Please read. *Computer Mouse was invented --Doglas Anglebart ( 1963 ). * Computer Keyboard Modifier buttons are -Shift ,Control, Alt. *Function Key buttons are - F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12. * OMR Means Optical Mark Recognition. * OMR is a Input device. * MICR Means Magnetic Ink Character Reader. * Optical Input Device is a Barcode Reader. * CCD means Charge Coupled Device.. * SCSI Means Small Computer System Interface. * Intel Pentium is a procecor.. * Not Removable Disk is Hard Disk. * One peta bite (PB) = 2^50 Bite = 1024 Tera bite (TB). * Blue Ray DVD Capacity is 100 Giga bite (GB). * DOS means Disk Operating System. * Three Finger Salute is Ctrl + Alt+ Del. * Mother of all Viras is CIS Viras. * Number of Keyboard Numeric Key -17. * Monitor is three kinds= CRT ,LCD ,LED. * Printer is a Offline Device. * Standard Mouse have 2/3 buttons. .........OBAYDUR RAHMAN
Posted on: Thu, 25 Dec 2014 19:06:50 +0000
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