CH3

Question 1

hardware components of a computer include devices that perform..

Answer 1

input, processing, data storage, output

Question 2

part of the computer that sequences and executes instructions

Answer 2

Central processsing unit (CPU)

Question 3

the central processing unit is composed of 3 parts…

Answer 3

arithmetic/logic unit, the control unit, the register areas

Question 4

provides the processor with a working storage area to hold program instructions and data

Answer 4

memory

Question 5

provide data and instructions to the computer and receives results from it

Answer 5

input/output devices

Question 6

a series of electronic pulses produces at a predetermined rate that affects machine cycle time.

Answer 6

clock speed

Question 7

clock speed is often measured in _______

Answer 7

gigahertz (GHz)

Question 8

gigahertz (GHz): billions of ______ per _______

Answer 8

cycles per second

Question 9

T/F: Many of today’s computers operate in the 1 to 6 GHz range.

Answer 9

F, 1 to 4

Question 10

invovles the simultaneous execution of two or more instructions at the same time

Answer 10

multiprocessing

Question 11

the simultaneous execution of the same task on multiple processors

Answer 11

parallel computing

Question 12

systems with thousands of processors that work on the same task, linking hundreds or even thousands of processors to operate at the same time

Answer 12

massively parallel processing systems

Question 13

the use of a collection of computers that work in a coordinated manner to solve a common problem

Answer 13

grid computing

Question 14

provides the CPU with a working storage area for programs and data

Answer 14

main memory

Question 15

rapidly provides data and instructions to the CPU

Answer 15

main memory

Question 16

the storage capacity for computer storage units in expressed in….

Answer 16

Bytes

Question 17

How much is in a Byte (B)?

Answer 17

eight bits that together represent a single character of data

Question 18

What are the two types of memory?

Answer 18

RAM and ROM

Question 19

RAM stands for

Answer 19

random access memory

Question 20

ROM stands for

Answer 20

Read only memory

Question 21

(RAM/ROM) is nonvolatile.

Answer 21

ROM

Question 22

(RAM/ROM) is temporary and volatile.

Answer 22

RAM

Question 23

a type of high-speed memory that a processor can access more rapidly than main memory.

Answer 23

cache memory

Question 24

T/F: ROM provides permenant storage for data and instructions that do change.

Answer 24

F, that do NOT change.

Question 25

devices that store large amounts of data, instructions, and information more permenantly than allowed with memory.

Answer 25

secondary storage

Question 26

T/F: the advantages of the memory over the seconday storage is nonvolatility, greater capacity, greater economy.

Answer 26

F, the advantages of the secondary storage

Question 27

T/F: the secondary storage is directly accessible by the CPU.

Answer 27

F, NOT directly accessible

Question 28

Name the 3 most common forms of secondary storage

Answer 28

magnetic, optical, solid state

Question 29

examples of magnetic secondary storage

Answer 29

Hard disk drive (HDD)

Question 30

examples of optical secondary storage

Answer 30

CD, DVD, Blu ray

Question 31

examples of solid state secondary storage

Answer 31

flash Drive (USB)

Question 32

An enterprise storage is a

Answer 32

large secondary storage

Question 33

Forms of enterprise storage:

Answer 33

Attached storage, Network-attached storage (NAS), Storage area networks (SANs), Cloud computing storage.

Question 34

which form of enterprise storage includes devices that are connected directly to a single computer?

Answer 34

attached storage

Question 35

which form of enterprise storage includes a hard disk drive that is set up with its own network address and provides file-based storage services to other devices on the network?

Answer 35

network-attached storage

Question 36

which form of enterprise storage includes a data storage model where a data storage device service provider rents space to indiviuals and organizations and rented data storage is accessed via the internet?

Answer 36

cloud computing storage

Question 37

examples of cloud computing storage

Answer 37

apple's icloud, dropbox. google drive, mozy, microsoft SkyDrive. and Amazon's Elastic Compute Cloud

Question 38

which form of enterprise storage includes a high speed special purpose network that integrates different types of data storage devices into a single storage system and connects that to computing resources across an entire organization?

Answer 38

Storage area networks (SANs)

Question 39

T/F: input/output devices are part of a computer's user interface.

