Free Computer Fundamentals MCQs with Answers

282 Computer Fundamentals MCQs from Computer Science and IT, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

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282 questions · page 28 of 29

271. UNIVAC is___________?

  • A. Universal Automatic Computer
  • B. Universal Array Computer
  • C. Unique Automatic Computer
  • D. Unvalued Automatic Computer

Explanation: UNIVAC is short for Universal Automatic Computer, the name of an early commercial computer series. The remaining expansions are not the historical meaning of the acronym.

Correct answer: Universal Automatic Computer

272. You can organize files by storing them in__________?

  • A. archives
  • B. folders
  • C. indexes
  • D. lists

Explanation: Folders organize files by grouping related items within a file-system hierarchy. Archives are compressed or stored collections, while indexes and lists do not provide the normal file-storage structure.

Correct answer: folders

273. Which of the following statements is true about Minicomputer and Microcomputer?

  • A. Minicomputer works faster than Microcomputer
  • B. Microcomputer works faster than Minicomputer
  • C. Speed of both the computers is the same
  • D. The speeds of both these computers cannot be compared with the speed of advanced

Explanation: In the traditional classification, minicomputers were larger and generally more powerful and faster than microcomputers. The comparison is historical and not a precise rule for every individual system.

Correct answer: Minicomputer works faster than Microcomputer

274. Coded entries which are used to gain access to a computer system are called__________?

  • A. Entry codes
  • B. Passwords
  • C. Security commands
  • D. Code words

Explanation: Passwords are coded words or character strings used to authenticate a user and control access to a computer system. Entry codes and code words are informal terms, not the standard security term tested here.

Correct answer: Passwords

275. Who is the father of Computer science?

  • A. Allen Turing
  • B. Charles Babbage
  • C. Simur Cray
  • D. Augusta Adaming

Explanation: Alan Turing is widely called the father of computer science because of his foundational work on algorithms, computability, and theoretical computing. The option says “Allen,” but it clearly intends Alan Turing.

Correct answer: Allen Turing

276. File Management is responsibly of__________?

  • A. Task Manager
  • B. RAM
  • C. BIOS
  • D. Operating System

Explanation: The operating system manages files and folders, including creating, copying, moving, renaming, and deleting them. Task Manager monitors processes, while RAM and BIOS serve different functions.

Correct answer: Operating System

277. Half of a byte is called?

  • A. Transistor
  • B. Compiler
  • C. Nibble
  • D. Binary Digit

Explanation: A byte contains 8 bits, so half a byte contains 4 bits and is called a nibble. A binary digit is only one bit, not half a byte.

Correct answer: Nibble

278. What Does SIM Stand for on a Cell Phone?

  • A. Subscriber identity module
  • B. Subscriber Inline module
  • C. Secret Internet module
  • D. Subscriber Interface Module

Explanation: SIM means Subscriber Identity Module, the chip that identifies a mobile subscriber and stores related authentication information. The other expansions are not standard telecommunications terms.

Correct answer: Subscriber identity module

279. Which of the following term means to reckon?

  • A. putare
  • B. com
  • C. computa
  • D. computar

Explanation: Putare is a Latin verb meaning “to reckon” or “to calculate,” while computare was formed from related Latin roots and gave rise to the word computer.

Correct answer: putare

280. A program that performs a useful task while simultaneously allowing destructive acts is a___________?

  • A. Worm.
  • B. Trojan horse.
  • C. Virus.
  • D. Macro virus

Explanation: A Trojan horse appears to perform a useful or legitimate task while secretly carrying out harmful actions. A worm mainly self-replicates, while a virus attaches itself to other files or programs.

Correct answer: Trojan horse.