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.
Last updated
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 Computer272. 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: folders273. 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 Microcomputer274. 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: Passwords275. 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 Turing276. 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 System277. 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: Nibble278. 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 module279. 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: putare280. 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.