🏠 Home
← Back Start Quiz
MCQ Practice

Computer & IT MCQs

Practice MCQs with Confidence - Our Platform Filters Out Duplicate MCQs so You Always Get Fesh and Unique Questions for Smart Preparation.

Which of the following is a binary number?

  • A. 1001
  • B. 1002
  • C. 1005
  • D. 1006
Explanation:
1001 is a valid binary number (only 0s and 1s).

The capacity of a compact disk is ____.

  • A. 600 MB
  • B. 650 MB
  • C. 700 MB
  • D. None of these
Explanation:
A standard compact disc (CD) holds 650–700 MB.

The Capacity of Floppy disk is ____.

  • A. 1.22 MB
  • B. 1.33 MB
  • C. 1.44 MB
  • D. None of these
Explanation:
Standard 3.5-inch floppy disk capacity is 1.44 MB.

If the custom number is “0000,” then 12 will be represented as?

  • A. 12
  • B. 1200
  • C. 2010
  • D. 120
Explanation:
The number 12 is represented directly as 12 in this context.

The accuracy of the floating-point numbers represented in 16 two-bit words of a computer is approximately ____.

  • A. 16 Digit
  • B. 6 Digit
  • C. 9 Digit
  • D. All of these
Explanation:
16-bit floating point gives approximately 6 digits of accuracy.

Which of the following is a component of data integrity?

  • A. Accuracy
  • B. Complexity
  • C. Ambiguity
  • D. Redundancy
Explanation:
Accuracy is a key component of data integrity.

The act of retrieving existing data from memory is called?

  • A. Read Out
  • B. Read Out
  • C. Read
  • D. All of these
Explanation:
Reading data from memory is called “Read”.

Circular division of a disk to store and retrieve is called?

  • A. Sector
  • B. Track
  • C. Segments
  • D. None of these
Explanation:
A sector is the circular division of a disk for data storage.

EBCDIC stands for ____.

  • A. Extended Binary Coded Decimal Interchange Code
  • B. Expanded Bit Code, Decimal Interchange Code
  • C. Extended Case Decimal Interchange Code
  • D. Exchanged Case Decimal Interchange Code
Explanation:
EBCDIC is an 8-bit character encoding used in mainframes.

The purpose of ____ is to act as holding area, enabling the CPU to manipulate data before transferring it to a device?

  • A. ROM
  • B. Compiler
  • C. Buffer
  • D. Tabulator
Explanation:
A buffer temporarily holds data during transfer.

Computer & IT MCQs for CSS Preparation

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.