11th Class (1st Year HSSC-I) Computer Science MCQs Practice Examination

Question 1

Which of the following components is responsible for executing instructions and controlling the operation of all other components in a computer system?

Accepted Answer

Central Processing Unit (CPU)

Answer

Random Access Memory (RAM)

Answer

Hard Disk Drive (HDD)

Answer

Power Supply Unit (PSU)

Question 2

What type of software is designed to operate the computer hardware and provide a platform for running application software?

Accepted Answer

System Software

Answer

Application Software

Answer

Utility Software

Answer

Custom Software

Question 3

Which of the following storage devices is classified as volatile memory?

Accepted Answer

RAM

Answer

ROM

Answer

Flash Memory

Answer

Hard Disk

Question 4

What is the primary function of an Assembler in computer science?

Accepted Answer

To convert assembly language instructions into machine code

Answer

To convert high-level language code into machine language

Answer

To link multiple object files into a single executable program

Answer

To execute machine code instructions line by line

Question 5

Which bus is used to transfer actual data between the CPU, memory, and input/output devices?

Accepted Answer

Data Bus

Answer

Control Bus

Answer

Address Bus

Answer

System Bus

Chapter-wise MCQs Practice