Input and Output Devices of Computer

Q1. What type of device is a touchpad on a laptop?

• (a)

  Input Device

• (b)

  Output Device

• (c)

  Storage Device

• (d)

  Processing Device

Q2.Which combination of devices is commonly used together for interacting with a computer system ?

• (a)

  Microphone and Printer

• (b)

  Mouse and Speaker

• (c)

  Keyboard and Monitor

• (d)

  Touchpad and headphones

Q3. Who is the invertor of Qwerty Keyboard Layout?

• (a)

  Vinod Dham

• (b)

  Dr.Engelibart

• (c)

  Track ball

• (d)

  Sir Christopher Latham Sholes

Give an example of an input device.

• printer

• monitor

• keyboard

• mouse

Q5. How many keys are commonly used on the keyboard?

• (a)

  103

• (b)

  102

• (c)

  104

• (d)

  110

Q6. What is computer system made up off?

• (a)

  Hardware only

• (b)

  Software only

• (c)

  Both hardware and Software

• (d)

  Neither hardware nor software

Q7.Which component of a computer system is often referred to as the "brain" of the computer?

• (a)

  Monitor

• (b)

  Keyboard

• (c)

  CPU(Central Processing Unit)

• (d)

  RAM (Random Access Memory)

Q8.What is the function of an input device in a computer system ?

• (a)

  Display Visual information

• (b)

  Produces sound output

• (c)

  Inputs data or commands into the computer

• (d)

  Stores data programs

Q9. Which of the following types of scanners is commonly used for scanning documents and images?

• (a)

  Flatbed scanner

• (b)

  Barcode scanner

• (c)

  Drum scanner

• (d)

  3Dscanner

Q10. How many buttons a mouse has in computer?

• (a)

  one or two

• (b)

  three or four

• (c)

  two or three

• (d)

  four to five