Understanding Pointers in C

Understanding Pointers in C

Assessment

Interactive Video

Computers

9th - 12th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

This video tutorial introduces pointers, a challenging concept for new programmers. It explains memory addresses and values, and how pointers are created in C. The tutorial breaks down pointer syntax, including the use of asterisks and ampersands, and demonstrates accessing variables by reference. It discusses the necessity of pointers for clean, scalable code and dynamic memory allocation. The video concludes with encouragement for learners to master pointers.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are pointers considered challenging for new programmers?

They require understanding of complex algorithms.

They are only applicable in web development.

They are rarely used in modern programming.

They involve managing memory addresses.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a pointer essentially in programming?

A method to execute code in parallel.

A data type that holds multiple values.

A function that performs arithmetic operations.

A variable that stores a memory address.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In C, what does the asterisk (*) symbol indicate when used with a variable type?

It denotes a constant value.

It signifies a loop structure.

It indicates a pointer to a type.

It represents a function call.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the ampersand (&) symbol represent in C?

The value of a variable.

The address of a variable.

The size of a variable.

The type of a variable.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common issue new programmers face when using pointers?

Creating user interfaces.

Writing functions without errors.

Managing the syntax involving stars and ampersands.

Understanding the concept of loops.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process of accessing the value at the address a pointer is pointing to called?

Dereferencing

Referencing

Initializing

Allocating

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is dereferencing important in pointer operations?

It allows direct modification of the pointer itself.

It enables access to the value stored at the pointer's address.

It helps in converting pointers to integers.

It is used to allocate memory dynamically.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?