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BUILDING
BLOCK
DIAGRAM
OF COMPUTER
1
C. P. Divate
BUILDING BLOCK DIAGRAM OF
COMPUTER
 Also called anatomy structure, architecture
diagram of computer
 Structure diagram consists of input devices,
processing units and output devices.
 Computer also has system that makes
computer to run smooth
 There are three units in building a computer.
2
7/28/2017
Fig: Building Blog Diagram of Computer
7/28/2017
1. INPUT UNIT
Used to receive data and instruction from
users
Converts the data and instructions to
machine readable code.
Common input devices are keyboard,
mouse, joystick, scanner, etc.
4
7/28/2017
FUNCTIONS OF INPUT UNIT
Accept - the data and instructions from
outside world.
Convert - it to a form that the computer can
understand.
Supply - the converted data to the computer
system for further processing.
5
7/28/2017
2. PROCESSING UNIT
 It is the brain of the computer.
data,
CPU performs actual processing of
according to instructions from programs.
Consists of three parts: Memory Unit, Control
Unit And Arithmetic Logic Unit (ALU)
6
7/28/2017
 Memory unit: place where data and
instructions are stored during processing
period. Popular memory are RAM and ROM.
Control unit: It controls the entire system of
computer.
It makes proper sequence to direct the input
data and instructions to memory toALU.
It also controls signals to various parts of
computer.
It also transfer result from ALU to memor
7y
and then to output devices.
7/28/2017
Arithmetic Logic Unit: comprises
number of register on its constructions.
All data from memory gets loaded in
ALU.
It performs various arithmetic and logical
operations of the programs.
7/28/2017
3. OUTPUT UNIT
Computer provides information and results of
computation to the outside world through
output unit.
The output unit consists of one or more output
devices.
 Some output devices are:
 Monitor
 Printer
 Speaker
9
7/28/2017
THANK
YOU
7/28/2017
10

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Study of Computer Hardware System using Block Diagram

  • 2. BUILDING BLOCK DIAGRAM OF COMPUTER  Also called anatomy structure, architecture diagram of computer  Structure diagram consists of input devices, processing units and output devices.  Computer also has system that makes computer to run smooth  There are three units in building a computer. 2 7/28/2017
  • 3. Fig: Building Blog Diagram of Computer 7/28/2017
  • 4. 1. INPUT UNIT Used to receive data and instruction from users Converts the data and instructions to machine readable code. Common input devices are keyboard, mouse, joystick, scanner, etc. 4 7/28/2017
  • 5. FUNCTIONS OF INPUT UNIT Accept - the data and instructions from outside world. Convert - it to a form that the computer can understand. Supply - the converted data to the computer system for further processing. 5 7/28/2017
  • 6. 2. PROCESSING UNIT  It is the brain of the computer. data, CPU performs actual processing of according to instructions from programs. Consists of three parts: Memory Unit, Control Unit And Arithmetic Logic Unit (ALU) 6 7/28/2017
  • 7.  Memory unit: place where data and instructions are stored during processing period. Popular memory are RAM and ROM. Control unit: It controls the entire system of computer. It makes proper sequence to direct the input data and instructions to memory toALU. It also controls signals to various parts of computer. It also transfer result from ALU to memor 7y and then to output devices. 7/28/2017
  • 8. Arithmetic Logic Unit: comprises number of register on its constructions. All data from memory gets loaded in ALU. It performs various arithmetic and logical operations of the programs. 7/28/2017
  • 9. 3. OUTPUT UNIT Computer provides information and results of computation to the outside world through output unit. The output unit consists of one or more output devices.  Some output devices are:  Monitor  Printer  Speaker 9 7/28/2017