Computer Basics

3 questions available

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All Introduction to Computers 1 Types of Computers Generations of Computers 1 Computer Components Hardware 630 Software 9 Input & Output Devices 3 Memory & Storage 4 CPU 3 Data & Information 1
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Q1.Function of Direct Memory Access (DMA)?

Medium
A Storage data
B Delete data
C Print Data
D Allow data to CPU
CPU PPSC 2026

Correct Answer: D

DMA allows data to be transferred directly between memory and CPU without processor intervention.

Q2.Which of the following are the main components of a CPU (Central Processing Unit)?

Easy
A Hard Drive and RAM
B Control Unit and Memory
C ALU and Monitor
D Control Unit and Arithmetic Logic Unit (ALU)
CPU PPSC 2025

Correct Answer: D

Q3.Bit can be transferred in computer from one part to another part and this transfer and transfer speed is measured by?

Easy
A Clock
B Cache
C PSU
D URL
CPU PPSC 2026

Correct Answer: A