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A ____ is an input device that collects specific data directly from the environment and transmits it to a computer. sensor. What is the definition of a softcopy?. data in electronic form. An output device must be used in order to view a softcopy. Printed output is referred to as a (an):.

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Slide1 l.jpg
A ____ is an input device that collects specific data directly from the environment and transmits it to a computer

  • sensor


What is the definition of a softcopy l.jpg
What is the definition of a softcopy? directly from the environment and transmits it to a computer

  • data in electronic form.

  • An output device must be used in order to view a softcopy.


Printed output is referred to as a an l.jpg
Printed output is referred to as a (an): directly from the environment and transmits it to a computer

  • Hardcopy


Pixel is short for l.jpg
Pixel is short for? directly from the environment and transmits it to a computer

  • Picture element


A converts a person s speech into digital signals l.jpg
A ____ converts a person’s speech into digital signals. directly from the environment and transmits it to a computer

  • Speech-recognition system





What factors affect screen clarity l.jpg
What factors affect screen clarity? is referred to as the

Dot pitch

Resolution

Color depth

Refresh rate


What is the definition of resolution l.jpg
What is the definition of resolution? is referred to as the

  • The number of pixels (dots) per square inch.


The smaller the the better the screen image l.jpg
The smaller the ___ the better the screen image. is referred to as the

  • Dot pitch


What type of monitor takes up less room on a desk l.jpg
What type of monitor takes up less room on a desk? is referred to as the

  • CRT or

  • Flat-panel display?

  • Flat-panel display


The higher the the better the screen image l.jpg
The higher the ____ the better the screen image. is referred to as the

  • Color depth

  • Resolution

  • Refresh rate


The number of times per second that the pixels are recharged so that their glow remains bright l.jpg
The number of times per second that the pixels are recharged so that their glow remains bright.

  • Refresh rate


The amount of information expressed in bits that makes up the color of a pixel is called l.jpg
The amount of information, expressed in bits, that makes up the color of a pixel is called?

  • Color depth


Monitors fit in one of two possible categories what are these categories l.jpg
Monitors fit in one of two possible categories. What are these categories?

  • CRT

  • Flat-panel display


Crt stands for l.jpg
CRT stands for? these categories?

  • Cathode Ray Tube



A flat panel display uses what type of technology l.jpg
A flat-panel display uses what type of technology these categories?

  • Liquid Crystal Display


The three types of flat panel display screens are l.jpg
The three types of flat-panel display screens are? these categories?

  • Active-matrix

  • Passive-matrix

  • Gas plasma


Slide21 l.jpg
With what type of flat-panel display screen is each pixel on the screen controlled by its own transistor.

  • Active-matrix display


How is the active matrix display screen and the passive matrix display screen different l.jpg
How is the active-matrix display screen and the passive-matrix display screen different?

  • With the active-matrix each pixel on the screen controlled by its own transistor and with the passive-matrix each row or column of pixels on the screen is controlled by one transistor.

  • The active-matrix screen is more expensive.

  • The active-matrix screen has a better image.


What type of flat panel display screen is least expensive l.jpg
What type of flat-panel display screen is least expensive? passive-matrix display screen different?

  • Passive-matrix


Image clarity of a printer is measured in what l.jpg
Image clarity of a printer is measured in what? passive-matrix display screen different?

  • dpi


Dpi stands for l.jpg
dpi stands for ? passive-matrix display screen different?

  • dots per inch


A sensor is l.jpg
A sensor is passive-matrix display screen different?

  • an input device that collects specific data directly from the environment and transmits it to a computer.


A printer fits in one of two categories what are those two categories l.jpg
A printer fits in one of two categories. What are those two categories?

  • Impact printer

  • Non-impact printer


The term non impact in reference to printers means what l.jpg
The term non-impact in reference to printers means what? categories?

  • It forms characters and images without direct physical contact between the printing mechanism and the paper



What are the types of impact printers l.jpg
What are the types of impact printers? called a (an)

  • Line printer

  • Dot-matrix


What are the types of non impact printers l.jpg
What are the types of non-impact printers? called a (an)

  • Laser

  • Ink-jet

  • thermal


What type of printer forms an image on paper by spraying small droplets of ink l.jpg
What type of printer forms an image on paper by called a (an)spraying small droplets of ink?

