Which of the following is not an input device ?AOCRBCOM ( Computer Output to Microfilm )CVoice recognition deviceDOptical scannersসঠিক উত্তর:B.COM ( Computer Output to Microfilm )শেয়ার :Share on FacebookShare on WhatsAppShare on Telegram
১The basic operations performed by a computer areArithmetic operationLogical operationStorage and relativeAll of themবিস্তারিত
২The two major types of computer chips areExternal memory chipPrimary memory chipMicroprocessor chipBoth B and Cবিস্তারিত
৪Storage capacity of magnetic disk depends ontracks per inch of surfacebits per inch of tracksdisk pack in disk surfaceAll of themবিস্তারিত
৫The two kinds of main memory are :Primary and secondaryRandom and sequentialROM and RAMAll of themবিস্তারিত
৮The output quality of a printer is measured byDot per sq. inchDot per inchDots printed per unit timeAll of themবিস্তারিত
৯Which of the following storage devices can store maximum amount of data?Floppy DiskHard DiskCompact Diskmagneto Optic Diskবিস্তারিত