Computer Hardware MCQs

Computer

Computer Hardware MCQs

Practice Computer Hardware MCQs with answers and detailed explanations covering input devices, output devices, scanners, printers, keyboards, monitors and computer hardware components frequently asked in competitive examinations.

430
Total Questions

Practice Questions

Page 12 of 22
Question #221
Which component's failure can cause no display on monitor?
A. Hard disk
B. Graphics card or RAM
C. Mouse
D. Keyboard
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Common troubleshooting issue.
This question belongs to: Computer Computer Hardware
Question #222
What is the standard for high dynamic range in monitors?
A. VGA
B. SD only
C. HDR10 or Dolby Vision
D. NTSC
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Better contrast and colors.
This question belongs to: Computer Computer Hardware
Question #223
A stylus is primarily an input device for:
A. Audio
B. Printing
C. Precise pointing on touchscreens
D. Scanning
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Used in drawing and note-taking.
This question belongs to: Computer Computer Hardware
Question #224
What does 'MTBF' indicate for hardware?
A. Maximum Thermal Buffer Factor
B. Memory Transfer Buffer Format
C. Monitor Test Benchmark Frequency
D. Mean Time Between Failures, reliability measure
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Indicates expected lifespan.
This question belongs to: Computer Computer Hardware
Question #225
Which type of printer is most economical for high volume black text?
A. Thermal
B. Inkjet
C. Dot matrix
D. Laser printer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Low cost per page.
This question belongs to: Computer Computer Hardware
Question #226
The PCIe lanes are used for:
A. High bandwidth connections to GPU and SSDs
B. Audio
C. Power only
D. Low speed peripherals
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Scalable high-speed interface.
This question belongs to: Computer Computer Hardware
Question #227
What feature do gaming monitors often have for low latency?
A. Built-in scanner
B. High DPI
C. High refresh rate and low response time
D. Large size only
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
1ms response time is common.
This question belongs to: Computer Computer Hardware
Question #228
Which hardware component uses quantum tunneling in some advanced versions?
A. Monitor pixels
B. Printer nozzles
C. Flash memory cells
D. CPU transistors traditionally
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
In NAND flash.
This question belongs to: Computer Computer Hardware
Question #229
A docking station primarily allows laptops to:
A. Increase internal RAM
B. Scan documents
C. Connect multiple peripherals easily
D. Print faster
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Turns laptop into desktop setup.
This question belongs to: Computer Computer Hardware
Question #230
What is the typical power consumption of an idle modern monitor?
A. 1000W
B. Low, around 20-50W
C. 500W
D. Negligible only
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Energy efficient designs.
This question belongs to: Computer Computer Hardware
Question #231
The main advantage of vector graphics output in plotters is:
A. Fast text
B. Color photos
C. Scalability without loss of quality
D. Low cost
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Precise lines for technical drawings.
This question belongs to: Computer Computer Hardware
Question #232
Which bus architecture is used in modern motherboards?
A. MCA
B. EISA
C. ISA
D. PCI Express
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
High speed serial communication.
This question belongs to: Computer Computer Hardware
Question #233
What causes image retention in OLED monitors?
A. Low resolution
B. Wrong cable
C. Static images over long periods
D. High brightness only
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Pixel wear issue mitigated by features.
This question belongs to: Computer Computer Hardware
Question #234
A fingerprint sensor is an example of:
A. Processing unit
B. Output device
C. Storage device
D. Biometric input device
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
For security authentication.
This question belongs to: Computer Computer Hardware
Question #235
What is the role of a southbridge chipset?
A. Graphics acceleration
B. Cooling control
C. CPU and RAM connection
D. I/O and slower peripherals management
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Legacy and peripheral support.
This question belongs to: Computer Computer Hardware
Question #236
Modern keyboards often feature:
A. No keys
B. RGB backlighting and programmable keys
C. Only mechanical
D. Fixed layout only
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Customization for gamers and professionals.
This question belongs to: Computer Computer Hardware
Question #237
The term 'seek time' is associated with:
A. Traditional HDD performance
B. Printer speed
C. RAM access
D. Monitor refresh
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Time to position read/write head.
This question belongs to: Computer Computer Hardware
Question #238
Which output device is used in education for large audiences?
A. Interactive whiteboard or projector
B. Headphones
C. Small monitor
D. Personal printer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Collaborative learning tools.
This question belongs to: Computer Computer Hardware
Question #239
What is a key characteristic of SRAM?
A. Cheaper and slower
B. Faster but more expensive than DRAM
C. High capacity only
D. Non-volatile
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Used in CPU cache.
This question belongs to: Computer Computer Hardware
Question #240
Wi-Fi enabled printers allow:
A. Lower quality
B. No connectivity
C. Printing from mobile devices without cables
D. Scanning only
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Convenience in modern setups.
This question belongs to: Computer Computer Hardware

More Computer Topics

Computer Abbreviations MCQs
Computer Fundamentals MCQs
Computer Networking MCQs
Computer Software MCQs
CPU (Central Processing Unit) MCQs
Cyber Security MCQs
Database Management System (DBMS) MCQs
Internet and Web Technologies MCQs
Memory and Storage Devices MCQs
Microsoft Office MCQs
Operating Systems MCQs
Programming Languages MCQs
Today's Top Topics
Computer Abbreviations 369 Memory and Storage Devices 438 Computer Fundamentals 326 Programming Languages 0 Operating Systems 510
Explore Subjects
Maths 5575 English 15164 Science 4430 Static General Knowledge 6362 Economy GK 2220
Practice Mix
Milk and water are in ratio 4:6 in a 273 L mixture. Quantity of milk?
The blaze ______ they doused was huge.
The 'Rani of Jhansi' is associated with:
The posters were ________ all over the city.
The principal that gives Rs. 453600 interest in 8 years at 9% SI is