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

Living with computers

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