Free Computer Fundamentals MCQs with Answers
446 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.
Computer fundamentals covers the history and generations of computers, their characteristics, applications and limitations, and the basic data-processing cycle. It includes binary, decimal, octal and hexadecimal number systems, units of storage, input and output devices, memory types, operating systems, and the distinction between raw data and processed information.
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446 questions · page 2 of 23
- A. Windows+A
- B. Windows+M
- C. Windows+N
- D. Windows+A
Explanation: Windows+M minimizes all open windows and displays the desktop. The Windows+A shortcut is duplicated in the options and is not the standard…
Correct answer: Windows+M- A. computed
- B. mind
- C. brian
- D. None of These
Explanation: Brain, also called the Brain boot-sector virus, is widely identified as the first IBM PC boot-sector virus.
Correct answer: brian23. _________ are often delivered to a PC through an email attachment and are often designed to do harm.
- A. Viruses
- B. Spam
- C. Portals
- D. None of These
Explanation: Viruses are malicious programs that may be attached to email files and execute when the attachment is opened.
Correct answer: Viruses- A. Status bar
- B. Task bar (system tray)
- C. Menu Bar
- D. Launch pad
Explanation: The system tray is part of the taskbar and commonly displays the clock and date along with notification icons.
Correct answer: Task bar (system tray)- A. 36
- B. 44
- C. 52
- D. 54Spreadsheet Software
Explanation: A standard deck contains 52 cards, divided into four suits of 13 cards each. The number 54 applies only when two jokers are included.
Correct answer: 52- A. ctrl + F4
- B. alt + F4
- C. shift + F4
- D. None of These
Explanation: Alt+F4 closes the active program or window in Windows. Ctrl+F4 usually closes only the current document or tab within a program.
Correct answer: alt + F4- A. Sloan Duployan System.
- B. Pitman Shorthand
- C. John Robert Gregg's System
- D. Morse Code
Explanation: Pitman Shorthand is traditionally regarded as the most popular shorthand system among the listed choices.
Correct answer: Pitman Shorthand- A. Windows 10
- B. Windows 8
- C. Windows vista
- D. None of these
Explanation: The original Windows 8 removed the traditional Start button from the desktop interface.
Correct answer: Windows 8- A. AND
- B. OR
- C. NOT
- D. All of these
Explanation: AND, OR, and NOT are all fundamental logic gates used to process binary values.
Correct answer: All of these- A. John Napier
- B. Gottfried Leibnitz
- C. William Oughtred
- D. Blaise Pascal
Explanation: William Oughtred invented the slide rule in the 17th century by applying logarithmic scales to multiplication and division.
Correct answer: William Oughtred- A. Computer Aided Machine
- B. Computer Aided Manufacturing
- C. Computer Automatic Machine
- D. Computer Automatic Manufacturing
Explanation: CAM means Computer-Aided Manufacturing, where computers assist in planning, controlling, or automating manufacturing processes.
Correct answer: Computer Aided Manufacturing- A. Mainframe Computer
- B. Mini Computers
- C. Micro Computers
- D. Super Computers
Explanation: Supercomputers have the greatest processing speed and computational capacity among the listed categories.
Correct answer: Super Computers- A. I Love You
- B. Nimdad
- C. Melissa
- D. Christmas
Explanation: The ILOVEYOU virus spread globally through email in 2000 and infected millions of computers, making it one of the most widespread viruses…
Correct answer: I Love You- A. Gold Mail
- B. Great Mail
- C. Grooming Mail
- D. Google Mail
Explanation: Gmail was originally associated with the name Google Mail, and that name is still used in some countries.
Correct answer: Google Mail- A. Secondary storage
- B. Auxiliary storage
- C. Mass storage
- D. All of above
Explanation: Storage is called secondary, auxiliary, or mass storage because it retains data for long-term use outside the computer's immediate working…
Correct answer: All of above- A. Iron
- B. Phosphorus
- C. Sodium
- D. Calcium
Explanation: Milk is relatively deficient in iron, so infants relying heavily on milk may need another source of iron.
Correct answer: Iron- A. DICOM
- B. JPEG
- C. BitMap
- D. None of these
Explanation: DICOM, or Digital Imaging and Communications in Medicine, is the standard format and communication protocol for storing and transferring…
Correct answer: DICOM- A. Win + Pause
- B. Win + Insert
- C. Wind + End
- D. Win + Tab
Explanation: Windows key + Pause opens the System or computer properties window in traditional Windows versions.
Correct answer: Win + Pause- A. Win + C
- B. Win + D
- C. Win + E
- D. Win + F
Explanation: Windows key + E opens File Explorer, traditionally called My Computer or Windows Explorer.
Correct answer: Win + E- A. Ctrl + Esc
- B. WIN + Ctrl + Esc
- C. Alt + Esc
- D. Ctrl + Shift + Esc
Explanation: Ctrl+Shift+Esc opens Windows Task Manager directly, while Ctrl+Alt+Delete opens a security screen from which Task Manager can also be…
Correct answer: Ctrl + Shift + Esc