  • Ink-jet


Slide33 l.jpg
What type of printer uses a drum treated with magnetically charged toner in order to transfer an image onto paper?

  • laser


Slide34 l.jpg
What type of printer uses colored waxes and heat to produce images by burning dots onto special paper.

  • Thermal printer


What type of signal continuously varies l.jpg
What type of signal continuously varies? images by burning dots onto special paper.

  • Analog


What type of signal takes on one of two states l.jpg
What type of signal takes on one of two states? images by burning dots onto special paper.

  • Digital


What is the purpose of a modem l.jpg
What is the purpose of a modem? images by burning dots onto special paper.

  • To convert Digital Signals to Analog Signals & Back


Modem is short for l.jpg
Modem is short for images by burning dots onto special paper.

  • modulate/demodulate.


Sending modem does what l.jpg
Sending modem does what? images by burning dots onto special paper.

  • converts digital signals into analog signals for transmission over phone lines (i.e. modulates).


What type of modem demodulates i e converts analog signals back into digital signals l.jpg
What type of modem demodulates (i.e. converts analog signals back into digital signals.

  • Receiving modem


Slide41 l.jpg

The use of television video and sound technology to make it possible for people in different locations to see, hear, and talk with one another is called?

  • Videoconferencing


What is groupware l.jpg
What is Groupware ? possible for people in different locations to see, hear, and talk with one another is called?

  • Software that makes it possible for teams of co-workers to use networks of microcomputers to share information and to cooperate on projects.


Slide43 l.jpg
The term that refers to working at the office using telecommunication technology so that one can work at the office while at home.

  • Telecommuting


What does the term virtual office mean l.jpg
What does the term “Virtual Office” mean. telecommunication technology so that one can work at the office while at home.

  • An office that exists electronically and does not exist in a physical sense.


What type of signal does a digital television use tricky l.jpg
What type of signal does a digital television use? (tricky!) telecommunication technology so that one can work at the office while at home.

  • Digital signal


A digital signal consists of l.jpg
A digital signal consists of ? telecommunication technology so that one can work at the office while at home.

  • A series of 1’s and 0’s.



What are the three methods of wired communication l.jpg
What are the three methods of wired communication what two ways?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable


Between these three methods of wired communication l.jpg
Between these three methods of wired communication, what two ways?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one is least expensive?

  • Twisted-pair


Between these three methods of wired communication50 l.jpg
Between these three methods of wired communication, what two ways?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one is resistant to interference?

  • Fiber-optic cable


Between these three methods of wired communication51 l.jpg
Between these three methods of wired communication, what two ways?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one transmits data at the slower rate?

  • Twisted-pair


Insulated copper wire wrapped in a metal shield then in an external cover is called l.jpg
Insulated copper wire wrapped in a metal shield, then in an external cover is called?

  • Coaxial cable


Between coaxial cable and twisted pair wiring which one is more resistant to interference l.jpg
Between coaxial cable and twisted-pair wiring, which one is more resistant to interference?

  • Coaxial cable


Between coaxial cable and twisted pair wiring which one transmits data at a faster rate l.jpg
Between coaxial cable and twisted-pair wiring, which one transmits data at a faster rate?

  • Coaxial cable


Between these three methods of wired communication55 l.jpg
Between these three methods of wired communication, transmits data at a faster rate?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one transmits data at the faster rate?

  • Fiber-optic cable


Between these three methods of wired communication56 l.jpg
Between these three methods of wired communication, transmits data at a faster rate?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one is the most expensive?

  • Fiber-optic cable


Between these three methods of wired communication57 l.jpg
Between these three methods of wired communication, transmits data at a faster rate?

  • Twisted-pair

  • Coaxial cable

  • Fiber-optic cable

    which one is more secure?

  • Fiber-optic cable


What is the definition of a network l.jpg
What is the definition of a network? transmits data at a faster rate?

  • two or more computers connected together using communications equipment.


List some benefits of a network l.jpg
List some benefits of a network transmits data at a faster rate?

