Csc100.002 Final

Front 1

processing multiple instructions simultaneously, each at a different stage of the machine cycle

Back 1

pipelining

Front 2

representing a problem as a hierarchy of tasks and subtasks

Back 2

top down design

Front 3

the set of specific, sequential steps that exactly describe what a computer program must do to complete the work is know as

Back 3

algorithm

Front 4

a hub is a type of

Back 4

network navigation device

Front 5

actual programming of software code is done during the __________ step in the SDLC.

Back 5

development and documentation

Front 6

In an Ethernet network the component that acts like a traffic signal and amplifies/retransmits data signals within the network is a

Back 6

hub

Front 7

Claims to provide a social good by identifying vulnerabilities in a computer system. -- which type of hacker

Back 7

White hat

Front 8

A systems local bus runs between the

Back 8

CPU and main RAM

Front 9

the operating system of cell phones resides in

Back 9

ROM

Front 10

A bus' data transfer speed is determined by its

Back 10

Bus Width and clock speed

Front 11

________ viruses will be loaded into memory immediately when the computer starts up, even before virus detection software can load

Back 11

boot sector

Front 12

the ________ text system requires special input notation when you hand-write your input to a PDA

Back 12

graffiti

Front 13

The network architecture used in most home networks is

Back 13

Peer to Peer LAN

Front 14

Unlike viruses, worms do not

Back 14

replicate themselves

Front 15

Adding storage capacity to most PDAs requires the use of

Back 15

Flash Cards

Front 16

The main characteristic of a tablet PC is its

Back 16

advanced handwriting technology

Front 17

todays chips are composed of tens ofmillions of

Back 17

transistors

Front 18

In order to support mobile web browsing, phone companies, offering cell phone calling plans usually double as

Back 18

wireless ISPs

Front 19

Unicodes advantage over ASCII is that it

Back 19

supports character representation of many international languates

Front 20

the earliest electronic switches in computers were

Back 20

vacuum tubes

Front 21

the device contained within the system unit that converts binary data into the images that display on the monitor is called

Back 21

Video card

Front 22

if you wanta movile computing device that recognizes handwritten characters as a standard feature, your best option is a

Back 22

tablet pc

Front 23

unlike sms, mms provides capabilities for

Back 23

audio and video transmission

Front 24

the transmission medium with the highest bandwidth is

Back 24

fiber optic

Front 25

the category of virus that disguises itself by rewriting its code is called

Back 25

polymorphic

Front 26

chip is a common nickname for

Back 26

integrated circuit

Front 27

which of the following is most likely to be configured as a client-server local area network
all the computers in a national corp.
two connected computers
ten or more nodes in a business office
a wireless home network

Back 27

ten or more nodes in a business office

Front 28

a commonly used material that acts as a semiconductor for c omputers is

Back 28

silicon

Front 29

WML is a

Back 29

language for displaying web content on handheld devices

Front 30

Moores law is

Back 30

CPU capacity will double every 18 months

Front 31

hardware firewalls are typically built in as components of

Back 31

routers

Front 32

the operating system in a PDA is store in

Back 32

ROM

Front 33

By placing your PDA in a ______ you can connect it to the USB port of a desktop computer in order to synchronize files

Back 33

cradle

Front 34

In order to ensure that your anti-virus software is best able to identify and destroy the most recently created viruses you should

Back 34

us its auto update feature

Front 35

do tablet pcs include cd drives

Back 35

no

Front 36

the portion of the CPU that coordinates the activites of other components of the computer is the

Back 36

control unit

Front 37

______ is a technology that allows a PDA to obtain a subset of website info, often eliminating unnecessary graphics and link, in order to reduce bandwith and strage requirements

Back 37

web clipping

Front 38

a common method used by firewalls for maximizing the computer security is

Back 38

blocking access to logical ports

Front 39

a software program designed to preven unauthorized access to a computer system is called

Back 39

firewall

Front 40

a program that apears to perform a useful task but, in addtion, does something milicious in the background is called a

Back 40

trojan horse

Front 41

the __________ rate of digital conversion of music content will affect teh size and quality of the MP3 file

Back 41

sampling

Front 42

unlike a desktop or laptop computer, most PDAs do not include

Back 42

an internal hard drive

Front 43

mathematical calculations and comparison decisions are performed by the

Back 43

ALU

Front 44

The leaset expensive mobile communication device is a

Back 44

pager

Front 45

the category of operatig system that you most likely have running on your PDA computer is a _______ OS

