16 - Memory and Storage Flashcards Preview

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Flashcards in 16 - Memory and Storage Deck (5)
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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 !