because computers can only execute their native machine instructions

Question 5

What is the purpose of the assignment operator (=) in C++?

Accepted Answer

It assigns a value to a variable

Question 6

Which characteristic does a good algorithm have?

Accepted Answer

It is clear and unambiguous

Question 7

What is the purpose of syntax in a programming language?

Accepted Answer

To define rules for structuring code

Question 8

Which data type is used to store text in C++?

Accepted Answer

string

Question 9

What is the correct syntax to declare an integer variable in C++?

Accepted Answer

int x;

Question 10

Which of the following is a multi-line comment in C++?

Accepted Answer

/ This is a comment /

Question 11

Which operator is used to assign a value to a variable in C++?

Accepted Answer

=

Question 12

Which of the following is a correct use of the assignment operator?

Accepted Answer

int x = 10;

Question 13

Which data type is used to store a single character in C++?

Accepted Answer

char

Question 14

What is the correct way to comment out multiple lines in C++?

Accepted Answer

/ This is a multi-line comment /

Question 15

What is pseudocode?

Accepted Answer

A high-level representation of an algorithm

Question 16

Which of the following is a single-line comment in C++?

Accepted Answer

// This is a comment

Question 17

Which data type is used to store values with two states (true or false) in C++?

Accepted Answer

bool

Question 18

What is the main goal of debugging in programming?

Accepted Answer

To find and fix errors in a program

Question 19

What will be the value of x after the following statement? int x = 5; x = 10;

Accepted Answer

10

Question 20

What happens to comments when a C++ program is compiled?

Accepted Answer

They are ignored by the compiler

Question 21

Which of the following statements about comments is true?

Accepted Answer

Comments improve code readability but do not affect execution

Question 22

What is the purpose of a compiler?

Accepted Answer

To translate source code into machine instructions

Question 23

What is the correct way to declare multiple variables of the same type in C++?

Accepted Answer

int a, b, c;

Question 24

What is an algorithm?

Accepted Answer

A sequence of simple instructions that solve a problem

Question 25

Which of the following is NOT a component of programming language syntax?

Accepted Answer

Data compression methods

Question 26

Which statement about the assignment operator is true?

Accepted Answer

It updates the value stored in a variable

Question 27

Which keyword is used to display output in C++?

Accepted Answer

cout

Question 28

Which of the following is a correct variable declaration in C++?

Accepted Answer

int num;

Question 29

What was the main reason for the intentionally limited syntax of BASIC (1964)?

Accepted Answer

To make the language easy to learn

Question 30

What is the purpose of comments in C++?

Accepted Answer

To add explanations or notes in the code that are ignored by the compiler

Question 31

Which data type should be used to store a single character in C++?

Accepted Answer

char

Question 32

Which data type is used to store floating-point numbers with decimals in C++?

Accepted Answer

double

Question 33

What is the difference between = and == in C++?

Accepted Answer

= assigns a value, while == compares two values

Question 34

What is the purpose of a flowchart in algorithm design?

Accepted Answer

To visually represent the steps of an algorithm

Question 35

What is the correct syntax for declaring a variable in C++?

Accepted Answer

type variableName = value;

Question 36

How do you correctly start the main function in C++?

Accepted Answer

int main()

Question 37

How are syntax rules typically defined?

Accepted Answer

Using the Backus–Naur form

Question 38

What is a programming language?

Accepted Answer

set of keyword symbol identifier and rule for communication with computer

Question 39

What is the correct file extension for a C++ source file?

Accepted Answer

.cpp

Question 40

What is a computer program?

Accepted Answer

sequence&set of instructions in programming language forcomputer to execute

Algorithmization 40 question

Questions 40

Algorithmization 40 question

Questions 40