Computer Hardware MCQs with Answers and Explanations

Question #261

Share Report

Which hardware standard ensures compatibility across manufacturers?

A. Proprietary designs

B. Color coding

C. Custom cables only

D. Form factors and interfaces like ATX, SATA

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Industry standards.

This question belongs to: Computer Computer Hardware

Question #262

Share Report

What causes color shift in monitors when viewed from side?

A. Poor viewing angles in TN panels

B. Backlight type

C. Low refresh rate

D. High resolution

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
IPS/VA better for angles.

This question belongs to: Computer Computer Hardware

Question #263

Share Report

The read/write head in HDD is part of:

A. Actuator arm assembly

B. Platter

C. Motor

D. Controller board

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Moves across platters.

This question belongs to: Computer Computer Hardware

Question #264

Share Report

Which output device uses cyan, magenta, yellow, black inks?

A. Monitors use RGB

B. CMYK color model in printers

C. Speakers

D. Projectors only RGB

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Subtractive color model.

This question belongs to: Computer Computer Hardware

Question #265

Share Report

What is a key benefit of unified memory architecture?

A. Shared memory between CPU and GPU

B. Slower performance

C. Separate always

D. Higher cost

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Used in some integrated systems.

This question belongs to: Computer Computer Hardware

Question #266

Share Report

A document scanner with OCR capability helps in:

A. Making searchable PDFs from paper

B. Printing faster

C. Audio transcription

D. Gaming input

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Digital archiving.

This question belongs to: Computer Computer Hardware

Question #267

Share Report

The cache memory that is on the CPU die is:

A. L1 and L2

B. External cache

C. L3 only

D. Virtual memory

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Fastest levels.

This question belongs to: Computer Computer Hardware

Question #268

Share Report

What feature do many modern printers have for security?

A. Secure print with PIN

B. No security

C. Fingerprint only

D. Open access only

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Prevents unauthorized printing.

This question belongs to: Computer Computer Hardware

Question #269

Share Report

Which input device can replace a mouse in laptops?

A. Touchpad

B. Joystick

C. All

D. Trackball external

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Multiple options available.

This question belongs to: Computer Computer Hardware

Question #270

Share Report

What is the significance of 'nanometer' process in CPU?

A. Smaller size leads to efficiency and performance

B. For monitors only

C. Larger size better

D. No relation

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Like 5nm, 7nm technology nodes.

This question belongs to: Computer Computer Hardware

Question #271

Share Report

HDR support in monitors requires:

A. Slower refresh

B. Higher brightness and color gamut

C. Monochrome

D. Low resolution

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
For realistic visuals.

This question belongs to: Computer Computer Hardware

Question #272

Share Report

A common maintenance for optical mice is:

A. Replacing ball

B. Cleaning the sensor

C. Paper loading

D. Ink refill

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Dust affects performance.

This question belongs to: Computer Computer Hardware

Question #273

Share Report

The term 'bus mastering' allows:

A. Devices to control the bus directly

B. Memory isolation

C. CPU control only

D. Display control

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Improves efficiency.

This question belongs to: Computer Computer Hardware

Question #274

Share Report

Which type of printer is best for archival quality photos?

A. Professional inkjet with pigment inks

B. Thermal receipt

C. Dot matrix

D. Laser

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Long-lasting prints.

This question belongs to: Computer Computer Hardware

Question #275

Share Report

What does the ' multiplier ' in CPU refer to?

A. Memory size

B. Cache size

C. Core count

D. Clock multiplier for overclocking

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Affects final clock speed.

This question belongs to: Computer Computer Hardware

Question #276

Share Report

Curved vs flat monitors: curved are better for:

A. Immersive wide field of view

B. Text alignment

C. Low cost

D. Portability

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Especially in ultrawide.

This question belongs to: Computer Computer Hardware

Question #277

Share Report

The primary memory that holds data during power on is:

A. RAM

B. Both depending on context

C. HDD

D. ROM for boot

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
RAM for runtime, ROM for instructions.

This question belongs to: Computer Computer Hardware

Question #278

Share Report

What is the function of a print server?

A. Scan documents

B. Display output

C. Manage printing tasks over network

D. Input text

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Shared printing in offices.

This question belongs to: Computer Computer Hardware

Question #279

Share Report

Which technology is used in some keyboards for silent operation?

A. Optical only

B. Mechanical clicky

C. All are loud

D. Scissor-switch or membrane

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Suitable for offices.

This question belongs to: Computer Computer Hardware

Question #280

Share Report

The main cause of HDD failure is often:

A. High temperature only

B. Software error

C. Mechanical wear of moving parts

D. Low usage

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
SSDs avoid this.

This question belongs to: Computer Computer Hardware

Computer Hardware MCQs

Practice Questions

More Computer Topics