Wireless mouse communicates through? Microwaves Radio waves Infra red wave Electromagnetic signal None Which keyboard key we use to make characters either upper or lower case? ESC Shift Return Both a & c None Which of the following is/are input devices? Scanner Track ball Touch screen All of the above None The use of tab key in the keyboard is? To move a cursor across the screen To move the cursor down the screen Both a & b To indent a paragraph None What is the full form of LED? Light Emitting Diode Liquid Emitted Diode Both a & b Light Emitter Diode None Previous Start Quiz Next Time's up Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
