Alert: You are not allowed to copy content or view source

Parts of a Computer

Parts of a Computer

For a system, to work it needs all the parts to work together and thus every part has its own importance.

Similarly, every part of a computer has its own importance. 

There are some primary parts of a computer such as a monitor, keyboard, mouse and CPU as well as some secondary parts such as a printer, scanner, speakers and headphones.

  class 2 parts of computer reading material

   

Primary Parts of a Computer

  • Keyboard:

It looks like a typewriter. With the help of small buttons called "keys", we can enter alphabets and numbers into the computer.  There are many types of keys in a computer such as alphabetic keys, numeric keys, space bar and enter key.

 

  class 2 parts of computer reading material

 

  • Monitor:

It looks like a TV screen. It displays all the information and work which is done inside the computer. You can watch movies and cartoons on it. It can be switched on and off with the help of the power button which at the bottom right corner of the monitor.

   class 2 parts of computer reading material

 

  • CPU:

It stands for the central processing unit. It is the brain of the computer. CPU connects all the parts of the computer and helps in completing different tasks. It is also known as the storehouse of the computer as it stores all the information. The power button on the CPU is used to turn the computer on.

 

class 2 parts of computer reading material

 

 

  • Mouse:

It is a pointing device attached to the computer. It looks like a real mouse with a long tail and moves quickly on the screen. It is used to point and select items on the computer screen. It is also used while playing games and making drawings.

 

  class 2 parts of computer reading material

 

Secondary Parts of the Computer

Other than the primary parts, there are some other parts also:

  • Printer:

It helps you to take your work on the paper. It means, the printer prints the same work that is shown on the monitor on the paper.

  class 2 parts of computer reading material

 

  • Speakers and headphones:

These are used to listen to recorded  songs, voice, speech and sounds in a computer.

  class 2 parts of computer reading material

 

  • Scanner:

It helps you to put your work and pictures into the computer. It scans the document and your work is entered into the computer.

  class 2 parts of computer reading material

 

  • UPS:

 It stands for uninterrupted power supply. It keeps the computer ON for sometimes when the electricity goes OFF.

 

  class 2 parts of computer reading material

Recap 

  • There are some primary as well as some secondary parts of a computer.
  • Primary parts of a computer are keyboard, monitor, mouse and CPU.
  • A keyboard is used to enter your work into the computer using the different keys.
  • A monitor is used to display the work going on inside the computer.
  • CPU is the brain of the computer and is used to store all the information.
  • Secondary parts of a computer are printer, scanner, speakers and headphones.
  • A printer is used to print your work displayed on the monitor.
  • A scanner is used to scan the document and put your work into the computer.
  • Speakers and headphones are used to listen to songs and other sounds.

Quiz for Parts of a Computer

Q.1

What is the keyboard shortcut to open 'Start'?

a)

Ctrl + Esc

b)

Ctrl + Shift

c)

Ctrl + S

d)

None of the above

Q.2

Which of the following image represents secondary storage device?

a)
b)
c)
d)

Q.3

Fill in the blanks: 'Ink-jet printers' or 'band printers' are classified as ______.

a) Character printer.
b) Line printers
c) Ink printers
d) Of band printer

Q.4

Which of the following is not a input device?

a)
b)
c)
d)

Q.5

Which of the following port is used for PS2 mouse or keyboard?

a)
b)
c)
d)

Q.6

Which unit in the CPU performs arithmetic and logical operation?

a) ALU
b) CU
c) Register
d) Cache

Q.7

Which of the following is not an output device ?

a)
b)
c)
d)

Q.8

The most advanced form of ROM is?

a) PROM
b) RAM
c) Cache memory
d) EEPROM

Q.9

Why secondary storage device is needed?

a) Store large volume of data that exceed the capacity of main memory.
b) Print output result
c) Store small volume of data
d) Perform arithmetic and logical operations

Q.10

Which one of the following medium is universal, portable, and inexpensive but has its own limitations in term of storage capacity and speed?

a)

Hard disk

b)

Pen drive

c)

Floppy disk

d)

Optical disk

Your Score: 0/10

Other Chapters of Class 1

  EXPLORE  

70%