Hard disk data addressing is a method of allotting addresses to each ___________of data on a hard disk

The correct answer is A. Physical block. Hard disk data addressing assigns a unique address to each physical block of data on the disk. A physical block (also called a sector or cluster at the hardware level) is the smallest addressable unit of storage on a hard drive. Methods like CHS (Cylinder-Head-Sector) and LBA…

Submitted by luis.pe· Apr 18, 2026Disk Forensics

Question

Options

APhysical block
BLogical block
COperating system block
DHard disk block

How the community answered

(32 responses)

A
94% (30)
B
3% (1)
D
3% (1)

Explanation

Hard disk data addressing assigns a unique address to each physical block of data on the disk. A physical block (also called a sector or cluster at the hardware level) is the smallest addressable unit of storage on a hard drive. Methods like CHS (Cylinder-Head-Sector) and LBA (Logical Block Addressing) both ultimately map to physical locations on the disk platters. While LBA presents a logical view to the OS, the underlying addressing mechanism targets physical blocks on the hardware. The other options - logical block, OS block, and hard disk block - are either too abstract, non-standard terminology, or redundant descriptions that do not accurately capture the hardware-level addressing scheme.

Topics

#Hard disk addressing#Physical blocks#Disk storage fundamentals

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