Class 6 Chapter 2 Introduction to Computer Hardware

 Class 6 Chapter 2 Introduction to Computer Hardware

5. Answer the following questions.

a. What is input hardware? Name any four input hardware.

Ans: The devices that are used to input data and instructions into the computer are called input devices. Example: Keyboard, Mouse, Scanner, Joystick. b. Name various keys found on a keyboard.

Ans: The various keys found on a keyboard are:

i) Alphanumeric Keys

ii) Control Keys

iii) Function keys

iv) Navigation keys

v) Numeric Keypad

c. Write down the functions of the mouse.

Ans: The functions of the mouse are:

i) Move the mouse cursor

ii) Open or execute a program

iii) Select

iv) Drag-and-drop

v) Hover

vi) Scroll

d. Define output hardware with its examples.

Ans: The devices that are used to give output or information from the computer are called output hardware. Example: Monitor, Speaker, Printer

e. Define the types of monitors.

Ans: The different types of monitors are:

CRT Monitor, LCD Monitor, LED Monitor f. Mention any two advantages of LED monitor.

Ans: The different advantages of the LED monitors are:

i) It is typically less expensive and more reliable.

ii) It can run at a lower temperature and consume less power. g. What is a printer? Name some printers.

Ans: A Printer is a hardcopy output device that is used to print text, graphics, and images normally on paper. Example: Dot-Matrix printer, Inkjet Printer, Ledger Printer. h. Why is the monitor called a softcopy output and the printer called a hard copy output hardware?

Ans: The monitor shows the information or output (pictures, text) in a visual format so it is also called Softcopy output.

The printer is used to give output on the paper and it is permanent so it is called hardcopy output. i. Write some advantages of laser printers.

Ans: Some advantages of laser printers are:

i) It has a very high speed and it is more efficient.

ii) It produces high-quality output.

iii) It is quiet and does not produce any sound.

iv) It can produce the colour print. j. Define light pen, joystick, and drum printer.

Ans:

Light Pen :

A light pen is an input device with a light-sensitive pointer that is used to input and draw a picture on the screen of the computer.

Joystick:

The joystick is also an input device of a computer it is mainly used to play computer games.

Drum printer:

A drum printer is a type of printer which consist of a solid, cylindrical drum that has raised characters in bands on its surface.