Question

Which of the following are the input devices used for computer system?

• A. Mouse, Keyboard, Magnetic tape, Speaker
• B. Mouse, Keyboard, Magnetic tape, Magnetic disk
• C. Mouse, Keyboard, Printer, Magnetic disk
• D. Mouse, Keyboard, Printer, Speaker

Answer 1

The correct option is B Mouse, Keyboard, Magnetic tape, Magnetic disk

Input unit controls various input devices which are used for entering data into the computer system. Keyboard and mouse, for instance, are the most commonly used input device. Other such devices are magnetic tape, magnetic disk, light pen, optical scanner etc.