The document discusses the basic blocks of a computer system. It describes the input unit which includes keyboards, mice and other input devices that feed data into the system. The output unit is described as including monitors, printers and other devices that display or output results. The central processing unit is explained as containing the arithmetic logic unit for calculations, the control unit for managing the system, and memory for temporary and permanent data storage.

1. Block Diagram of
Computer
Mr. B.S. Mandloi
(Dept. of Computer Science)
Pragya Sagar College, Pachore

2. Today we Learn

3. Keyboard
Mouse
Joystick
Light pen
Etc.
Monitor
Printer
Plotter
Speaker
Etc.
ALU
CU
MEMORY

4.  This block is used to feed data, fact and instruction in
computer system and also converting data in machine
understandable format.
 There several devices used in this unit such as-
Keyboard, Mouse, Scanner, Light Pen , Joysticks,
Touch panel ,digitalize tab, track ball etc.

5.  This block is used to show or out result and information
from computer system and also converting data in user
understandable format.
 There several devices used in this unit such as –
Monitor, Printer, Plotter, Speaker etc

6.  ALU- Arithmetic & logical Unit is a main function
unit in computer system which perform arithmetic and
logical operation.
 CU- Control Unit is another management part of CPU
that control all activity of computer system.
 Memory- Memory is storage part in computer system
which store data in temporary or permanent basis.

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