Memory and storage

Question 1

what is the purpose of ram?

Answer 1

RAM holds all of the data and instructions that are currently being processed.

Question 2

What different purposes do RAM and ROM have?

Answer 2

RAM- stores data and instructions during processing. ROM- stores boot-up instructions set by the manufacturer

Question 3

What is the difference in volatility in ROM and RAM

Answer 3

RAM is volatile meaning that once power to the RAM is switched off all data is lost. ROM is nonvolatile meaning that data is not lost after power is switched off

Question 4

Does RAM and ROM read or write or both?

Answer 4

RAM reads and writes. ROM read only

Question 5

Compare the capacity between ROM and RAM?

Answer 5

RAM has a bigger capacity than ROM which is usually several gigabytes, whereas ROM is usually a few megabytes in sizes.

Question 6

What is the purpose of cache?

Answer 6

Cache stores frequently used data so it can be retrieved quicker than from RAM

Question 7

What level are most caches in modern processors

Answer 7

Level 3- it is the slowest level but still is 2x faster than ram.

Question 8

What is the difference between general purpose registers and dedicated registers

Answer 8

General purpose register are used temporarily to store values general whereas dedicated registers are specifically used to for the FDE cycle