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Lesson 2
Input Output Processing & Storage
Term | Definition |
---|---|
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 |