IC3 IC3 Computing Fundamentals and Key Applications 1

Question 1

What does CPU stand for in computer terminology?

Accepted Answer

Central Processing Unit

Answer

CPU stands for Central Processing Unit, the primary component that executes instructions in a computer.

Question 2

Which type of storage retains data even when the computer is turned off?

Accepted Answer

Hard disk drive (HDD)

Answer

A hard disk drive (HDD) is non-volatile storage, meaning it retains data without power.

Question 3

What is the main difference between an HDD and an SSD?

Accepted Answer

SSDs have no moving parts and are generally faster than HDDs

Answer

SSDs (Solid State Drives) use flash memory and have no moving mechanical parts, making them faster and more durable than HDDs.

Question 4

Which of the following is an example of an INPUT device?

Accepted Answer

Keyboard

Answer

A keyboard is an input device because it allows users to send data into the computer.

Question 5

What does RAM stand for, and what is its primary function?

Accepted Answer

Random Access Memory — temporarily stores data the CPU is actively using

Answer

RAM (Random Access Memory) is temporary working memory that the CPU uses to store data and programs currently in use.

IC3 - Digital Literacy Certification Practice Test