  • Peripheral devices can be shared.

  • Data and programs can be shared.

  • Makes communication easier.

  • Increases security


Wan stands for l.jpg
WAN stands for? transmits data at a faster rate?

  • Wide Area Network


Slide61 l.jpg
A transmits data at a faster rate?network that covers a large geographical area, such as a country or the world is the definition of a (an)?

  • WAN


Lan stands for l.jpg
LAN stands for? transmits data at a faster rate?

  • Local Area Network


What is the definition of a lan l.jpg
What is the definition of a LAN? transmits data at a faster rate?

  • A network connecting computers and devices in a limited geographical area. For example, within a building.


A central computer within a network that controls the network is called a l.jpg
A central computer within a network that controls the network is called a ___.

  • Host computer


What is a node l.jpg
What is a node? network is called a ___.

  • any device that is attached to a network.


What is a backbone l.jpg
What is a backbone? network is called a ___.

  • a high-speed network that connects smaller networks to the Internet.


What is the definition of a c lient l.jpg
What is the definition of a c network is called a ___.lient?

  • microcomputers that request data from a server.


A powerful computer that answers request from client computers is called a l.jpg
A powerful computer that answers request from client computers is called a ___.

  • server


When you check your email your email is sent from a l.jpg
When you check your email, your email is sent from a ____. computers is called a ___.

  • server (specifically a mail server)


Software and hardware used to block unauthorized users from accessing a network is called l.jpg
Software and hardware used to block unauthorized users from accessing a network is called ___.

A firewall


Slide71 l.jpg
An organization’s internal private network that uses the infrastructure and standards of the Internet and the web is called ?

  • Intranet


What is a peer to peer lan l.jpg
What is a peer-to-peer LAN infrastructure and standards of the Internet and the web is called ?

  • A network in which microcomputers communicate directly with one another without the use of a server.


Previous material to know for exam iii l.jpg
Previous material to know for exam III infrastructure and standards of the Internet and the web is called ?


What is the operating system l.jpg
What is the Operating System infrastructure and standards of the Internet and the web is called ?

  • Manages the basic operations of the computer.

  • A set of programs that manages the interaction between hardware and software

  • In order to run other programs, the OS loads these programs into memory.


Your computer s platform consists of what 3 things l.jpg
Your computer’s “platform” consists of what 3 things? infrastructure and standards of the Internet and the web is called ?

  • Memory

  • Processor (CPU)

  • Operating System


What is a user interface l.jpg
What is a “user interface” infrastructure and standards of the Internet and the web is called ?

  • The display on your computer screen that you use in order to interact with your computer.




What are the two types of user interfaces l.jpg
What are the two types of user interfaces? ____.

  • command-line

  • graphical (GUI)


The memory sizes in order from smallest to largest are l.jpg
The memory sizes in order from smallest to largest are ____.

  • Bit

  • Byte

  • Kilobyte

  • Megabyte

  • Gigabyte

  • Terabyte

  • Petabyte


What is a bit l.jpg
What is a bit? ____.

  • a 0 or a 1

    (no signal, signal)

    (no current, current)


What is a byte l.jpg
What is a Byte? ____.

A series of 8 bits.


A kilobyte is l.jpg
A Kilobyte is ____? ____.

210 Bytes

210 Bytes is approximately _____ Bytes?

103






The binary code that uses 8 bits and that is most widely used with microcomputers l.jpg
The ____.binary code that uses 8 bits and that is most widely used with microcomputers.

ASCII




A place to plug in additional circuit boards in order to increase a computer s capabilities l.jpg
A place to plug in additional circuit boards in order to increase a computer’s capabilities

Expansion slot


Processor speeds are measured in l.jpg
Processor speeds are measured in increase a computer’s capabilities

  • MHz – megahertz – million cycles per second

  • GHz – gigahertz – billion cycles per second

  • MIPS – Millions of Instructions Per Second

  • FLOPS - Floating-point Operations Per Second


What is a program l.jpg
What is a program? increase a computer’s capabilities

  • A list of instructions that a computer follows in order to carry out a task.


