QUIZ 3

THE MOST COMMON AND VERY POPULAR INPUT DEVICE WHICH HELPS TO INPUT DATA TO THE COMPUTER.

A VERY FAMOUS CURSOR-CONTROL DEVICE HAVING A SMALL PALM SIZE BOX WITH A ROUND BALL AT ITS BASE, WHICH SENSES THE MOVEMENT OF THE MOUSE AND SENDS CORRESPONDING SIGNALS TO THE CPU WHEN THE MOUSE BUTTONS ARE PRESSED.

  THIS IS ALSO A POINTING DEVICE, WHICH IS USED TO MOVE THE CURSOR POSITION ON A MONITOR SCREEN. IT IS A STICK HAVING A SPHERICAL BALL AT ITS BOTH LOWER AND UPPER ENDS.

   IT IS A POINTING DEVICE SIMILAR TO A PEN.

AN INPUT DEVICE THAT IS MOSTLY USED IN A NOTEBOOK OR LAPTOP COMPUTER, INSTEAD OF A MOUSE. THIS IS A BALL WHICH IS HALF INSERTED AND BY MOVING FINGERS ON THE BALL, THE POINTER CAN BE MOVED.

A DEVICE USED FOR READING BAR CODED DATA. BARCODE READER

  AN INPUT DEVICE TO INPUT SOUND THAT IS THEN STORED IN A DIGITAL FORM.

AN INPUT DEVICE WHICH CONVERTS ANALOG INFORMATION INTO DIGITAL FORM.

  IT IS COMMONLY CALLED AS VISUAL DISPLAY UNIT.

REFERS TO A CLASS OF VIDEO DEVICES THAT HAVE REDUCED VOLUME, WEIGHT AND POWER REQUIREMENT IN COMPARISON TO THE CRT.