M3S2

Question 1

consists of electronic components that store
instructions waiting to be executed by the processor,
data needed by those instructions, and the results of
processing the data

Answer 1

memory

Question 2

memory stores three basic categories of items

Answer 2

The operating
system and other
system software

Application
programs

Data being
processed and the
resulting
information

Question 3

Each location in memory has an

Answer 3

address

Question 4

Memory size is measured in

Answer 4

kilobytes (KB or K),

megabytes (MB), gigabytes (GB), or terabytes (TB)

Question 5

The system unit contains two types of memory:

Answer 5

Volatile memory

Nonvolatile memory

Question 6

Loses its contents when

power is turned off

Answer 6

volatile memory

Question 7

example of volatile memory

Answer 7

ram

Question 8

Does not lose contents

when power is removed

Answer 8

Nonvolatile memory

Question 9

examples of Nonvolatile memory

Answer 9

ROM,
flash memory, and
CMOS

Question 10

Three basic types of RAM chips exist:

Answer 10

Dynamic RAM
(DRAM)

Static RAM (SRAM)

Magnetoresistive
RAM (MRAM)

Question 11

is a type of random-access memory that stores each bit of data in
a separate capacitor within an integrated circuit.

Answer 11

Dynamic RAM

Question 12

can

be either charged or discharged

Answer 12

capacitor

Question 13

has three different states.

Answer 13

Static RAM

1. standby
2. reading
3. writing

Question 14

the circuit is idle

Answer 14

standby

Question 15

the data has been requested

Answer 15

reading

Question 16

updating the

contents

Answer 16

writing

Question 17

data in MRAM is not stored as electric charge or current flows, but
by

Answer 17

magnetic storage elements.

Question 18

Dynamic RAM

Answer 18

1. SDRAM
2. DDR SDRAM
3. DDR2 SDRAM
4. DDR3 SDRAM

Question 19

memory transfer data on both the rising and falling edges of the clock
signal

Answer 19

• DDR SDRAM (Double Data Rate Synchronous Dynamic RAM)

Question 20

Singe Data rate RAM

Answer 20

• SDRAM

Question 21

• DDR SDRAM

Answer 21

(Double Data Rate Synchronous Dynamic RAM)

Question 22

8.5 GT/s; “dual channel mode”; memory installed in pairs

Answer 22

DDR2 SDRAM

Question 23

Operates at lower voltages; consuming less power

Answer 23

DDR3 SDRAM

Question 24

• 12.8 GT/s; dual and triple channel modes

Answer 24

• DDR3 SDRAM

Question 25

RAM chips usually reside

on a what and are inserted into a what

Answer 25

memory module

memory slot

Question 26

The amount of RAM necessary in a computer often

depends on the

Answer 26

types of software you plan to use

Question 27

speeds the processes of the computer
because it stores frequently used instructions and
data

Answer 27

Memory cache

Question 28

refers to memory chips storing
permanent data and
instructions

Answer 28

Read-only memory (ROM)

Question 29

Read-only memory (ROM)

example

Answer 29

• Firmware

Question 30

can be erased electronically and

rewritten

Answer 30

Flash memory

Question 31

technology provides high speeds and

consumes little power

Answer 31

CMOS

Question 32

a non-volatile storage
device which stores digitally encoded
data on rapidly rotating platters with
magnetic surfaces.

Answer 32

hard disk drive

Question 33

refers to a device distinct from

its medium.

Answer 33

drive

Question 34

an optical disc storage

media format

Answer 34

DVD,

Question 35

DVDs are
of the same dimensions as
compact discs (CDs) but

Answer 35

store

more than six times as much data.

Question 36

an Its main uses are for
storing PlayStation 3 games, highdefinition video and data storage with
up to 50GB per disc. optical disc storage
medium to supersede the standard
DVD format.

Answer 36

Blu-ray Disc

Question 37

onsists of a
NAND-type flash memory data
storage device integrated with a
USB (Universal Serial Bus)
interface.

Answer 37

USB flash drive

Question 38

typically removable and rewritable,

Answer 38

USB flash drives

Question 39

s a
solid-state electronic flash memory data
storage device capable of storing digital
contents.

Answer 39

memory card or flash memory card

Question 40

These are mainly used with digital
cameras, handheld and Mobile computers,
mobile phones, music players, digital
cinematography cameras, video game
consoles, and other electronics.

Answer 40

memory card or flash memory card

Question 41

They offer
high re-record-ability, power-free storage,
small form factor, and rugged
environmental specifications.

Answer 41

memory card or flash memory card