Data storage

Question 1

What is primary memory?

And give 3 examples.

Answer 1

A category of memory that is accessed directly by the CPU.

RAM, ROM & cache.

Question 2

What is secondary memory?

And give 3 examples.

Answer 2

A category of memory that is stored externally.

Hard drives, CD’s & flash drives.

Question 4

List the 4 main types of primary memory in order of their closeness to the CPU.

Answer 4

1. Registers
2. Cache
3. Ram
4. Virtual memory

Question 5

Fill the gaps

The ____ the memory type, the more ________ it is and the ____ the access is.

Answer 5

Closer, expensive, faster

Question 6

Define

Latency

Answer 6

The time taken for components to respond to a request

Question 7

What does RAM do?

Answer 7

Tempory storage that stores data, files and part of the operating system a it is being run

Question 8

True or false:

RAM can be written to, read from & changed

Answer 8

True

Question 9

What does DRAM stand for?

Answer 9

Dynamic Random Access Memory

Question 10

What does SRAM stand for?

Answer 10

Static Random Access Memory

Question 11

What is DRAM?

Question 12

What is SRAM?

Question 13

What is ROM?

Answer 13

ROM is a form of primary, non-volatile memory which cannot be rewritten, only read from.

Question 14

What is flash memory?

Answer 14

A type of rewritable ROM that is programmed using a flash of current to store data.

Question 15

What are HDD’s?

Answer 15

Hard Disk Drives, also called magnetic disk drives, are cost effective & high storage forms of memory that typically store the operating system, installed programs & the users data.