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C Assignment Operators Quiz

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Questions and Answers

What is the purpose of the 'scanf()' function in C?

To display output to the user

To calculate mathematical operations

To take user input (correct)

To declare variables

What does the '&' sign before a variable represent in C?

Indicates multiplication

Is used for increasing the value by 1

Denotes the power operator

Represents the address of the variable (correct)

Why is '%f' used in the 'scanf()' function for floats?

To indicate a character input

To calculate mathematical operations

For storing integer values

To represent float values (correct)

What does the conversion format string '%c' do in C?

Reads and displays characters Signup and view all the answers

When using '%d' for 'printf()', what type of value is expected to be displayed?

Integer Signup and view all the answers

What is the major difference between '%c' and '%d' conversion format strings?

'%c' displays characters directly, '%d' displays integers directly Signup and view all the answers

In C, what does 'scanf("%c",&var1)' do?

Reads and displays a character Signup and view all the answers

What does the 'return 0;' statement signify within 'main()' function in C?

'return 0;' indicates successful execution of the program Signup and view all the answers

What will be displayed when using 'printf("ASCII value of %d", var1);' in C?

ASCII value of the input character as an integer Signup and view all the answers

When taking user input using 'scanf("%f", &a);', what data type is 'a' assumed to be?

Float Signup and view all the answers