01 Basic architecture 02 Types of computers 03 Input devices 04 Output devices 05 Memory devices

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01  Basic architecture of a computer

Vocabulary

Definition Translation
aspect ratio
the width of the screen divided by its height poměr stran
brightness the amount of light produced by a monitor jas
candela the SI base unit of luminous intensity kandela
colour depth
the number of bits used to hold a colour pixel, it determines the number of colours the monitor can display barevná hloubka
contrast ratio a property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing
CRT Cathode Ray Tube katodová trubice
CTP computer to plate= an imaging technology in which DTP files are output directly to the printing plates
dot pitch the distance between dots on a monitor screen a printer that uses pins to print an array of dots
electron beam a group of nearly parallel lines of electromagnetic radiation elektronový svazek
ergonomics the branch of engineering science which studies the relation between workers and their environments ergonomie
flicker intermittent flashing blikání, kmitání
imagesetter a professional printer that generates a high-resolution output
inch a unit of length equal to 2.54 cm palec
ink cartridge a replaceable container that holds ink in an inkjet printer inkoustová náplň
inkjet printer a printer that generates an image by spraying tiny drops of ink at the paper inkoustová tiskárna
laser beam a beam of monochromatic coherent light laserový paprsek
laser printer a printer that uses a laser beam to fix the ink toner to the paper laserová tiskárna
LCD Liquid Crystal Display displej s tekutými krystaly, LCD
multi-function printer an all-in-one device that can function as a printer, scanner, photocopier and a fax multifunkční tiskárna
noble gases chemically inert gaseous elements of the helium group in the periodic table vzácné, inertní plyny
OLED
Organic Light-Emitting Diodes
page description language (PDL) a computer language that describes how to print the text and images on each page of the document jazyk pro popis stránky
PictBridge a technology developed by Canon that lets you print images from a memory card in a digital camera directly to the printer (without using a computer) PictBridge
pixel short for Picture Element, the smallest individual dot that can be displayed on a computer monitor obrazový bod, pixel
plasma an electrically charged gas that emits light plazma
plasma screen a display that generates images by a plasma discharge plazmová obrazovka
platesetter a machine creating the printing plates
plotter a graphics output device used to make engineering drawings plotr, kreslicí zařízení
printer driver a program installed to control a particular type of printer ovladač tiskárny
refresh rate the frequency at which the image is re-drawn on a display screen obnovovací frekvence
resolution the maximum number of pixels in the horizontal and vertical directions of the screen, number of pixels per inch rozlišení
thermal printer a printer that produces colour images by adhering wax-based ink onto the paper tepelná tiskárna
toner a special ink powder used in laser printers toner
video adapter an expansion card that processes images and sends the video signals to a monitor, video adaptér


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