Computer

Prepare with the best Computer MCQs with answers and explanations for exams and job tests. Our question bank covers computer fundamentals, hardware, software, networking, operating systems, databases, programming, internet, and information technology. These Computer multiple-choice questions are helpful for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, IT certifications, and job interviews. Practice online to improve your knowledge and score higher with our updated and comprehensive Computer MCQs.

September 6, 2025 by Admin

A. graphical user interface, single-tasking operating system

B. graphical user interface, multi-tasking operating system

C. command-driven interface, single-tasking operating system

D. command-driven interface, multi-tasking operating system

✅ The correct answer is option C.

602. When customers of a Web site are unable to access it due to a bombardment of fake traffic, it is known as:

September 6, 2025 by Admin

A. A virus

B. A Trojan Horse

C. Cracking

D. A denial of service attack.

✅ The correct answer is option D.

603. Which language has been selected as the basis for the Japanese “fifth generation” computers.

September 6, 2025 by Admin

A. ALGOL

B. COBOL

C. PROLOG

D. C

✅ The correct answer is option C.

604. __________ is the measurement of things such as fingerprints and retinal scans used for security access.

September 6, 2025 by Admin

A. Biometrics

B. Biomeasurement

C. Computer security

D. Smart weapon machinery

✅ The correct answer is option A.

605. A language which is close to that used within the computer is

September 6, 2025 by Admin

A. High-level language

B. Assembly language

C. Low-level language

D. All of the above

✅ The correct answer is option C.

606. Magnetic tape can serve as :

September 6, 2025 by Admin

A. secondary-storage media

B. output media

C. input media

D. All of the above

✅ The correct answer is option A.

607. Which of the following is a part of the Central Processing Unit?

September 6, 2025 by Admin

A. Printer

B. Keyboard

C. Mouse

D. Arithmetic Logic Unit (ALU)

✅ The correct answer is option D.

608. When did IBM close the last of its punched card manufacturing plant?

September 6, 2025 by Admin

A. June, 1989

B. December, 1984

C. March, 1982

D. November, 1979

✅ The correct answer is option B.

609. One nibble is equal to

September 6, 2025 by Admin

A. 4 bits

B. 8 bits

C. 6 bits

D. 16 bits

✅ The correct answer is option A.

610. What is the name given to the specialized storage element in the processor unit of a computer which is used as a “scratch pad” during processing operations?

September 6, 2025 by Admin

A. storage register

B. primary memory

C. cache memory

D. accumulator

✅ The correct answer is option C.