Computer Fundamentals MCQ Updated Data - April, 2026

Kuldeep Lodhi Updated April 2, 2026 1 min read Education
Computer Fundamentals MCQ Updated Data - April, 2026
Computer Fundamentals MCQ Updated Data - April, 2026
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Q31. Which component is commonly referred to as the 'heart' of a computer?

A CPU
B RAM
C Motherboard
D GPU

✓ Correct Answer: A

The CPU (Central Processing Unit) is often called the 'heart' of the computer as it performs most of the processing.

Q32. What is the primary function of BIOS in a computer system?

A Execute software applications
B Manage file storage
C Initialize hardware during booting
D Provide internet connectivity

✓ Correct Answer: C

BIOS (Basic Input/Output System) initializes hardware components and loads the operating system during the boot process.

Q33. In computer networking, what is the function of a router?

A Transmitter of data packets
B Direct data traffic between networks
C Store files remotely
D Convert digital signals to analog

✓ Correct Answer: B

A router connects multiple networks and directs data traffic between them.

Q34. What does the term 'data integrity' refer to in computing?

A Speed of data transfer
B Accuracy and consistency of data
C Volume of data storage
D Security of data access

✓ Correct Answer: B

Data integrity ensures that the information is accurate and consistent over its lifecycle.

Q35. Which of the following best describes a drive's 'seek time'?

A Time taken to save data
B Time taken to retrieve data from storage
C Duration of data transfer
D Speed of the storage medium

✓ Correct Answer: B

Seek time refers to the time taken by the read/write head to locate the correct track on a storage device.

Q36. What type of software is specifically built to control computer hardware?

A Application Software
B System Software
C Utility Software
D Firmware

✓ Correct Answer: B

System software includes operating systems and any program that supports application software.

Q37. Which measure best describes the performance capability of a CPU?

A Clock speed
B Bus speed
C Memory size
D Hard drive capacity

✓ Correct Answer: A

Clock speed, measured in GHz, indicates how many cycles a CPU can perform in one second, reflecting its performance.

Q38. In terms of computer security, what does a 'DDoS' attack stand for?

A Data-driven denial of service
B Distributed denial of service
C Dynamic denial of service
D Direct denial of service

✓ Correct Answer: B

DDoS stands for Distributed Denial of Service, which is an attack aimed at making a machine or network resource unavailable.

Q39. What type of network is characterized by its limited geographical range?

A WAN
B MAN
C LAN
D PAN

✓ Correct Answer: C

A Local Area Network (LAN) is a network that connects computers within a limited geographical area.

Q40. Which of the following is a common use of virtualization technology?

A Enhance physical security
B Run multiple operating systems on one machine
C Increase power consumption
D Simplify hardware design

✓ Correct Answer: B

Virtualization technology allows multiple operating systems to run on a single physical machine, improving resource utilization.