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Question		Answer
GPS Global Positioning System start learning		navigation system
interactive whiteboard start learning		large touchscreen monitor used at school
assistive technology start learning		technology that helps people with disabilities for ex. screen reader
screen reader start learning		a program that reads aloud onscreen text, menus and icons
HMD head-mounted display start learning		headset used with virtual reality (helmet, googles)
virtual reality start learning		artifical enviroment of the latest video games
wireless network start learning		let you access the Internet without cables
technological dependence start learning		when computeras are down our way of life braks down, planes stop flying telephones don't work
electronic waste start learning		technology develops very quickly that we have to scrap computers when tehy become obsolete
computer addiction start learning		an inappropriate and excessive use of computers
cybercrime start learning		crime committed through internet
loss of privacy start learning		unauthorised use of personal data or reciving unwanted electronic messages
hardware start learning		any electronic or mechanical part of the computer that you can see or touch
software start learning		set of instructions called program, which tells a computer what to do
CPU (Central Processing Unit) start learning		the heart of the computer, a microprocessor chip which processes data and coordinates the activities of all the other units
main memory start learning		holds the instructions and data which are being processed by the CPU
RAM (Random Access Memory) start learning		computer memory available to the user for creating loanding or running programs
ROM (read only memory) start learning		computre memory in which program instructions, operating procedures are permanently sotred and cannot be changed by the user
peripherals start learning		physical units attached to the computer
input devices start learning		let us enter data and commands (e.g. the mouse, the keyboard)
output devices start learning		lt us extract the results (e.g. monitor, printer) ist the visible or audiable result of data processing
strorage devices start learning		are used to store information pernamently (e.g. hard disks)
ports start learning		allows communication between the computer and the devices
mainframe start learning		a large computer used for intensive data processing and often linked to many terminals
desktop start learning		a typical computer found in many businesses and popular for home use
laptop start learning		a portable computerthat can be closed up like a briefcase
TFT screen start learning		thin film transistor that produces very sharp images
touchpad start learning		sensitive pad that you can touch to move pointer
battery packs start learning		lats you use computer when there are no electrical outlets available
tablet PC start learning		a full-function PC, though it only weights 1.2kg
PDA start learning		a hand-held computer which can be used as telephone, a web explorer and personal organizer
hand-held devices start learning		small enough to be used or operated while being held in the hand
stylus start learning		a sepcial pen used with touch screen
touch screen start learning		touch-sensitive display screen on a computer or other electronic device
handwriting recognition start learning		recognizes characters written by hand
voice recognition start learning		recognizes spoken words
wireless start learning		having no wire, without cables
wearable computers start learning		a small computer thet fits into items of clothing
alphanumeric keys start learning		letters and numbers
numeric keypad start learning		appears to the right cointains numeric and editing keys
num lock start learning		is used to switch from numbers to editing functions
function keys start learning		top of keyboard can be programmed to special jobs
cursor keys start learning		arrow keys which move the insertion point, Home, End, Page Up
dedicated keys start learning		to issue commands or produce alternative characters
Ctrl start learning		changes the function of other keys
Caps Lock start learning		stes te keyboard in CAPITALS mode
Enter (Return) start learning		to select options from a menu to start a new paragraph
Backspace start learning		deletes the character to the left of your current position
voice-recognition system start learning		converts voice into text, you can dictate text directly onto your word processor or email program
scanner start learning		reads images and converts them into electronic codes which can be understood by computer
barcode scanners start learning		reads barcodes on the products sold in shops and sen the price to the computer
barcodes start learning		consist of a series of black and white stripes used to give products a unique indentification number
resolution start learning		measurment
optical character recogniotion start learning		allows to scan pages of text and save them into your word processor/ scans and identifies characters
flash memory start learning		tiny storage device/ retains information even if the power turned off
USB start learning		Universal Serial Bus
frames start learning		pictures
processor CPU Central Processing unit start learning		brain of computer
chips start learning		small piece of silicon with complex electrical circuit(integrated circuit) that executes instructions and coordinates activities of all the other units
control unit start learning		examinces instructions from memory and executes them
arithmetic ald logic unit (ALU) start learning		performs arithmetic and logical operations
register start learning		high-speed units of memory used to store and control data
motherboard start learning		main circuit board, contains the CPU, memory chips, expansion slots and controllers for peripherals
buses/paths start learning		connections which carries electronic signals in motherboard
expansion slots, cards start learning		give us extra functions
pintout start learning		the output on paper
printer driver start learning		is program installed to convert data into form that printer can understand
pint spooler start learning		stores files to be printed when the printer is ready, change order
resolution start learning		output quality (dpi)
ppm start learning		pages per minute
print server start learning		connects a printer to a network, enables users to share printing resources
dot-matrix printer start learning		uses a group or matrix of pins to create the precise dot
impact printing start learning		a head containing pins strikes an inkes ribbon to make letters
ink-jet start learning		generates an image by spraying tiny precise drops of ink onto the paper
cartrige start learning		a container thet holds the ink in an ink-jet printer
multi-function printers start learning		can work as scanners, printers, fax, photocopiers
laser printer start learning		uses a laser beam to fix the ink to the paper
page description language PDL start learning		a language that tells a printer how to print a document
imagesetter start learning		generates very high-resolution output
plotter start learning		draws detailed designs on paper

Living with computers

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