Back 45

Single-user, single-task

Front 46

a flash card is an example of

Back 46

a non-volatile memory chip

Front 47

_____ viruses attach to multiple file types in order to escape detection

Back 47

multpartite

Front 48

The acronym ASCII stands for

Back 48

American Standard Code for Information Interchange

Front 49

Packet filtering and logical port blocking are common techniques used by ______ to protect computers on the internet

Back 49

firewalls

Front 50

The quality of music in an MP2 file, as well as its size, is impacted by the rate of ------ that was used during its creation

Back 50

sampling rate

Front 51

tye type of network adapter that is installed inside a computer as an expansion card is called a

Back 51

NIC

Front 52

a ------- network is one in which each computer can communicate directly with each other, with no central control in the network

Back 52

p2p

Front 53

the technology that allows text messaging in cellular phones is called

Back 53

SMS

Front 54

th emost common input device used for a tablet pc is a

Back 54

stylus; digital pen

Front 55

the general term for handheld computers such as the palm pilor or pocket pc is

Back 55

pda

Front 56

------ ports are quickly becoming the most common ports on computer today and are versatile enough to connect many types of peripheral devices

Back 56

USB

Front 57

a tablet pc or laptop can be placed in a ----- to make it easy to quickly connect to peripheral devices without the need to repeatedly insert cables into the computer's ports

Back 57

docks, docking station

Front 58

the microbrowser in a cell phone interprets web pages that are written in a language called

Back 58

WML

Front 59

the process of periodically transferring files between the PDA and the computer so that they are identical is called

Back 59

synchronization

Front 60

the data transfer rate of a transmission medium is also called

Back 60

bandwidth

Front 61

the circuitry that includes the cpu, memory chips and expansion slots is located on the

Back 61

motherboard

Front 62

bit refers to

Back 62

a 0 or 1 value

Front 63

the ability of an operating system to control the activites of multiple programs at the same time is called

Back 63

multi-tasking

Front 64

microsoft offices is an example of

Back 64

software suite

Front 65

the project originating the computer network that eventually evolved into the modern-day internet was called

Back 65

ARPANET

Front 66

the terms megahertz and gigahertz refer to the number of ----- per second that a cpu can perform

Back 66

machine cycles

Front 67

sortware that you can use for a trial period before paying for it is called

Back 67

shareware

Front 68

if you want to maximize the pseed at which web pages will be downloaded and displayed on your browser, the best internet connection option is

Back 68

ADSL

Front 69

managing hardware on the computer, providing an interface for users to interact with the computer, and controlling the adccess that paplication programs have to the Cpu are all taskes performend by

Back 69

the OS

Front 70

a NIC is used in conjuction with an

Back 70

ethernet port

Front 71

by managing the communications lines that make up the main transmission media of the internet, companies like att, spring and mci act as

Back 71

internet service prviders to end-users like you and me

Front 72

the category of software most appropriate for controlling the design and layout of complext documents like newsletters and brocures is

Back 72

desktop publishing

Front 73

the devices that allows computers to send datea along telephone lines is called

Back 73

modem

Front 74

which of the following internet-basec communication methods is most similar to conducting a private telephone conversation with a single person

Back 74

instant messaging

Front 75

which of the following is considered to be volatile storage

Back 75

RAM

Front 76

the brains of the computer which executes the instructions is called the

Back 76

cpu

Front 77

many computers inclue a restart button on the fron panel; pressing it will cause the system to perform a

Back 77

warm boot

Front 78

a set of four numbers separated by dots that identifies a computer on the internet is called

Back 78

ip address

Front 79

the main difference between application and system software is that

Back 79

system software manages hardware whereas application software performs tasks

Front 80

the following are all broadband connections except
dsl
dialup
isdn
cable

Back 80

dial up

Front 81

the follwoing internet connection options all use telephone lines except
dial up
isdn
dsl
cable

Back 81

cable

Front 82

what type of port sends data one bit at a time

Back 82

serial

Front 83

slide layouts and design templates are features of ---- software

Back 83

presentation

Front 84

the following tasks are all performed by productivity software except
spreadsheet modeling
word processing
personal info management
file compression

Back 84

file compression

Front 85

online retail web sites such as amazon.com fall into the ----- category of e-commerce

Back 85

b2c

Front 86

volatile storage refers to

Back 86

loss of data on the strage device when power is shut off

Front 87

which of the follwoing software products is the most appropriate for developing web pages
corel draw
arcsoft
macromedia dreamweaver
adobe pagemaker

