Hard Disk Drive Flashcards
1
Q
Mass Storage Device
A
Non-volatile storage device that holds the data when the system is powered down
2
Q
2.5” Drive and 3.5” Drive
A
Reserved for internal HDDs and SSDs
3
Q
5.25” Drive
A
Reserved for optical drives, backup tape drives, and floppy disc drives
4
Q
Seeking or Retrieving Data
A
Movement of the actuator and the read/write head to read the data
5
Q
5400 RPM
A
Slowest model (budget or low-end workstations and PCs)
6
Q
7200 RPM
A
Faster performance (modern computers)
7
Q
10,000 RPM
A
High-performance drives (gaming PCs)
8
Q
15,000 RPM
A
Highest RPM and highest cost, but provides excellent performance
9
Q
Buffer Size
A
Internal buffer or cache on a hard disc drive (8 MB to 256 MB)
10
Q
Narrow SCSI
A
40 Mbps
11
Q
Wide SCSI
A
320 Mbps
