Ram

Question 0

The only time data and programs can be used is when it is?

Answer 0

Moved to RAM

Question 1

What does RAM stand for?

Answer 1

Random access memory

Question 2

What does ROM stand for?

Answer 2

Read only memory

Question 3

Where is ROM most commonly used?

Answer 3

BIOS

Question 4

What does PROM stand for?

Answer 4

Programmable ROM

Question 5

What does EPROM stand for?

Answer 5

Erasable programmable ROM

Question 6

What does EEPROM stand for?

Answer 6

Electrically erasable programmable ROM

Question 7

What is the dif fence between the four ROMs?

Answer 7

ROM- not changeable unless physically replaced
PROM- programmable once. If changes needed you must replace
EPROM- if you remove from motherboard, you can write, erase, and write again.
EEPROM- can be flashed. Can be updated while on the mother board.

Question 8

What is SRAM and what is it used for?

Answer 8

Static RAM
Doesn’t need to be refreshed
Fast memory

Question 9

What is DRAM and where is it used most often?

Answer 9

Dynamic RAM
needs constant refreshing
Has a TTL- time to live

Question 10

What is SDRAM?

Answer 10

Synchronous DRAM

Synchronizes with the system clock.

Question 11

What is RDRAM?

Answer 11

Ram bus DRAM

Faster, was created by a third party and was expensive

Question 12

What is DDR SDRAM?

Answer 12

Double data rate synchronous DRAM
Twice the rate of old ram
Magic number 16

Question 13

DDR2 SDRAM

Answer 13

Double DDR

Magic number 32

Question 14

DDR3 SDRAM

Answer 14

Twice DDR2

Magic number is 64

Question 15

Are DDR chips integratable? How can you tell which one is which?

Answer 15

No

Alignment notch

Question 16

What is memory managed by?

Answer 16

Northbridge (memory controller hub)

Question 17

Where do modern CPUs manage memory?

Answer 17

On the cup

Question 18

What are registers used for?

Answer 18

Temporary storage

Question 19

What are 3 levels of cash memory

Answer 19

Levels 1,2,3

Question 20

What type of memory does cash memory use?

Answer 20

Static RAM

Question 21

What is memory transfer bandwidth measured in?

Answer 21

Bytes per clock cycle

Question 22

What does FSB stand for?

Answer 22

Front side bus

It connects the CPU and RAM via northbridge

Question 23

How do the physical number of chips affect the amount of bandwidth?

Answer 23

They don’t

Question 24

What is the primary specification you need to look at before upgrading your memory?

Answer 24

Clock speed

Question 25

Which type of memory does not use the clock speed for memory speed?

Answer 25

DDR

Question 26

What is DDR memory rated in?

Answer 26

Mega bytes per second

Question 27

What is CAS latency

Answer 27

Column address strobe

Clock cycle from who request is sent until received

Question 28

When looking at the CL number we want a higher or lower number?

Answer 28

Lower

Question 29

Critical computer systems use a memory chip that uses what type of memory?

Answer 29

Parity

Question 30

What does ECC stand for? And what does it do?

Answer 30

Error correcting code

Detects errors and corrects itself on the fly

Question 31

What is multi channel memory installed in?

Answer 31

Pairs or trios in different colored slots.

Question 32

What do single and double side memory use instead of physical layout?

Answer 32

Ranks

Question 33

What should you check the documentation of to ensure you purchase the correct memory?

Answer 33

Your motherboard