Computer Hacking Forensic Investigator (CHFI v10) — Question 482

What is the smallest physical storage unit on a hard drive?

Answer options

• A. Track
• B. Cluster
• C. Sector
• D. Platter

Correct answer: C

Explanation

The correct answer is C, Sector, as it represents the smallest unit of data that can be read or written on a hard drive. A Track is a circular path on the disk, a Cluster is a group of sectors, and a Platter is one of the disks in the hard drive, all of which are larger than a single Sector.