1.1.3 Input, Output And Storage

Question 1

Input device

Answer 1

A piece of hardware used to enter data into a computer or similar processing device. E.g, keyboard, mouse.

Question 2

Output device

Answer 2

A piece of hardware used to output information from a computer or similar processing device. E.g, printer, projector.

Question 3

Storage device

Answer 3

Any median which holds data or programs (optical, magnetic, solid state)

Question 4

Magnetic storage

Answer 4

Uses minute magnetic particles or ‘domains’ to store data, E.g, hard disk

Question 5

Optical storage

Answer 5

Storage that uses plastic disks where data is stored as patterns on the surface, in pits and lands.
E.g, CD, DVD, blu-ray disks

Question 6

Flash storage

Answer 6

Holds data using electronic switches. E.g, USB sticks

Question 7

RAM

Answer 7

RAM is used as main memory. It acts as temporary storage for program instructions and data. It can only store things temporarily because it is volatile

Question 8

ROM (Read Only Memory)

Answer 8

ROM cannot be changed, overwritten or removed. It is non volatile

Question 9

Virtual storage

Answer 9

Extending backup storage by using backing storage as if it were main memory. E.g, hard disk