Memory Types and Properties

Question 1

Register Latency

Answer 1

Lowest

Question 2

Register Volatile

Answer 2

Yes

Question 3

Register 2^k capacity

Answer 3

Y

Question 4

Register Cost/Bit

Answer 4

Highest

Question 5

Register Density

Answer 5

low

Question 6

Register location

Answer 6

In Processor

Question 7

Register Controller complexity

Answer 7

lowest (mux)

Question 8

SRAM Latency

Answer 8

2nd lowest

Question 9

SRAM Volatile

Answer 9

Yes

Question 10

SRAM 2^k capcity

Answer 10

Yes

Question 11

SRAM Cost / bit

Answer 11

2nd highest

Question 12

SRAM density

Answer 12

higher (than Register)

Question 13

SRAM location

Answer 13

On processor chip

Question 14

SRAM Controller Complexity

Answer 14

low (mux)

Question 15

DRAM Latency

Answer 15

3rd lowest

Question 16

DRAM Volatile

Answer 16

Yes

Question 17

DRAM 2^k Capcity

Answer 17

Yes

Question 18

DRAM Cost / bit

Answer 18

3rd highest

Question 19

DRAM density

Answer 19

higher still (than SRAM)

Question 20

DRAM location

Answer 20

off CPU chip, but close

Question 21

DRAM Controller complexity

Answer 21

mux + refresher

Question 22

Flash Latency

Answer 22

very high

Question 23

Flash Volatile

Answer 23

No

Question 24

Flash 2^k capcity

Answer 24

Yes

Question 25

Flash Cost / bit

Answer 25

highest non-volatile

Question 26

Flash density

Answer 26

higher still (than DRAM)

Question 27

Flash location

Answer 27

Off CPU chip, but likely close

Question 28

Flash controller complexity

Answer 28

Complex!!!

Question 29

Magnetic Disk latency

Answer 29

“glacial” (very very high)

Question 30

Magnetic Disk volatile

Answer 30

No

Question 31

Magnetic Disk 2^k capacity

Answer 31

No

Question 32

Magnetic Disk cost / bit

Answer 32

middle non-volatile

Question 33

Magnetic Disk density

Answer 33

very high

Question 34

Magnetic Disk location

Answer 34

“Where’s Waldo??” (Doesn’t matter)

Question 35

Magnetic Disk controller complexity

Answer 35

complex

Question 36

Magnetic Tape Latency

Answer 36

“Geographic” (horribly high)

Question 37

Magnetic Tape volatile

Answer 37

no

Question 38

Magnetic Tape 2^k capacity

Answer 38

No

Question 39

Magnetic Tape cost / bit

Answer 39

lowest non-volatile, cheapest overall

Question 40

Magnetic Tape density

Answer 40

very high

Question 41

Magnetic Tape location

Answer 41

“Where’s Waldo??” (Doesn’t matter)

Question 42

Magnetic Tape controller complexity

Answer 42

complex

Question 43

Order from most important aspect -> least important aspect

Answer 43

Latency,
Volatile,
2^k capacity,
cost / bit,
density,
location,
controller complexity

Question 44

Speed

Answer 44

Latency

Question 45

Does it lose data after being turned off?

Answer 45

Volatile

Question 46

Does it save data after being turned off?

Answer 46

Non-volatile

Question 47

locations can be accessed by dereferencing a pointer, and less complex controller

Answer 47

2^k capacity

Question 48

How much money you have to spend

Answer 48

Cost / bit

Question 49

total capacity for unit device, or capacity per unit area or per volume

Answer 49

Density

Question 50

Where the memory is

Answer 50

Location

Question 51

An interface to manage various incompatibilities between the processor and a physical memory device, translates pointers to addressing

Answer 51

Controller