Free Hardware and Software MCQs with Answers
290 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.
Hardware includes the physical components of a computer, such as the CPU, motherboard, registers, memory, storage devices and peripheral equipment. Software covers system software, application software, utilities, drivers and firmware, with attention to how the operating system manages hardware and how software differs from the physical equipment it controls.
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- A. Google
- B. Yahoo
- C. Amazon
- D. Microsoft
Explanation: Willow is Google's quantum processor, announced by Google Quantum AI in 2024.
Correct answer: Google- A. data migration rate
- B. data digitizing rate
- C. data transfer rate
- D. data access rate
Explanation: Data transfer rate measures how much data a storage device can move between the storage medium and the computer per second.
Correct answer: data transfer rate- A. ROM
- B. RAM
- C. BIOS
- D. PROM
Explanation: RAM is volatile because its contents disappear when electrical power is removed.
Correct answer: RAM- A. digital device
- B. system add-on
- C. disk pack
- D. peripheral device
Explanation: A peripheral device is hardware added to a computer to provide or enhance functions such as input, output, storage, or communication.
Correct answer: peripheral device- A. Windows 8
- B. Windows 10
- C. Windows 11
- D. Windows 7Word Processing Software
Explanation: Windows 11 is the latest major desktop version of Microsoft Windows. Windows 8, 10 and 7 are earlier releases.
Correct answer: Windows 11- A. Windows Button
- B. Taskbar
- C. Title bar
- D. None of These
Explanation: The notification area is the system-tray section of the taskbar, normally located near the clock.
Correct answer: Taskbar- A. Minimize file/folder
- B. Maximize file/folder
- C. Zoom file/folder
- D. All of these
Explanation: Windows+M minimizes all open windows to show the desktop; it does not maximize or zoom files.
Correct answer: Minimize file/folder- A. Compactable Read Only Memory
- B. Compact Data Read Only Memory
- C. Compactable Disk Read Only Memory
- D. Compact Disk Read Only Memory
Explanation: CD-ROM means Compact Disc Read-Only Memory, an optical medium whose stored data is normally not writable.
Correct answer: Compact Disk Read Only Memory- A. Arithmetic logic unit, Mouse
- B. Arithmetic logic unit, Control unit
- C. Arithmetic logic unit, Integrated Circuits
- D. Control Unit, Monitor
Explanation: The CPU contains the Arithmetic Logic Unit, which performs calculations and comparisons, and the Control Unit, which directs instruction…
Correct answer: Arithmetic logic unit, Control unit- A. Mechanical
- B. Electrical
- C. Electro Magnetic
- D. Laser
Explanation: Compact discs store and read data using a laser beam that detects microscopic pits and lands on the disc surface.
Correct answer: Laser- A. Command Line Interface
- B. Graphical User Interface
- C. Multitasking
- D. Menu Driven Interface
Explanation: MS-DOS is primarily a command-line operating system, in which users enter text commands to perform tasks.
Correct answer: Command Line Interface- A. System software
- B. Operating system
- C. Utility program
- D. Device driver
Explanation: An operating system is the system software that manages hardware, runs application programs, and coordinates overall computer operations.
Correct answer: Operating system- A. Disk
- B. CPU
- C. Printer
- D. ALU
Explanation: A disk is a circular storage medium, such as a hard disk platter or optical disc.
Correct answer: Disk- A. Direct Memory Access
- B. Direct Module Access
- C. Direct Memory Allocation
- D. None of These
Explanation: DMA means Direct Memory Access, allowing an input/output device to transfer data directly to or from memory with limited CPU involvement.
Correct answer: Direct Memory Access- A. Keyboard
- B. Scanner
- C. OMR
- D. None of these
Explanation: A scanner uses light to read printed text, drawings, or images and convert them into digital data.
Correct answer: Scanner- A. Douglas Engelbart
- B. Ada Lovelace
- C. Charles Babbage
- D. None of these
Explanation: Douglas Engelbart invented the first computer mouse and demonstrated it in 1968.
Correct answer: Douglas Engelbart- A. Android 4.0 Ice Cream Sandwich
- B. Android 5.0 Lollipop
- C. Android 3.0 Honeycomb
- D. Android 2.3 Gingerbread
Explanation: Android 5.0 Lollipop was the first Android release with full 64-bit support, allowing Android devices to use 64-bit processors and…
Correct answer: Android 5.0 Lollipop- A. Serial
- B. Parallel
- C. AGP
- D. All of these
Explanation: Serial and parallel are types of ports, while AGP is a graphics expansion port used for a graphics card.
Correct answer: All of these- A. OCR
- B. OMR
- C. MICR
- D. None of these
Explanation: MICR reads the magnetic-ink characters printed on bank cheques, especially the account and routing information.
Correct answer: MICR- A. 640×480B
- B. 800×600
- C. 1024×768
- D. 1280×3024
Explanation: The original VGA standard uses a resolution of 640 × 480 pixels. Resolutions such as 800 × 600 and 1024 × 768 are higher display…
Correct answer: 640×480BHardware and Software MCQs: common questions
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There are 290 Hardware and Software MCQs in the Computer Science and IT bank, shown 20 to a page with the correct answer and an explanation on each.
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Yes. Each Hardware and Software question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
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