What is another word for program l.jpg
What is another word for “program”? increase a computer’s capabilities

  • software

  • executable file


What are the two categories of software l.jpg
What are the two categories of software? increase a computer’s capabilities

  • System software

  • Application software


The cpu consist of l.jpg
The CPU consist of: increase a computer’s capabilities

  • Control unit

  • ALU

  • Registers.


Slide97 l.jpg
___ is temporary storage (high-speed memory) that holds data and instructions that are used most frequently.

Cache


The two main categories of a computer system are l.jpg
The two main categories of a computer system are ? and instructions that are used most frequently.

  • Hardware

  • Software


What is hardware l.jpg
What is hardware? and instructions that are used most frequently.

All the machinery and equipment in a computer system

(Tangible)


What is software l.jpg
What is software? and instructions that are used most frequently.

All the instructions that tell the computer how to perform a task (Intangible)


System software consists of l.jpg
System software consists of ___? and instructions that are used most frequently.

  • Operating System

  • Utility Programs

  • Device Drivers


What is ram l.jpg
What is RAM? and instructions that are used most frequently.

Computer circuitry that temporarily holds data waiting to be processed and after it has been processed


What are some other names for ram that you may hear people say l.jpg
What are some other names for RAM that you may hear people say?

Primary storage

Primary memory

Memory

Temporary storage


Ram stand for l.jpg
RAM stand for ____? say?

Random Access Memory


What are the two categories of storage l.jpg
What are the two categories of storage? say?

  • Primary storage

  • Secondary storage


What is secondary storage l.jpg
What is Secondary Storage? say?

  • A device intended to permanently hold (store) data.




What is a web browser l.jpg
What is a web browser ? say?

software that enables users to view web pages


What is a url l.jpg
What is a URL? say?

a string of characters that represents a location of a specific piece of information located on a web server.


Url stands for l.jpg
URL stands for ____? say?

Uniform Resource Locator


The url consists of l.jpg
The URL consists of ____? say?

  • the web protocol

  • the name of the web server

  • the directory on that server

  • the file within that directory.


Given l.jpg
Given: say?

http://www.w3.org/Graph/SVG/index.htm

  • What is “www.w3.org” ?

    domain name

  • What is “Graph” ?

    folder name

  • What is “SVG” ?

    folder name

  • What is “index.htm” ?

    file sent over by the server that will be viewed through the browser


What is a protocol l.jpg
What is a protocol? say?

A program used by computers in order to communicate


What is html l.jpg
What is HTML? say?

language used for creating web pages

(not a programming language)


What is the world wide web l.jpg
What is the World Wide Web? say?

One use of the Internet encompassing all things (hardware, software, files) dealing with web pages.


What is the internet l.jpg
What is the Internet? say?

A global network of networks.


What does upload mean l.jpg
What does ‘upload’ mean? say?

to transfer a file from a local computer to a remote computer


What does download mean l.jpg
What does ‘download’ mean? say?

to transfer a file from a remote computer to a local computer


If you tend to have a lot of programs up and running simultaneously you will need a lot of l.jpg
If you tend to have a lot of programs up and running simultaneously, you will need a lot of ____ .

memory (RAM)


If you have a lot of large files music video pictures etc to store you will need a lot of l.jpg
If you have a lot of large files (music, video, pictures etc.) to store, you will need a lot of ____.

secondary storage (hard disk space)


What is microsoft s new operating system l.jpg
What is Microsoft’s new operating system? etc.) to store, you will need a lot of ____.

Vista


What is the new optical disk l.jpg
What is the new optical disk? etc.) to store, you will need a lot of ____.

Blu-ray (BD)


Referring to a hard disk drive l.jpg
Referring to a hard disk drive etc.) to store, you will need a lot of ____.

120GB (5400 RPM)


Referring to a processor l.jpg
Referring to a processor etc.) to store, you will need a lot of ____.

2.00GHz, 4MB L2, 667MHz FSB

2.00GHz – clock speed of processor Level 1 (L1) cache

Level 2 (L2) cache

FSB – Front-Side Bus speed


Keep learning l.jpg
Keep Learning etc.) to store, you will need a lot of ____.

Keep searching (but, check your sites carefully)

http://computer.howstuffworks.com/


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