→ Living With Computers → Empezar lección / Descargar tarjetas en MP3

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

Living with computers

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