Back 87

macromedia dreamweaver

Front 88

the instructions that a computer needs in order to start up are located in

Back 88

ROM

Front 89

the process of converting a digital computer signal into an analog telephone signal is called

Back 89

modulation

Front 90

if you want to exit out of a non-responding program, you can do this viea the ------ utility

Back 90

task manager

Front 91

which method of web searching involves starting with a major categories then narrowing in on successively more specific subcategoreis until finding a list of specific web sites

Back 91

subject directories

Front 92

software providers who develop many productivity tools may also provide stripped-down version sthat combine the simpler features of these tools bundled together

Back 92

integrated software application

Front 93

the term 56k when applied to modems refers to

Back 93

data transfer rate

Front 94

the term that refers to computers that provide resources to other computers in a network is

Back 94

server

Front 95

which of the following is an example of system software

Back 95

operating system

Front 96

there are - bits in a byte

Back 96

8

Front 97

which of the following ports is most likely to be used for connecting a pirnter to a computer

Back 97

parallel

Front 98

the general category of software that enables people in different locations to work together on common projects is called

Back 98

groupware

Front 99

a company that provides internet access is an

Back 99

ISP

Front 100

the cell address C5 indicats that the cell is in the ---row and --- column of the worksheet

Back 100

fifth, thrid

Front 101

a scientific institution performing intensive mathematical operation for a complex model that requires extremely poerful computer capabilities wiill most likely make use of

Back 101

supercomputer

Front 102

correct sequence of smallest to largest unit of storage

Back 102

kilo,mega,giga,tera,peta

Front 103

instructions and data that are about to be processed by teh CPU are located in

Back 103

RAM

Front 104

the program that controls the overall functioning of your ocmputer's hardware is called the -----

Back 104

operating system

Front 105

the term that refers to unwatned and unsolicited email messages, usually coming in the form of ads from companies is

Back 105

spam

Front 106

copyrighted software that is provided without charge usually over the internet is called

Back 106

freeware

Front 107

commercial web sites will often store text files called ------- on your computer to keep track of info regarding your purchasing activites

Back 107

cookies

Front 108

---- technology involves using input devices, including microphones and video camers, on computers in a network to enable rel-time communications in a "meeting" format when participants are geographically distant from each other

Back 108

videoconferencing

Front 109

- is a special purpose language that is used for creating web pages and that allows communication on the www

Back 109

HTML

Front 110

most productivity software tools proves -- to guide users in a step-by - step manner through performing complicated tasks

Back 110

wizards

Front 111

training prgrams that requre the student to operate in realistic or dangerous environments, such as teaching pilots to fly or people to operate complicated machinerty, utilze ----- techniques

Back 111

simulation

Front 112

the location where external devices connect to a computer is called a ------ of which there are many types, such as serial, parallel or USB

Back 112

port

Front 113

a kilobyte is approx --- bytes

Back 113

2^20 -- 1000

Front 114

each computer on the internet is assigne a unique identification number called an

Back 114

ip address

Front 115

== is the science that attempts to produce machines exhibiting human-level intelligence

Back 115

AI -- artificial intelligence

Front 116

with ----- dsl, the data transfer rate for uploading data is the same as the data transfer rate for downloading data

Back 116

symetrical

Front 117

the category of hardware that includes keyboards and mice is known as -- devices

Back 117

input

Front 118

what do computers do

Back 118

they are data processing devices -- they help organize sort and categorize data to turn it into information

Front 119

what are the computers 4 major functions

Back 119

1. gathering data (or allows users to input data) 2. it processes that data (performs calculations or some other maipulation of the data) 3. it outputs data or info (displays infor in a form suitable for the user 4. it stores data and info for later use

Front 120

what is the difference between data and information

Back 120

data is a representation of a fact or idea.
Info is data that has been organized or presented in a meaningful fashion -- information is more powerful than raw data

Front 121

what is the difference between application software and system software

Back 121

application software is the set of programs you use on a computer to help you carry out tasks
system software is the set of programs that enables your computer's hardware devices and application software to work together

Front 122

what are mainframes

Back 122

large expensive computers pecifically designed to provide services to hundreds or thousands of users at a time

Front 123

what are supercomputers

Back 123

computers designed to perform a small number of calculations as rapidly as possible

Front 124

what is a trackball mouse

Back 124

the rolerball sits on top or on the side of the mouse so you can move the ball with yoru fingers

Front 125

differenct between optical mouse and wireless mouse

Back 125

optical -- laser, or internal sensor
wireless -- batteries and send data to the computers via radio or light waves

