Free Hardware and Software MCQs with Answers
161 Hardware and Software 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.
161 questions · page 10 of 17
91. DMA stands for
- A. Direct Module Access
- B. Distinct Module Access
- C. Direct Memory Access
- D. Direct Memory Allocation
Explanation: DMA stands for Direct Memory Access, allowing an input/output device to transfer data directly to or from memory with limited processor involvement.
Correct answer: Direct Memory Access92. HDMI stands for
- A. High-Definition Multimedia Input
- B. High-Density Multichip Interconnect
- C. High-Definition Multimedia Interface
- D. High-Definition Multichip Interconnect
Explanation: HDMI means High-Definition Multimedia Interface. It carries digital audio and video through one interface, unlike the distractors that use Input, Density, or Multichip.
Correct answer: High-Definition Multimedia Interface93. Which technology provides a solution for PC virtualization?
- A. Hyper-Visor
- B. Server Clustering
- C. Terminal Services
- D. RAID
Explanation: A hypervisor creates and manages virtual machines, allowing multiple virtual computers to run on one physical PC. Server clustering, terminal services, and RAID provide different capabilities and do not themselves perform PC virtualization.
Correct answer: Hyper-Visor94. DVD Stands For:__________?
- A. Digital Versatile Disk
- B. Digital Versatile Drive
- C. Digital volume disk
- D. Digital Video drive
Explanation: DVD is conventionally expanded as Digital Versatile Disc, although many basic computer texts use the spelling Digital Versatile Disk. Option a is the intended expansion; it refers to optical storage, not a drive.
Correct answer: Digital Versatile Disk95. OCR stands for____________?
- A. Output Character Recorder
- B. Output Character Recognition
- C. Optical Character Recorder
- D. Optical Character Recognition
Explanation: OCR means Optical Character Recognition, a technology that converts scanned or photographed text into machine-readable characters. The terms output and recorder do not describe this process.
Correct answer: Optical Character Recognition96. Disk and tape drives are commonly used?
- A. Hard copy
- B. Soft copy
- C. Secondary storage devices
- D. none of the above
Explanation: Disk and tape drives store data for long-term use and are therefore secondary storage devices. Hard copy is printed output, while soft copy is electronically displayed or stored information.
Correct answer: Secondary storage devices97. Handheld computer is also called__________?
- A. Palmtop computer
- B. Laptop computer
- C. Notebook computer
- D. None of these
Explanation: A palmtop is a small handheld computer designed to fit in the palm of the hand. Laptops and notebooks are portable, but they are larger and not normally classified as handheld computers.
Correct answer: Palmtop computer98. Android was founded in_________?
- A. 2005
- B. 2003
- C. 2004
- D. 2006
Explanation: Android was founded in 2003 by Andy Rubin, Rich Miner, Nick Sears, and Chris White. Google acquired Android in 2005, which is the date often confused with its founding.
Correct answer: 200399. The ribbon is used in_________?
- A. Laser Printer
- B. Plotter
- C. Ink-jet printer
- D. Dot Matrix printer
Explanation: A dot-matrix printer uses an inked ribbon struck by print pins to form characters and images. Laser and ink-jet printers use toner or liquid ink instead of a ribbon.
Correct answer: Dot Matrix printer100. Shortcut key to create a New Folder on Windows PC is ___________?
- A. Ctrl+N
- B. Ctrl+Alt+N
- C. Ctrl+Shit+N
- D. None.
Explanation: Ctrl+Shift+N creates a new folder in Windows File Explorer. The option contains a spelling error, ‘Shit’, but clearly intends to mean Shift.
Correct answer: Ctrl+Shit+N