C-Quest

C-Quest

Professional Development

20 Qs

quiz-placeholder

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C-Quest

C-Quest

Assessment

Quiz

Computers

Professional Development

Hard

Created by

SKEPSIS cse

Used 46+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'sizeof( )' operator in C programming?

To return the size of a variable

To compare two strings

To calculate the sum of two numbers

To print the address of a variable

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mention the syntax for declaring a pointer in C.

int ptr;

int *ptr;

*int ptr;

ptr int;

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'continue' statement in C programming?

To skip the current iteration and move to the next

To print a line break in the output

To exit the loop or switch statement

To terminate the program

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mention the difference between '++i' and 'i++' in C programming.

'++i' is post-increment and 'i++' is pre-increment.

'++i' is pre-increment and 'i++' is post-increment.

Both '++i' and 'i++' are used for the same purpose.

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

Give the output of the given code.

-10, 0

-9, -9

-7, 0

-10, -9

Answer explanation

In the context of the C programming language, ~a and !a have different meanings:

1. `~a` (Bitwise NOT):

- The `~` (tilde) operator in C performs bitwise NOT operation.

- It inverts each bit of the operand `a`.

- Example:

int a = 5; // binary: 0000 0101

int result = ~a; // binary: 1111 1010

2. `!a` (Logical NOT):

- The `!` (exclamation mark) operator in C is the logical NOT operator.

- It is used to invert the truth value of a condition or expression.

- If `a` is zero (false), then `!a` will be 1 (true), and if `a` is non-zero (true), then `!a` will be 0 (false).

- Example:

int a = 0;

int result = !a; // result will be 1 (true)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of 'Pointers' in C programming.

Pointers are used to perform arithmetic operations.

Pointers are used to store the value of other variables.

Pointers are used to store the address of other variables.

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

Choose the correct option for receiving an input in Line 7.

Store the Input in variable "a".

scanf("%d", *a);

scanf("%d", x);

scanf("%d", &x);

scanf("%d", *x);

Answer explanation

In scanf we mention the address of the variable, where the value will be stored:

Syntax: scanf("%format_specifier", variable_address);

In this context,

x is a pointer storing the address of the variable a, where the input will be stored.

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