Front 126

what is the difference between CRT and LCD monitors

Back 126

CRT -- cathode ray tube -- tv set monitor; curved screen, cheaper, high resolution, can be viewed at an angle and better color quality
LCD -- liquid crystal display -- flat screen, smaller, lighter and more energy efficient

Front 127

difference between impact and nonimpact printers

Back 127

impact -- hammer like keys that strike the paper through an inked ribbon
non impact -- spray ink or use laser beams to transfer marks on the paper -- inkjet and laser

also:plotters -- large printers for oversized pictures

thermal printers -- melting wax based ink or burning dots into specialty coated paper

Front 128

serial ports are

Back 128

ports that send data one bit at a time and are often used to connect modems to the computer

Front 129

parallel ports are

Back 129

ports that send data between devices in group sof bits at speeds of 500 Kbps and is therefore much faster than a serial port. often used to connect printers to computers

Front 130

connectivity ports are

Back 130

ports that give you access to networks and the internet and enable your computer to function as a fax machine
include modem and ethernet ports

Front 131

modem ports

Back 131

it uses a traditional telephone signal to connect two computers

Front 132

ethernet port

Back 132

slightly larger than a standard phone jack -- can connect your computer to a DSL/cable modem or a network

Front 133

computers volatile memory

Back 133

RAM -- located on the motherboard -- where all data and instructions are held when computer is running

Front 134

permanent type of memory

Back 134

ROM -- responsible for housing instructions to help start up the computer

Front 135

What is ergonomics

Back 135

how to arrange your computer and equptment to minimize your risk of injury or discomfort

Front 136

origin of the internet

Back 136

military officials developed the internet as a reliabel means of communication sin the event of war

Front 137

ADSL
SDSL

Back 137

Asymmetrical Digital Subscriber Line -- transmissions download (receive) data from the internet faster than they can upload (send)

Symmetical Digitcal Subscriber Line - upload and download data at the same speed

Front 138

URL

Back 138

Uniform Resource Locator -- composed of several parts -- protocol, host, top-level domain and occasionally paths (subdirectories)

Front 139

subject directory

Back 139

a structured outline of web sites organized by topics and subtopics

Front 140

Boolean operators

Back 140

words like and, not and or -- used to refine searches

Front 141

difference between listservs and newsgroups

Back 141

listservs- private
newsgroups - public

Front 142

productivity software

Back 142

brance of application software; include wordprocessing, spreadsheet, presentation, personal information management (PIM) and database programs

Front 143

shareware and freeware

Back 143

shareware - software that allows you to test sofware (limited time free of charge)
freeware - copyrighted software you can use for free

Front 144

utility programs

Back 144

programs that perform general housekeeping tasks for the ocputer, such as system maintenance and file compression

Front 145

four categories of operating systems

Back 145

Realtime OS - require no user intervention and are designed for systems with a specific purpose and response time (robotic machinery)
Single-user,single task OS: computers on which one user is performing one task at a time -- pdas
Single-user,multitask OSs; computers on which one user is performing more that one task at a time -- desktop computers
Multiuser OS -- are designed for systems in which multiple users are working on more than one task at a time

Front 146

GUI

Back 146

Graphical user interface -- display graphics and use the point and click technology of the mouse and cursor, making the OS more user friendly -- common features include windows, menus and icons

Front 147

device drivers

Back 147

facilitate the communication between devices attached to the computer and the OS -- translate the specialized commans of devices to commants that the OS can understand and vice versa, enabling the OS to communicate with ever device in the computer system

Front 148

APIs

Back 148

Application programming interfaces-- the OS includes the blocs of code to which software applications refer -- facilitating the interaction between OS and application software

Front 149

4 steps of boot process

Back 149

1. basic input/output system (BIOS) is activate by powering on the CPU
2. in the Power on self test (POST) test, the BIOS checks that all attached devices are in place
3. the operating system is loaded into RAM
4. Configuration and customization settings are checked

Front 150

Function of the CPU

Back 150

processes instructions, performs calculations, manages the flow of information through a computer system and is responsible for processing into info the data you input. -- composed of two units ALU(arithmatic logic unit) and control unit

Front 151

machine cycle

Back 151

process the cpu goes through to fetch, decode, execute and store data

Front 152

largest soure of nonvolatile memory

Back 152

hard drives

Front 153

amplified and unamplified speakers

Back 153

amplified -- external power
unamplified -- internal power

Front 154

port

Back 154

an interface through which wxternal devices connect to the computer

Front 155

IrDA port

Back 155

based on a standard developed by the Infrared Data Association for transmitting data -- enable you to transmit data between two devices by using infrared light waves

