What is the standard maximum capacity of a classic 3.5-inch High-Density Floppy Disk? MCQ with Answer and Explanation

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What is the standard maximum capacity of a classic 3.5-inch High-Density Floppy Disk?

A. 1.44 MB

B. 720 KB

C. 2.88 MB

D. 1.2 MB

Answer: Option A

Solution (By JKSSB Mock Tests)

The standard high-density 3.5-inch floppy disk widely used in personal computers has a formatted storage capacity of 1.44 Megabytes.

This question belongs to: Computer Memory and Storage Devices

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Which interface is commonly used to connect SSDs to a motherboard?

A. IDE

B. Parallel port

C. SCSI

D. SATA

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Correct Answer: Option D

Explanation:
SATA (Serial ATA) is the most common interface for both HDDs and SSDs. NVMe over PCIe is also used for faster SSDs, but SATA is still widely used.

This question belongs to: Computer Memory and Storage Devices

Question #2

What type of data bus interface layout transfers all bits of a single data word concurrently across multiple parallel trace lines on a motherboard?

A. Serial Interface

B. Asynchronous Channel

C. Parallel Interface

D. Isochronous Bus

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Correct Answer: Option C

Explanation:
Parallel interfaces use multiple distinct physical lines to send a collection of data bits (like an entire byte or word) at the exact same instant.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which memory unit is typically used to express the speed of a processor's cache?

A. MT/s

B. MB

C. MHz

D. GB/s

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Correct Answer: Option C

Explanation:
Cache speed is often expressed in MHz (or GHz) as it operates at the CPU clock speed. RAM is expressed in MT/s or MHz as well.

This question belongs to: Computer Memory and Storage Devices

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