BC3- Computer System Storage

Question 1

What is the functions of computer?

Answer 1

Processing data according to given instructions

Question 2

Where do computer stores data in?

Answer 2

Data Storage

Question 3

What is primary storage?

Answer 3

Memory on the motherboard
Main memory that is directly accessible to CPU

Question 4

What are the two types of main memory?

Answer 4

Volatile - Data lost when turned off (RAM)
Non volatile- Data is not lost when turned off (ROM)

Question 5

What is Registers?

Answer 5

fastest memory in computer
hold computer instructions
perform arithmetic operations

Question 6

What is Cache?

Answer 6

Hold instructions
Stores data so that future requests for that data can be served faster

Question 7

What is secondary storage?

Answer 7

Storage that are not directly accessible to CPU.
It has to connected to the motherboard using cables and plugs.

Question 8

Is secondary storage volatile or non-volatile?

Answer 8

Non-volatile.

Question 9

List the examples of secondary storage:

Answer 9

• Disk Drivers : -HDD(Hard disk drive)
  -SSD (Solid State Drive)
• Optical Drives: -CD
  -DVD

Question 10

State the differences between Primary and Seecondary Storage.

Answer 10

1. Primary: Direct CPU Access
   Secondary : Indirect CPU Access
2. Primary: Fast
   Secondary: Slow
   3.Primary: Expensive
   Secondary: Cheap
3. Primary: Volatile (Except ROM)
   Secondary: Non-volatile
4. Primary: Run instructions
   Secondary: Stores data