1.2.1 Memory And Storage

Question 1

Purpose of Primary storage?(1mark)

Answer 1

Provide fast access to the CPU (1 mark)

Question 2

Purpose of secondary data?(1mark)

Answer 2

Stores backups dats that comes in the primary storage

Question 3

Purpose of virtual memory?(1mark)

Answer 3

Enables data in the RAM

Question 4

Name 3 Type of storage (3mark)

Answer 4

• Optical(1mark)
  -magnetic(1mark)
  -Solid state(1mark)

Question 5

Name secondary 4 characterise of secondary storage

Answer 5

• speed(1mark)
  -durability(1mark)
  -cost per sec(1mark)
  -portability(1mark)

Question 6

Explain the FDE cycle(3mark)

Answer 6

1)memory address gets copied to theMAR
2) Address get increment
3)program sends signal
4)current instructions register
5)cycle repeat