MCQ Practice

Computer & IT MCQs

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____ button is used to go to different slide, a file, a website and sound.

A. Toggle
B. Enter
C. Alt
D. Action

Explanation:
The Action button in PowerPoint performs these functions.

Time taken by a computer to process a job or instruction is called ____.

A. Execution Time
B. Waiting Time
C. Delay time
D. Real Time

Explanation:
Execution time is the duration to complete a job/instruction.

The ability of a computer system to remain operational despite various failures is ____.

A. Relation
B. Schema
C. Resilience
D. Versatility

Explanation:
Resilience is the system’s ability to continue working despite failures.

Which of the following is not a system tool?

A. Backup
B. Disk defragment
C. Virus scanning
D. All of these

Explanation:
All listed items are standard tools for system maintenance.

How can the risk of unauthorized computer system access be reduced when connected to the internet?

A. By installing anti-virus software
B. By using a firewall
C. By encrypting all data stored in the system
D. All of these

Explanation:
All these measures reduce the risk of unauthorized access.

____ occurs when a person sends a message with angry antagonistic content.

A. Email Phishing
B. Email fatigue
C. By installing anti-spam software
D. By setting up a WAN

Explanation:
This describes email phishing or flame mail.

A type of malware often disguised as legitimate software is ____.

A. Trojan Horse
B. PDF
C. Chrome
D. Safari

Explanation:
A Trojan Horse appears harmless but performs malicious actions.

To protect a computer from viruses, what should you install in your computer?

A. Disk cleanup
B. Backup wizard
C. Antivirus
D. None of these

Explanation:
Antivirus software is the standard protection against viruses.

Brain Virus is the name of a computer virus invented by two brothers, Basit and Amjad Farooq Alvi. They belong to which country?

A. Pakistan
B. Bangladesh
C. India
D. Afghanistan

Explanation:
The Brain virus was created in Pakistan in 1986.

Which software copies itself without permission and knowledge of the user?

A. Program
B. Virus
C. Antivirus
D. None of these

Explanation:
This is the exact definition of a computer virus.

Practice Important Questions

This section provides important MCQs with answers and explanations to help candidates prepare effectively for CSS, PMS, and other competitive exams.

Improve Conceptual Understanding

Each MCQ is designed to strengthen your understanding of key concepts and improve analytical thinking required in exams.

Exam-Oriented Preparation

These MCQs follow actual exam patterns, helping aspirants practice relevant questions and improve performance.

Useful for CSS and PMS Exams

This collection is highly beneficial for CSS, PMS, and other competitive exams, improving accuracy and confidence.