Computer Sciences MCQs Chapter 7 Class 11

Computer Sciences MCQs Chapter 7 Class 11: Focus on Object-Oriented Concepts

Computer Sciences MCQs Chapter 7 Class 11 are essential for students preparing for NUST, UET, FAST, ECAT, NTS, and FSC board exams. These MCQs cover object-oriented programming concepts, classes, objects, and encapsulation, helping students practice effectively and strengthen coding and logical skills.

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Created on February 22, 2023 By Ali Durrani

Computer Sciences Ch 7 Class 11

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1. A virus program usually hidden in:

The operating system only

An Application program only

The disk drive (

The Operating system or application programs

2 / 20

8. Format C is an example of virus:

Boot sector

Trojan Horse

Chernobal

Logic bomb

3 / 20

18. Format C is an example of:

Logic bomb

Trojon Hone

Boot Sector

Chernobal

4 / 20

12. is cause of virus:

e-mail

Network

Pirated software

All

5 / 20

17. Which is not an antivirus program?

Redlof

Norton

McAfee

Dr. Solomon

6 / 20

5. Most common crimes are committed by:

Hackers

International spies

Highly trained computer consultants

Company insiders who have no extraordinary technical ingenuity.

7 / 20

16. A secret word or number to be typed by a keyboard before an activity can take place are called:

Biometric data

Data encryption

Password

Private Word

8 / 20

15. Security Protection for personal computer include:

Internal components

Locks and cables

Software

All of these

9 / 20

2. A virus is just a:

Computer program

Device driver

hardware component

None

10 / 20

9. Software that is used to detect and remove the viruses from the computer is called:

Pirated software

Antivirus

Trojan Horse

Virus

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6. viruses infects the first sector of disk:

Boot sector virus

Horse Trojan virus

Chernobal virus

Logic bomb virus

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3. A virus can destroy: (

Executable program

Keyboard

CPU

Display screen

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4. Viruses are transferred from one computer to another due to:

Exchange of data and programs

Exchange of display screen

High temperature of room

Dust in room

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13. Types of software that can be freely distributed without violating copyright laws are called:

Shareware

Public domain

Copy protected

Both a and b

15 / 20

10. is not an anti-virus program:

Red-lof

Norton

Dr. Solomon

McAfee

16 / 20

11. is an anti-virus program:

Red-lof

Horse Trojan

Dr. Solomon

Logic bomb

17 / 20

14. Another name for antivirus is:

Vaccine

Worm

Trojan Horse (

DES

18 / 20

7. virus is activated on the basis of a logical condition:

Boot sector virus

Atomic bomb virus

Chernobal virus

Logic bomb virus

19 / 20

20. media is used for backup:

Floppy diskette

Zip Disk

Tape drive

All

20 / 20

19. What is the most common computer crime of these listed below?

Extortion of bank fund

IRS database sabotage

Putting people on junk mailing lists

Software piracy

Your score is

The average score is 76%

Benefits of Practicing Chapter 7 Computer Sciences MCQs

Practicing Chapter 7 MCQs helps students identify weak areas, improve programming logic, and enhance problem-solving speed. Regular practice also boosts conceptual clarity, builds exam confidence, and improves time management, which is crucial for both board exams and competitive entry tests.

PLS Academy: Expert Chapter 7 Computer Sciences MCQs Preparation

PLS Academy provides structured Chapter 7 Computer Sciences MCQs with detailed solutions, topic-wise explanations, and performance tracking. Their expert guidance helps students master object-oriented programming concepts, refine test-taking strategies, and maximize scores in NUST, UET, FAST, ECAT, NTS, and FSC board exams.

JazakAllah