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COMPUTER
1. Introduction Of Computer2. Generation Of Computer
3. Types Of Computers4. Devices of computer
5. Hardware and Software6. Central Processing Unit (CPU)
7. Memory devices
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Computer:-
Software concern
Government & Private office
Banks
Deportment stores.
Electric BillsTicket Booking
Computerized
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1.INTRODUCTION OF COMPUTER
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C Commonly O Oriented
M Machine
P Properly U Used for
T Training
E Education R ResearchCommon oriented machine personally used
for trade, education and research.
Expansion of Computer
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What is Computer
Computer is an Electronic Machine,that process the input data according
to the given instruction & gives output
as a result.It also saves the result for future use.
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Who is father of computer
Born: 1791 AD
Died: 1871 AD, at 79 years of age.
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2.GENERATION OF COMPUTER
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1. Use of vacuum tubes
2. Big & Clumsy
3. High Electricity Consumption
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1. Transistors were used
2. Core Memory was developed3. Faster than First Generation computers
4. First Operating System was developed
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1. Integrated circuits developed
2. Power consumption was low3. SSI & MSI Technology was used
4. High level languages were used
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1. LSI & VLSI Technology used
2. Development of Portable Computers
3. RAID Technology of data storage
4. Used in virtual reality, multimedia, simulation
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1.Used in intelligent robots
2.Used in artificial intelligence
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Types of computer
Type ofcomputer
Digitalcomputer
MicroComputer
Main frameComputer
SuperComputer
MiniComputer
Analogcomputer
HybridComputer
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4.Devices of Computer
Two Types Of Devices
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Software
Set Of Programs
HardwareThe PhysicalComponents
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5 CENTRAL PROCESSING UNIT
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5.CENTRAL PROCESSING UNIT :
(CPU)
It is also called the brain of the
computer. It is mainly divided
into three categories:
Arithmetic & logic Unit (ALU)
Control Unit (CU)
Memory Unit (MU)
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What two numbers are used in Binary Code?0 and 1
They are each called a BIT
8 BITS make a BYTE1 BYTE makes a letter or number
KILOBYTE = 1,024 bytes
MEGABYTE = 1,048,576 bytesGIGABYTE = 1,024 megabytes
TERABYTE = 1,024 gigabytes
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There are mainly two types of memory
Primary Memory
Secondary Memory
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RAM: RAM stands for Random Access Memory.
ROM: ROM stands for Read Only Memory.
Primary Memory
S d M
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Secondary Memory
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COMPONENTS OF THE CPU
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Motherboard RAM
ROMCMOS battery
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Processor SMPS & Connecting wire
DVD/CD R-WFloppy Drive
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Graphics Card
Sound Card
Hard disk