Front 156

Bluetooth

Back 156

uses radio waves to send data over short distances -- allows wireless transport of data

Front 157

MIDIport

Back 157

port that allows you to connect electronic musical instruments to your cmoputer (Musical Instrument Digital Interface)

Front 158

expansion cards

Back 158

allows additional ports to be connected to the computer -- install into a system unit -- (expansion hubs are similar yet connect to your system through aa port)

Front 159

what do networks allow users to do

Back 159

1. share peripherals
2. transfer files easily
3. share an internet connection

Front 160

difference between client server networks and peer to peer networks

Back 160

client server -- 10 or more nodes -- contains two types of copmuters -- a client which users accomplish specific taskes and a swerver that provides resources to the clients and central control for the network
peer to peer - each node of the network can communicate directly with ever other node instead of having a separate device exercies central control over the network -- most common -- in homes

Front 161

4 main components of every network

Back 161

1. transmission media to connect and establich sommunication between nodes
2. network adapters that allow the nodes on the network to communicate
3. network navigation devices that move data around the network
4. software that allows the network to run

Front 162

difference between powerline and phone line networks

Back 162

power line -- use the electrical wiring in your home to connect the nodes in the network
phoneline -- move data through the ntwork using conventional phone lines

both have low throughput and are more expensive than ethernet

Front 163

white hat hackers -- black hat hackers -- script kiddies

Back 163

white hat -- not malicious; exposing system
black hat -- want to destroy info or for illegal gain
script kiddies -- amateur hackers -- use tools created by skilled hackers that enable unskilled novices to wreak the same havoc as professionals

Front 164

what is a firewall

Back 164

a program designed to keep computers safe from hackers -- closes off invaders to logical ports

Front 165

WPA -- WEP

Back 165

wi-fi protected access
wired equivalent privacy -- both use encryption (a method of translating your data into code) to protect data in your wireless transmissions.

Front 166

SSID

Back 166

network name

Front 167

virus

Back 167

a program that attaches itself to another program and attempts to spread itself to other computers when files are exchanged

Front 168

bootsector virus

Back 168

replicate themselves into the MASTER BOOT RECORD on the hardrive

Front 169

logic bombs and time bombes

Back 169

logic-- viruses that are triggered when certain logical conditions are met, such as opening a file, booting your computer or accessing certain programs
time -- viruses that are triggered by the passage of time or on a certain date

Front 170

worms

Back 170

slightly different from viruses in that they attempt to travel between systesm through network connections to spread their infections. infect a host file and wait for that fil to be executed on another computer to replicate

Front 171

Script and Macro Viruses

Back 171

Script - lists of commands, actually mini programs, that are exectued without your knowledge, often used to perform useful legitimate function on web sites such as collecting names and address info
macro - attached to documents that use macros (a short series of commands that usually automates repetitive tasks)

Front 172

trojan horses

Back 172

do something unintended to the victim's computer -- while pretending to do something else

Front 173

polymorphic virus

Back 173

change their own code -- or rewrite themselves to avoid detection -- most infect on certain type of file ie .ese files

Front 174

mulipartite viruses

Back 174

designed to infect muliple file types in an effort to fool the antivirus software that is looking for them

Front 175

stealth viruses

Back 175

temporarily erase their code from the files where thye reside and hide in the active memory of the computer

Front 176

do pdas have built in hard drives

Back 176

no, but for memory needs beyond their built-in ram and rom, pdas use removale falsh memory

Front 177

switch

Back 177

electronic switches are devices inside the computer that flip between two stats -- 1 or 0 -- on or off. transistors are switches built out of layers of semiconductors. Integrated circuits are very samll regions of semiconductor material that suppor a huge numbers of transistors

Front 178

ASCII and Unicode

Back 178

ASCII code uses 8 bits to represent 255 characters -- Unicode uses 16 bits to represent 65,000 characters

Front 179

cache memory

Back 179

consists of small blocks of memory located directly on and next to the CPU chip that hold recently or frequently used instructions or data that the cup needs the most. the cpu can more quicly retrive data and instruction from cache than from ram

Front 180

bus

Back 180

an electrical wire in the computer circuitry through which data travels between the computer various components. Local bueses are on the motherboard and run between the cpu and the main system memory -- the width of the bus dtermines how many bits of data can be sent along a given bus at any one time.