16 - Memory and Storage Flashcards
1
Q
What does the main memory determine ?
A
– How many programs can be executed at at time
– How much data can be available to a program
2
Q
What is the RAM divided into ?
A
Words.
3
Q
How many bits does a word have usually?
A
32 or 64 bits.
4
Q
Why is RAM called ‘random’ access memory.
A
Because any word can be randomly touched without having accessed any of the preceding words.
5
Q
Give the two basic types of RAM ?
A
- Dynamic RAM (DRAM), slower, cheaper
- Static RAM (SRAM), faster, more expensive
But both are volatile !
