Computer Science MCQS

Computer Science MCQ with detailed explanations for students & freshers preparing for entrance exams, various tests, interviews, competitive exams like GATE exam, interview, competitive examination and entrance exam.

📚 Table of Content

Which is NOT a printer type?

A. Laser Printer

B. Inkjet Printer

C. Plotter

D. Scanner

Correct answer is: D. Scanner

Number of columns in Excel 2007+:

A. 256

B. 65,536

C. 16,384

D. 1,048,576

Correct answer is: C. 16,384

Shortcut to select entire document or worksheet:

A. Ctrl + A

B. Ctrl + S

C. Ctrl + E

D. Ctrl + W

Correct answer is: A. Ctrl + A

A computer architect is designing a new processor and wants to minimize the time taken to access frequently used instructions and data. Which memory hierarchy component should she focus on optimizing for the greatest impact on CPU performance?

A. Hard Disk Drive capacity

B. RAM clock speed

C. Cache memory hit rate

D. Virtual memory page file size

Correct answer is: C. Cache memory hit rate

The output displayed on a monitor is called a:

A. Printout

B. Hard Copy

C. Soft Copy

D. Duplicate Copy

Correct answer is: C. Soft Copy

The feature that places text slightly above the normal line (e.g., in X²) is called:

A. Subscript

B. Superscript

C. Strikethrough

D. Small Caps

Correct answer is: B. Superscript

Which feature controls the visual effects that appear when you move from one slide to the next?

A. Animations

B. Transitions

C. Slide Master

D. Custom Shows

Correct answer is: B. Transitions

In PowerPoint, a .wav file is a type of:

A. Video file

B. Image file

C. Sound file

D. Presentation file

Correct answer is: C. Sound file

Which statement best explains why SRAM is used for cache memory while DRAM is used for main memory?

A. SRAM is slower but cheaper than DRAM

B. SRAM does not require constant refreshing, making it faster but more expensive

C. DRAM retains data even when power is off

D. SRAM has higher storage density than DRAM

Correct answer is: B. SRAM does not require constant refreshing, making it faster but more expensive

What type of software controls the internal operations and manages the hardware of a computer?

A. Application Software

B. System Software

C. Shareware

D. Firmware

Correct answer is: B. System Software