[Semester 1] Memory Management

Question 1

Random Access Memory (RAM)

Answer 1

Programs and data the CPU needs during execution

Question 2

Read-Only Memory (ROM)

Answer 2

Data that can’t be changed

Question 3

Volatile

Answer 3

Data is lost when the machine is turned off

Question 4

Auxiliary

Answer 4

Backup storage

Question 5

What happens if the CPU requests data that isn’t in the cache?

Answer 5

The CPU requests the data from memory; the data is then moved to the cache

Question 6

Instructions are patterns of…

Answer 6

Bits

Question 7

Instructions can include…

Answer 7

Register(s) used and memory location/address

Question 8

True or false: Only one instruction can be carried out at a time

Answer 8

False! Instructions are carried out concurrently (multiple at once)

Question 9

Fetch

Answer 9

Instructions are fetched from the memory address; the address is then stored in the program counter then the instruction register

Question 10

Decode

Answer 10

Instructions are translated/decoded in the instruction register

Question 11

Execute

Answer 11

The control unit passes the instructions to the relevant component to be executed