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      ICT Terminology

carpal tunnel syndrome (CTS)- a pain, weakness, and numbness in the thumb and fingers. It is the most common ergonomic-related injury in North America.

collaboration- striving towards a goal that allows everyone to contribute her or his strengths, whereby teamwork works better and problems are solved sooner.

competencies- knowledge, skills, and behaviours that can help you do things well. It can be used to measure and communicate your abilities, strengths, and weaknesses.

ergonomics- the study of workers' interactions with their working environment.

freecycling- a new alternative to bringing unwanted items to a landfill by trading

CHAPTER 2

BIOS- a computer program that includes instructions allowing the CPU to interface with other hardware devices before the operating system is loaded.

bits- the smallest units of data a computer can use, with a value of 0 or 1.

bus- a set of conductor wires that transport data among components inside the computer through an electric path.

bytes- the units of memory neede to store one character equivalent to eight bits of binary code.

cache- a fast storage area in the central processing unit of a computerthat staores recently accessed data.

CDs(compact discs)- small, round, plastic discs on which information such as audio, video, text, and other data can be stored and retrieved in digital form.

client/server network- a computer network arrangement that designates one computer the leader (server) of all other computers in the network, and which the clients communicate with each other through the server.

command-driven interface- an interface in which a user enters commands by keying them in.

conductor wires- wires that supply electronic paths for the trnsport of data between the components of the computer.

CPU- the main computer chip that processes instructions, calculates data, and manages the flow of information in the computer.

data- raw, unprocessed information such as numbers, characters, or symbols.

decode- translate or interpret data into ordinary language.

desktop- the primary screen users see as soon as they start their computer or when they have turned the computer on but have not opened any software applications.

directory- an index of computer files in storage, typically containing the file names and file-related information.

document- information input by users through a software-application program.

drive bays- slots in the computer case where disk drives are housed.

DSL (Digital Subscriber Line)- a technology allowing high-speed data tranfer over ordinary copper telephone lines using special modems.

DVDs (Digital Versatile/Video Discs)- optical discs that can store 4.7 GB of digital information.

execute- perform or process instructions of a CPU.

expansion cards- components that plug into the motherboard of a computer and contain chips that add new features of a computer.

expansion slots- sockets on the motherboard into which expansion cards can be added.

floppy disks- thin, square, magnetized flexible platesused for storing data.

folder- a user-created electronic compartment or directory in which information or documents.

functions- for microprocessors, the input, storage, processing, and output of computers.

gamepads- input controls used to control video games; varations include game controllers, joystick, or paddles.

gigahertz (GHz)- a unit of frequency equal to one billion cycles per second or one thousand megahertz.

graphic cards- a component that gives a computer that ability to display and reproduce graphics.

graphic tablets- sorts of poiting devices usually used by graphic designers and artists, involving the use of a special pen that moves the cursor and provides some programmable features when used with a specialized software packages.

GUI (graphical user interface)- a way of communicating with computers using graphical images.

hard drive- the primary storage device on a computer used to save the operating system, applications, and data.

hardware- the phisical parts of a computer system, containing any peripheral equipment such as printers, modems, and mice.

hub- a central device that attach several computers or networks together and allows the computers in a network to share information.

icon- the small picture on a computer screen that symbolizes software or funcions, activated by clicking it with a mouse.

information- data that has been processed so that it can be understood and used for decision. input- interface- LAN (local area network)- megahertz (MHz)-