Computer 9th Chap 1 : Topic 2.2 - Maryam Publications

Computer Chapter 1 : Topic 2.2

Operating Systems & Applications

1 / 9

Which statement best describes the primary role of an operating system in managing computer system resources and enabling application software execution?

A) It replaces the need for CPU and ALU operations

B) It directly designs user documents and presentations

C) It manages hardware resources and provides a platform for running applications

D) It permanently stores all application data in RAM

2 / 9

Which function of an operating system ensures efficient use of CPU when multiple applications are running simultaneously?

A) Process scheduling and multitasking management

B) File encryption

C) Hardware manufacturing control

D) Data entry validation

3 / 9

What is the main function of an operating system regarding memory management in a computer system architecture?

A) It allocates and deallocates memory space for running programs

B) It stores data permanently in secondary storage

C) It physically increases RAM capacity

D) It replaces cache memory for faster processing

4 / 9

Which operating system function is responsible for organizing files and directories in a computer system?

A) Process termination

B) File system management

C) Arithmetic processing

D) Device management

5 / 9

Which of the following is the best example of application software in a computer system environment?

A) BIOS firmware

B) Windows operating system

C) Linux kernel

D) Microsoft Word

6 / 9

What is the main purpose of application software in a computer system architecture?

A) To manage CPU scheduling and hardware devices

B) To control system startup and BIOS functions

C) To perform specific user-oriented tasks such as writing or editing

D) To replace operating system functions completely

7 / 9

Which example best illustrates how application software depends on an operating system to function properly?

A) A monitor directly executes software instructions

B) A compiler directly controls CPU without OS involvement

C) A printer replaces CPU processing tasks

D) A word processor uses OS services to save files and access memory

8 / 9

Which operating system function is responsible for controlling input and output devices such as keyboard, mouse, and printer?

A) File compression

B) Data encryption only

C) Program compilation

D) Device management

9 / 9

How does application software interact with operating systems during execution in a computer system architecture?

A) It operates independently of CPU instructions

B) It directly accesses hardware without OS permission

C) It requests services from OS for memory, files, and device access

D) It replaces system software functions completely

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