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 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: Data172. 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 Integration173. 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 Bus174. 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 System175. 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 Robert176. 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 calculator177. 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 Generation178. 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 Decimal179. 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: Sorting180. 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