Module4LECMT7

Module4LECMT7

University

40 Qs

quiz-placeholder

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Module4LECMT7

Module4LECMT7

Assessment

Quiz

Science

University

Medium

Created by

Armilyn Martinez

Used 3+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a pointer in C?

A function that points to memory.

A variable that stores an address of another variable.

A constant memory location.

A variable that can only store integers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operator is used to retrieve the address of a variable?

*

&

->

.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the * operator do when used with a pointer?

Declares a pointer variable.

Initializes a pointer.

Dereferences the pointer to access the value stored at the address.

Retrieves the size of a pointer.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a valid pointer declaration?

int *ptr;

int ptr*;

int &ptr;

*int ptr;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value does a NULL pointer contain?

-1

1

0

An undefined value

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of a void pointer on a 32-bit system?

2 bytes

4 bytes

8 bytes

It depends on the data type it points to.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if a pointer is not initialized?

It points to the value 0.

It causes a segmentation fault.

It holds a garbage address.

The program will not compile.

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