This presentation introduces computers and their basic components. It defines a computer as an electronic device that processes information and requires programs to function. The key parts of a computer system are hardware and software. The presentation describes the main types of computers as desktops, laptops, servers, tablets, PCs, and Macs. It also outlines the five generations of computers from the first generation using vacuum tubes to the current fifth generation based on ultra-large-scale integrated microprocessors.

1. Welcome
To the Presentation
1
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2. International University of Business Agriculture & Technology
Prepared by:
Mst Jannatul Ara
ID: 13103030
Program: BCSE
2
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3. Topic
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Concept of Computer
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4. Contents of the Presentation
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Definition of computer
Computer Structure
Basic parts of computer system
Types of computer
Generations of computer
Conclusion
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5. 5
Definition of computer
Computer is an electronic device that is designed to work with
Information.
Computer can not do anything without a Program..
Charles Babbage is called the "Father" of the computer.
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6. Computer Structure
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Fig: Computer Structure

7. Basic parts of computer system
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All Types of computers consist of two basic parts:
Hardware
Software
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8. Types of computer
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There are five types of computers:
Desktop Computers
Laptop Computers
Servers
Tablet Computers
PCs and Macs
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9. Types of computer
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Desktop Computers: A desktop computer is
a personal computer that fits on or under a
desk. They usually consist of monitor, keyboard,
mouse.
Laptop Computers: A laptop computer that is
portable and suitable for use while traveling.
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10. Types of computer
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Servers: A server is a computer program that
provides services to other computer programs
(and their users) in the same or
other computers.
Tablet Computers: A tablet is a wireless,
portable personal computer with a touch
screen interface.
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11. Types of computer
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PCs: PC is short for personal computer or
IBM PC. The first personal computer produced
by IBM was called the PC.
Macs: Mac OS is the computer operating
system for Apple Computer's Macintosh line
of personal computers and workstations.
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12. Generations of computer
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 First Generation
The period of first generation: 1946-1959. Vacuum tube based.
Second Generation
The period of second generation: 1959-1965. Transistor based.
Third Generation
The period of third generation: 1965-1971. Integrated Circuit based.
Fourth Generation
The period of fourth generation: 1971-1980. VLSI microprocessor
based.
Fifth Generation
The period of fifth generation: 1980-onwards. ULSI microprocessor
based
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13. 13
Conclusion
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15. 15
Listen is gold and
speak is silver--
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