Fifth Chapter Solved Exercise MCQs Of ICS First Year Computer Science

Fifth Chapter Solved Exercise MCQs of ICS First Year Computer Science offers a collection of multiple-choice questions with answers, tailored for ICS students. This resource helps students review key concepts, practice for exams, and improve their understanding of the second chapter in Computer Science.

Fifth chapter solved MCQs with explanation

1. Data and program not being used by the computer are stored in:

(a) Secondary storage

(b) cache

(c) Primary storage

(d) printer

Explanation: Secondary storage devices like hard drives and SSDs are used to store data and programs that are not currently in use by the computer.

2. A set of instructions that run the computer are:

(a) hardware

(b) document.

(c) CPUs

(d) software

Explanation: Software consists of a set of instructions that tells the computer what to do.

3. The program that contains instructions to operate a device is called.

(a) Device driver

(b) Device operator

(c) Device linking

(d) Device system

Explanation: A device driver is a program that allows the computer to communicate with a specific hardware device.

4. CPU is an example of:

(a) software

(b) A program

(c) hardware

(d) an output unit

Explanation: The CPU is a physical component of the computer and is considered hardware.

5. The address of the instruction under the processor execution is contained within:

(a) Program Counter

(b) Current Instruction registers.

(c) Memory Address register

(d) Memory Buffer register

Explanation: The Program Counter holds the address of the next instruction to be executed by the CPU.

6. A computer drives its basic strength from

(a) Speed

(b) Memory

(c) Accuracy

(d) All of above

Explanation: Computers derive their strength from speed, memory, and accuracy.

7. The arithmetic/logic unit performs the following actions

(a) Control computer operations

(b) Perform arithmetic functions such as addition and subtraction etc.

(c) Perform logical comparisons such as equal, greater than, less than

(d) Both band c

Explanation: The ALU performs arithmetic operations like addition and subtraction, as well as logical comparisons like equal, greater than, and less than.

8. Which is a storage device

(a) CPU

(b) Clock

(c) Floppy disk

(d) Bus

Explanation: A floppy disk is a storage device used to store data.

9. Which component is responsible for comparing the contents of two pieces of data

(a) ALU

(b) Control unit

(c) Memory

(d) None

Explanation: The ALU is responsible for comparing the contents of two pieces of data.

10. Which one is faster

(a) RAM

(b) Cache

(c) Register

(d) Hard disk

Explanation: A cache’s primary purpose is to increase data retrieval performance by reducing the need to access the underlying, slower storage layer.