Computer Hardware MCQ Questions and Answers
( Input, Output & Processing Devices MCQs )
1. Any physical components of a computer system that we can see and touch is ?
A. CPU
B. Software
C. Hardware
D. Peripheral device
C. Hardware
2. Which of the following is not hardware ?
A. Java
B. Mouse
C. Processor chip
D. Printer
A. Java
3. Which of the following is primarily responsible for converting input (data) into meaningful output (information)?
A. CPU
B. RAM
C. Storage device
D. Input and Output device
A. CPU
4. Which of the following is a lever that can be moved in several directions to control the movement of an image on a computer monitor or similar display screen ?
A. Joystick
B. Optical Mark Reader
C. Visual Display Unit
D. MIDI Devices
A. Joystick
5. Which of the following produces the best quality graphics reproduction?
A. Dot matrix printer
B. Plotter
C. Inkjet printer
D. Laser printer
B. Plotter
6. A displays information in visual form, using text and graphics.
A. Monitor
B. Keyboard
C. Printer
D. CD
A. Monitor
7. Which of the following are the most common input devices ?
A. Keyboard and mouse
B. Scanner and monitor
C. Digital camera and speakers
D. Microphone and printer
A. Keyboard and mouse
8. Which of the following statements is incorrect regarding the input devices of a computer?
A. It converts the input data into digital form.
B. Data entered through the keyboard is transferred directly to the Memory Data Register (MDR).
C. Mouse is an input device.
D. They are used to send data to the computer.
E. None of the above
B. Data entered through the keyboard is transferred directly to the Memory Data Register (MDR).
9. Which of the following devices can perform both input and output functions?
A. communication device
B. keyboard
C. mouse
D. trackball
A. communication device
10. The place where accessories are connected in computer is known as
A. Port
B. Ring
C. Bus
D. Zip
A. Port