Which of the following is not an input device?, VDU, Keyborad, Monitor, Light Pen, A light-sensitive device that converts the printed text, drawing, or other images into digital form is called, Plotter, Printer, Scanner, OMR, Which device has the limitation that we can only read it but cannot modify or erase it?, Floppy Disk, Hard Disk , Tape Drive, Compact disk, Sometimes the mouse pointer moves erratically. This is because of?, IRQ setting is not proper, The virus in the system, Mouse ball is dirty, The driver is not installed properly, The resolution of Laser Printers are specified in terms of ?, CPM, PPM, DPI, LPM.

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