DATA SCIENCE-1

LIGHT PEN USES THIS TECHNIQUE TO DETECT THE DATA

• MAGNETIC FIELD

• LIGHT SENSING DETECTOR

• KEY COMBINATIONS

BAR CODE READER IS A TYPE OF

• POINTING OBJECT

• MNEMONICS

• IMAGE SCANNER

ALU AND CU ARE KNOWN AS

• SECONDARY MEMORY

• READ ONLY MEMORY

• CENTRAL PROCESSING UNIT -CPU

STEP BY STEP PROCESSING IN THE COMPUTER IS TAKEN CARE BY...

• ALU

• CONTROL UNIT

• RANDOM ACCESS MEMORY

AN EXAMPLE OF SCANNER IS ...

• TOUCH SCREEN

• LIGHT PEN

• OCR

THE OTHER NAME OF FLAT PANEL MONITOR IS...

• CRTs

• VACCUUM TUBE MONITOR

• LCDs

THE SPEED OF THE DOT MATRIX PRINTER IS MEASURED IN...

• CPS

• MPS

• DPS

WRITE SHORT NOTE ON PLOTTERS?

_______________ARE THE PROGRAMS THAT BRIDGE THE GAP BETWEEN THE FUNCTIONALITY OF AN OS AND THE USER.

____________CONVERTS HIGH LEVEL LANGUAGE INTO MACHINE LEVEL LANGUAGE

• ASSEMBLER

• COMPILER

• AUXILLARY UNIT