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Data Communication
Assignment on
Components of a Computer
Presented by
Md.Ruhul-Amin
Id.1834902146
Definition of Computer
A computer is a device that accepts information (in the form of digitalized data) and manipulates it for
some result based on a program, software, or sequence of instructions on how the data is to be processed.
Some main Components of a Computer
● A motherboard
● A central Processing Unit (CPU)
● A Graphics Processing Unit (GPU), also known as a video
● Storage
Motherboard
All components of a computer communicate through a circuit board called the
motherboard, as was mentioned above.
Central Processing Unit (CPU)
he CPU is often called the "brain" of a computer, thanks to its direct plug connection to the motherboard,
and communication with all of the computer’s other components.
Random Access Memory (RAM)
RAM, also known as volatile memory, stores data regarding frequently accessed programs and
processes. (It's called volatile memory because it gets erased every time the computer restarts.)
Storage Devices
The hardware components that can be used to store data, commands, and information permanently for
future use are called storage devices. Some important storage devices are the floppy disk drive, Zip
drive, hard disk drive, CD-RW drive, DVD-ROM drive, etc.
Input Devices
A hardware component that enables a user to enter data and instructions to a computer is called an input
device. These devices are used to feed information or provide control signals to the computer. Keyboard,
mouse, microphone, scanner, digital camera, and PC camera are the most common input devices.
Output devices
A hardware component that is used to display the result of the processing to the user is called an output
device. The major output devices are a monitor, printer, and speaker. In addition, LCDs and LEDs are
also used to display output. Modern technology is the base of these output devices.

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1834902146(a- 1)

  • 1. Data Communication Assignment on Components of a Computer Presented by Md.Ruhul-Amin Id.1834902146
  • 2. Definition of Computer A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program, software, or sequence of instructions on how the data is to be processed.
  • 3. Some main Components of a Computer ● A motherboard ● A central Processing Unit (CPU) ● A Graphics Processing Unit (GPU), also known as a video ● Storage
  • 4. Motherboard All components of a computer communicate through a circuit board called the motherboard, as was mentioned above.
  • 5. Central Processing Unit (CPU) he CPU is often called the "brain" of a computer, thanks to its direct plug connection to the motherboard, and communication with all of the computer’s other components.
  • 6. Random Access Memory (RAM) RAM, also known as volatile memory, stores data regarding frequently accessed programs and processes. (It's called volatile memory because it gets erased every time the computer restarts.)
  • 7. Storage Devices The hardware components that can be used to store data, commands, and information permanently for future use are called storage devices. Some important storage devices are the floppy disk drive, Zip drive, hard disk drive, CD-RW drive, DVD-ROM drive, etc.
  • 8. Input Devices A hardware component that enables a user to enter data and instructions to a computer is called an input device. These devices are used to feed information or provide control signals to the computer. Keyboard, mouse, microphone, scanner, digital camera, and PC camera are the most common input devices.
  • 9. Output devices A hardware component that is used to display the result of the processing to the user is called an output device. The major output devices are a monitor, printer, and speaker. In addition, LCDs and LEDs are also used to display output. Modern technology is the base of these output devices.