Answer 39

t

Question 40

T/F: organizations should keep their buisness goals in mind when selecting input and output devices.

Answer 40

t

Question 41

what are the desired characteristics of input devices?

Answer 41

allow accurate and rapid entry

Question 42

what are the desired characteristics of output devices?

Answer 42

produce timely results

Question 43

Two-stage process of getting data into the computer system:

Answer 43

1- data entry 2- data input

Question 44

what happpens in the data-entry stage?

Answer 44

converting human-readable data to a machine-readable form

Question 45

what happens in the data-input stage?

Answer 45

transferring the machine-readable data into the system.

Question 46

T/F: many companies are using online data entry and input.

Answer 46

true

Question 47

T/F: A salesperson entering a sales order into the computer at the time and place the order was taken is an example of source data automation.

Answer 47

true

Question 48

T/F: source data automation ensures accuracy and timeliness.

Answer 48

true

Question 49

common personal computer input devices

Answer 49

keyboard and mouse

Question 50

speech-recognition technology, motion-sensing input devices, scanning devices, optical data readers, and Magnetic ink character recognition devices (MICR) are examples of

Answer 50

input devices

Question 51

Magnetic stripe cards, chip cards, smart cards, contactless payment cards, point-of-sale (POS) devices, ATM devices, Bar-Code devices, Radio Frequency Identificaiton (RFID) devices, pen input devices, touch screens are all examples of:

Answer 51

Input devices

Question 52

what are the two main types of printers?

Answer 52

laser and inkjet

Question 53

T/F: printers are used for general design work (blueprints, schematics, and drawings of buildings)

Answer 53

F, plotters

Question 54

a popular format for compressing a sound sequence into a very small file while preserving the original level of sound quality.

Answer 54

MP3

Question 55

What is the general classification of computer system types?

Answer 55

special-purpose, and general-purpose computers

Question 56

what are the two major groups of general-purpose computers?

Answer 56

single-user computers, and multiple-user computers

Question 57

an electronic device capable of storing and processing data is incorporated into a person's clothing or personal accessories.

Answer 57

wearable computers

Question 58

health tracking wrist bands and smart watches are examples of

Answer 58

wearable computers

Question 59

T/F: laptops are designed for use by mobile users.

Answer 59

true

Question 60

a computer employed by many users to perform a specific task, such as running network or internet applications.

Answer 60

server

Question 61

T/F: servers usually have special features that make it more suitable for operating in a multi-user enviorment.

Answer 61

true

Question 62

the ability to increase the processing capability

Answer 62

scalability

Question 63

a large powerful computer shared by hundreds of concurrent users connected to the machine over a network.

Answer 63

mainframe computer

Question 64

one the most powerful computer systems with the fastest processing speed.

Answer 64

supercomputers

Question 65

T/F: Scalability enable the system to handle more users, more data, more transactions.

Answer 65

true

Question 66

a room used to house a large number of servers.

Answer 66

server farm

Question 67

a method of logically dividing the resources of a single physical server to create multiple logical servers

Answer 67

virtual server

Question 68

T/F: each logical server acts as its own dedicated machine

Answer 68

true

Question 69

a server that houses many indiviual computer motherboards.

Answer 69

blade server

Question 70

T/F: a blade server shares a common power supply and air-cooling source within a single chassis

Answer 70

true

Question 71

a climate and access controlled building or a set of buildings that houses the computer hardware that delivers an organization's data and information services.

Answer 71

data center

Question 72

factors driving growth in data centers:

Answer 72

- demand for additional computing capacity - need for additional storage capacity

Question 73

T/F: the construction considerations of a data center include the ability to absorb the impact of a disaster and quickly restore services.

Answer 73

true

Question 74

a program concerned with the efficient and enviormentally responsible design, manufacture, operation, and disposal of IS-related products.

Answer 74

green computing

Question 75

what are the goals of green computing?

Answer 75

- reduce the use of hazardous material - allow companies to lower their power-related costs - enable safe disposal or recycling equipment

Question 76

a system that enables purchasers to evaluate, compare, and select electronic products based on a total of 51 enviormental criteria.

Answer 76

electronic product enviormental assessment tool (EPEAT)