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 18 of 29

171. Collection of characters, numbers and symbols is?

  • A. Data
  • B. Keyboard
  • C. Monitor
  • D. Ram

Explanation: Data is a collection of raw characters, numbers, and symbols that can be processed by a computer. A keyboard is an input device, whereas a monitor and RAM are hardware components.

Correct answer: Data

172. VLSI stands for ___________?

  • A. Very Large Scale Immunisation
  • B. Very Large Scale Integration
  • C. Very Large Scale Industry
  • D. Very Low Scale Immunisation

Explanation: VLSI means Very Large Scale Integration, the technique of placing a very large number of electronic components on one integrated circuit. The alternatives change Integration to unrelated words.

Correct answer: Very Large Scale Integration

173. USB stands for ________?

  • A. Uniform Serial Bus
  • B. Uniform System Bus
  • C. Universal Serial Bus
  • D. Universal System Bus

Explanation: USB stands for Universal Serial Bus, a standard interface for connecting peripherals and transferring data and power. The words Uniform and System do not form the recognized expansion.

Correct answer: Universal Serial Bus

174. GPS stands for ________?

  • A. Grade Positioning System
  • B. Global Post System
  • C. Guarantee Positioning System
  • D. Global Positioning System

Explanation: GPS means Global Positioning System, a satellite-based system used to determine location, navigation, and time. The other expansions do not describe this technology.

Correct answer: Global Positioning System

175. Who is the father of personal computer?

  • A. Edward Robert
  • B. Allen Turing
  • C. Charles Babbage
  • D. None of these

Explanation: Ed Roberts, whose full name was Henry Edward Roberts, designed the Altair 8800 and is commonly called the father of the personal computer. The option has a minor name error, writing “Edward Robert” instead of Edward Roberts.

Correct answer: Edward Robert

176. Abacus was the first __________________.

  • A. Electronic computer
  • B. mechanical computer
  • C. electronic calculator
  • D. mechanical calculator

Explanation: The abacus is a manually operated mechanical calculating device and is widely described as the earliest calculator. It was not electronic because it uses beads and rods rather than electrical circuits.

Correct answer: mechanical calculator

177. Which generation of computer is still under development?

  • A. Fourth Generation
  • B. Fifth Generation
  • C. Sixth Generation
  • D. Seventh Generation

Explanation: In the traditional computer-generation classification, fifth-generation computers are associated with artificial intelligence and are described as still under development. Later labels such as sixth generation are not used consistently in standard introductory textbooks.

Correct answer: Fifth Generation

178. BCD stands for

  • A. Bit Coded Decimal
  • B. Binary Coded Digit
  • C. Bit Coded Digit
  • D. Binary Coded Decimal

Explanation: BCD means Binary Coded Decimal, a representation in which each decimal digit is encoded separately using binary bits. It is different from ordinary binary, which encodes the entire number as one value.

Correct answer: Binary Coded Decimal

179. The arranging of data in a logical sequence is called ____________.

  • A. Classifying
  • B. Sorting
  • C. Summarizing
  • D. Reproducing

Explanation: Sorting arranges data according to a logical order, such as alphabetical, numerical or chronological order. Classifying groups data into categories, while summarizing reduces it to key points.

Correct answer: Sorting

180. When was the first electro-mechanic Computer developed?

  • A. 1880
  • B. 1944
  • C. 1960
  • D. 1980

Explanation: The Harvard Mark I, completed in 1944, is commonly identified as the first large electromechanical computer. It used electrically controlled mechanical components rather than fully electronic switching.

Correct answer: 1944