Cache Memory (CPU Performance)

Question 1

What does RAM stand for?

Answer 1

Random Access Memory

Question 2

What is RAM?

Answer 2

RAM is the type of memory used as the computers main memory

Question 3

Why can’t you just get fast memory?

Answer 3

Because it starts to get quite pricey

Question 4

What is one way of improving speed at minimal cost?

Answer 4

To use a small amount of cache

Question 5

What is cache known as between the main memory and the processor?

Answer 5

The intermediary

Question 6

Why does data get accessed quicker from the cache?

Answer 6

Because it is closer to the CPU

Question 7

If the information is not located in the cache where is it fetched from?

Answer 7

RAM

Question 8

How much RAM does a typical PC have?

Answer 8

8 to 16GB

Question 9

How much cache does a typical PC have?

Answer 9

2MB

Question 10

How many megabytes in a gigabyte?

Answer 10

1000

Question 11

The more cache a computer has the more…?

Answer 11

Data and instructions can be held in the cache and made available very quickly

Question 12

What is level 1 cache?

Answer 12

Level 1 cache is extremely fast but small. Thus speeding up the Fetch-execute cycle

Question 13

How much storage does level 1 cache have?

Answer 13

2 to 64KB

Question 14

What is level 2 cache?

Answer 14

Level 2 cache is fairly fast still and medium-sized

Question 15

How big is level 2 cache?

Answer 15

256KB to 2MB

Question 16

Explain how speed and cache memory can affect performance and speed of a computer.

Answer 16

The faster the cache memory the more quickly instructions can be fetched decode and executed on a second

Question 17

What type of memory is the most expensive?

Answer 17

cache