A type of permanent secondary storage that reads and writes data magnetically onto rotating circular platters is a: MCQ with Answer and Explanation

A type of permanent secondary storage that reads and writes data magnetically onto rotating circular platters is a:
A. Compact Disc
B. Hard Disk Drive
C. EEPROM Chip
D. Solid State Drive
Answer: Option B
Solution (By JKSSB Mock Tests)
Hard Disk Drives (HDDs) use non-volatile magnetic storage technology consisting of spinning metal platters and read/write heads.

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Practice More Computer Fundamentals Questions

Question #1
What is the function of the kernel in an OS?
A. Manages hardware and core functions
B. Connects to internet
C. Runs applications
D. Provides user interface

Correct Answer: Option A


Explanation:
The kernel is the core of the OS, managing hardware resources and system services.

This question belongs to: Computer Computer Fundamentals
Question #2
Which computing pioneer designed the 'Analytical Engine', an unbuilt mechanical machine that conceptually utilized sequential control loops and condition jumps?
A. Charles Babbage
B. Blaise Pascal
C. John von Neumann
D. Alan Turing

Correct Answer: Option A


Explanation:
Charles Babbage's design for the Analytical Engine detailed an programmable mechanical computer featuring modern control logic concepts.

This question belongs to: Computer Computer Fundamentals
Question #3
A type of small computer that is designed to fit entirely onto a single circuit board, containing a microprocessor, RAM, and basic I/O interfaces for hobbyists is a:
A. Analog Controller
B. Single-board Microcomputer
C. Mainframe
D. Supercomputer

Correct Answer: Option B


Explanation:
Single-board computers (like the Raspberry Pi) are full microcomputers built on a lone circuit board, widely used for embedded projects.

This question belongs to: Computer Computer Fundamentals