Computer Input and Output Devices Quiz

A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called

• Output device

• Input device

• Memory

• Both a and b

Which device allows you to enter data and instructions into a computer?

• Input device

• Output device

• ALU

• CPU

Which of the following is not a pointing device?

• Mouse

• Joystick

• Light pen

• Digitizer

Which input device is used for input text, numbers, and commands to the computer?

• Mouse

• Keyboard

• Scanner

• All of the above

The number of function keys in a keyboard is

• 14

• 12

• 13

• 15

Wireless mouse communicates through

• radiowaves

• infrared wave

• microwaves

• Electromagnetic signal

Which of the following are not input devices?

• Webcam and Microphone

• Bar Code Reader and Smart Card Reader

• Optical Character Reader and Optical Mark Recognition

• Monitor and Printer

The OCR stands for

• Outsized Character Reader

• Optical Character Reader

• Operational Character Reader

• Only Character Reader

A projector is an _ _ _ _ _ _ device that can take images generated by a computer and reproduce them on a large, flat surface.

• input

• output

• input and output

• monitor

The number of pixels displayed on the computer screen is called

• color depth

• resolution

• refresh rate

• viewing size