Physical Storage: Hard Drives

Question 1

Bit

Answer 1

Smallest unit of a data storage. Can store 1 binary digit. A 1 or 0

Question 2

Byte

Answer 2

Comprised of 8 bits. A single byte can store a letter, number or symbol.

Question 3

Kilobyte (KB)

Answer 3

Made up of 1,024 bytes

Question 4

Megabyte (MB)

Answer 4

Made up of 1,024 kilobytes

Question 5

Gigabyte (GB)

Answer 5

Made up of 1,024 megabytes

Question 6

Terabyte (TB)

Answer 6

Made up of 1,024 gigabytes

Question 7

Hard Disc Drives or HDDs

Answer 7

A hard drive type. Use spinning platter and mechanical arm to read and write information.

Question 8

RPM or Revolution Per Minute

Answer 8

The speed that the player rotates in a hard drive that allows you to read and write data faster. Higher RPMs mean faster hard drives.

Question 9

Solid State Drive or SSD

Answer 9

Have no moving parts. Made similar to USB stick. On a microchip. More expensive than HHD.

Question 10

SATA or Serial ATA

Answer 10

Interface which uses one cable for data transfers

Question 11

Ata interface

Answer 11

Allows for the transfer of data between the storage device and the computer

Question 12

Hot Swappable

Answer 12

Means you don’t have to turn off your machine to plug in a data drive

Question 13

NVMe or NVM Express

Answer 13

A standard interface that can keep up with the speeds of the newest SSDs. Faster than SATA interfaces.