Computing - Secondary Storage

Question 1

Give 4 advantages of a magnetic hard disk

Answer 1

Reliable
High capacity at low cost
Can internal or external for portability
Stores the OS, user data and programs

Question 2

Give 3 advantages and a disadvantage of optical disk

Answer 2

High capacity at low cost
Small and easy to distribute
Robust and can be used many times
BUT it is slower than hard disk and flash memory

Question 3

What is flash memory?

Answer 3

Electronically alterable version of ROM

Question 4

Give 4 advantages of flash memory

Answer 4

Fast
Reliable
Low power usage
Small and portable

Question 5

What 5 things do you need to consider when choosing which type of secondary storage to use?

Answer 5

Capacity
Speed
Portability
Durability
Reliability

Question 6

What is secondary storage?

Answer 6

Storage that stored data and programs when a computer is switched off