3.3 Memory

Question 1

the physical package of RAM that slides into the slot on your computer is called

Answer 1

DIMM – Dual Inline Memory Module. Electrical contacts are different on either side of the memory module

Question 2

How big is the data width of DIMM

Answer 2

64 bit data width

Question 3

the DIMM on a laptop is called ?

Answer 3

SO-DIMM - Small Outline Dual Inline Memory Module - about half the width of a DIMM

Question 4

The memory on the DIMM is called?

Answer 4

Dynamic RAM (DRAM)

Question 5

Why is DRAM Dynamic?

Answer 5

Needs constant refreshing, without refreshing the data in memory disapears

Question 6

What does Random Access mean in DRAM?

Answer 6

any storage location can be accessed directly at any time, unlike magnetic tapes

Question 7

Todays computers have Synchronous DRAM (SDRAM), why is it synchronous?

Answer 7

synchronized with the common system clock of the computer. Allows it to queue things up in a standard format. Queue up one process while waiting for another. Classic DRAM didn’t wait for a clock signal

Question 8

Multi-Channel memory

Answer 8

use of multiple modules of RAM to improve performance. More throughput with multiple memory modules than a single larger memory module