1.1.3 Input, output and storage

Question 1

Flash Storage

Answer 1

Non-volatile solid state storage

Question 2

Input device

Answer 2

Peripheral devices that allow data to be entered into the computer system

Question 3

Magnetic Storage

Answer 3

Technique to store data using polarised magnetic metal. The polarity is used to represent a 1 or a 0

Question 4

Optical Storage

Answer 4

Storage medium that uses discs on which the data is stored as pits and lands, Read by a laser; red for normal discs, blue for BluRay

Question 5

Output device

Answer 5

Any peripheral device that translates signals from the computer into a human-readable form or into a form suitable for reprocessing by the computer at a later stage

Question 6

RAM

Answer 6

Random Access Memory. Temporary storage of programs that are currently in use. Volatile

Question 7

ROM

Answer 7

Read Only Memory. Non-volatile so it cannot be changed, runs the POST test and the bootstrap of the computer

Question 8

Storage Device

Answer 8

Any medium (optical, magnetic, solid state) that holds data or programs

Question 9

Virtual Memory

Answer 9

Based inside secondary storage, used when RAM is full, pages of unused programs are moved into virtual memory and back again when needed or more space is gained