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Lesson 2

Input Output Processing & Storage

TermDefinition
TRACKBALL A POINTING DEVICE ON A LAPTOP
LIQUID CRYSTAL DISPLAY A DISPLAY SCREEN THAT USES AN ELECTROKINETIC FLUID
KEYBOARD THE MOST POPULAR AND COMMON WAY OF INPUTTING DATA INTO THE COMPUTER
MAGNETIC SCANNER A SCANNER THAT READS INFORMATION ON THE BACK OF CREDIT CARDS
JOYSTICK A MOVEABLE ROD TO INPUT DIFFERENT DIRECTIONS INTO THE COMPUTER
DIGITIZER SCANNER A SCANNER THAT CONVERTS SHAPES, PICTURES, AND SO ON, INTO NUMBERS FOR STORAGE
INK-JET PRINTER A PRINTER THAT USES A MINIATURE NOZZLE TO SPRAY LIQUID INK ON PAPER
OPTICAL CHARACTER READER AN INPUT DEVICE THAT CAN READ NUMBERS, LETTERS, AND SYMBOLS DIRECTLY FROM A TYPED, PRINTED OR HANDWRITTEN PAGE
PLOTTER WHICH OUTPUT DEVICE IS USED TO DRAW MAPS, PRODUCE ARTWORK, OR DRAY ANY TYPE OF LINE USING PENS
THERMAL PRINTER WHICH TYPE OF NONIMPACT PRINTER PRODUCES IMAGES ON SPECIAL HEAT-SENSITIVE PAPER
TOUCH DISPLAY SCREEN A TYPE OF DISPLAY SCREEN THAT ALLOWS USERS TO USE THEIR FINGERS AS A POINTING DEVICE
CD-ROM A READ-ONLY RANDOM ACCESS DEVICE CAPABLE OF STORING HUGE AMOUNTS OF DATA
MAGNETIC TAPE A SEQUENTIAL ACCESS INPUT, OUTPUT, & STORAGE MEDIUM IN WHICH RECORDING IS DONE MAGNETICALLY BY A METHOD SIMILAR TO THAT USED BY A CASSETTE TAPE RECORDER
MONITOR THE CATHODE-RAY TUBE (CRT) SCREEN THAT DISPLAYS INFORMATION PROCESSED BY THE COMPUTER
BAR CODE SCANNER A SCANNER THAT READS UNIVERSAL PRODUCT CODE (UPC) BARS PRINTED ON A PRODUCT
WORM A WRITE-ONLY DEVICE THAT CAN STORE HUGE AMOUNTS OF DATA TO A SINGLE CD
MAGNETIC INK CHARACTER RECOGNITION A SCANNER DESIGNED TO READ DATA PRINTED IN MAGNETIC INK WITH SPECIALLY DESIGNED NUMBERS & SYMBOLS
SPEECH RECOGNITION DEVICE AN INPUT DEVICE THAT ENABLES THE COMPUTER TO RECOGNIZE & RESPOND TO VOICE COMMANDS
BAND/CHAIN PRINTERS IMPACT PRINTERS THAT WERE USED FOR MANY YEARS ON MAINFRAME COMPUTERS THAT CAN PRINT AT SPEEDS RANGING FROM 150-3000 LINES PER MINUTES ON CONTINUOUS FORM PAPER
GRAPHICS TABLET A FLAT DRAWING SURFACE CONNECTED TO THE COMPUTER, ON WHICH THE USER CAN DRAW GRAPHIC FIGURES
OPTICAL MARK READER A SCANNER THAT SENSES THE PRESENCE OR ABSENCE OF MARKS MADE BY REGULAR PENCIL OR PEN ON SPECIALLY DESIGNED FORMS
MAGNETIC DISK A RANDOM-ACCESS INPUT, OUTPUT, AND STORAGE MEDIUM IN WHICH RECORDING IS DONE MAGNETICALLY BY A METHOD SIMILAR OT THAT USED BY A CASSETTE TAPE RECORDER
LASER PRINTER A TYPE OF NONIMPACT PRINTER THAT PERMITS NEAR-TYPESET QUALITY TEXT AND HIGH-RESOLUTION GRAPHICS TO APPEAR ON THE SAME PAGE
MOUSE A POINTING DEVICE ON A PERSONAL COMPUTER
CACHE MEMORY A HIGH-SPEED MEMORY USED TO RETRIEVE INSTRUCTIONS AND DATA DURING THE PROCESSING CYCLE
DOT-MATRIX PRINTER AN IMPACT PRINTER THAT PRODUCES IMAGES FROM AN ARRANGEMENT OF DOTS
SOUND SYNTHEIZER A DEVICE CONNECTED TO A COMPUTER THAT ENABLES IT TO GENERATE SPEECH & MUSIC
Created by: awatsonatgold