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1. WELCOME
TO OUR PRESENTATION
ON
INTRODUCTION & EVOLUTION OF
COMPUTER

2. Prepared by

3. Submitted toSubmitted to
Shoma Khanom
Nasir Mahmud
Somir Mustak
Md. Robiul Islam

4. INTRODUCTION OF
COMPUTER
INTRODUCTION OF
COMPUTER

5. WHAT IS A
COMPUTER?
WHAT IS A
COMPUTER?
 A computer is a
programmable machine
that receives input, stores
and manipulates data,
and provides output in a
useful format.

6. WHAT IS A COMPUTER SYSTEM?
OUTPUT
MEMORY
INPUT PROCESSING

7. Laptop Computer
Workstation
Supercomputer
Palmtop Computer
Personal Data Assistant
TYPES OF COMPUTER

8. EVOLUTION OF COMPUTERS

9. FIRST GENERATION COMPUTERS
1. Use of vacuum tubes
2. Big & Clumsy
3. High Electricity
Consumption
4. Programming in
Mechanical Language
5. Larger AC were needed
6. Lot of electricity failure
occurred

10. 1. Transistors were used
2. Core Memory was
developed
3. Faster than First
Generation computers
4. First Operating System was
developed
5. Programming was in
Machine Language &
Assembly Language
6. Magnetic tapes & discs
were used
7. Computers became smaller
in size than the First
Generation computers
8. Computers consumed less
heat & consumed less
electricity
SECOND GENERATION COMPUTERSSECOND GENERATION COMPUTERS

11. THIRD GENERATION COMPUTERS
 Integrated circuits
develop
 Power consumption
was low
 SSI & MSI
Technology was
used
 High level
languages were
used

12. FOURTH GENERATION COMPUTERSFOURTH GENERATION COMPUTERS
1. LSI & VLSI Technology
used
2. Development of Portable
Computers
3. RAID Technology of data
storage
4. Used in virtual reality,
multimedia, simulation
5. Computers started in use
for Data Communication
6. Different types of
memories with very high
accessing speed & storage
capacity

13. FIFTH GENERATION COMPUTERS
1. Used in parallel
processing
2. Uses
superconductors
3. Used in speech
recognition
4. Used in intelligent
robots
5. Used in artificial
intelligence

14. THE
FUTURE
The future promises advanced technology in
computing. Faster, smarter and more
affordable.
The future promises advanced technology in
computing. Faster, smarter and more
affordable.

15. Society and the Past of Computing:
Telecommuting
Since the word was first coined
over 20 years ago, telecommuting
has grown to be an increasingly
viable alternative work structure
that not only increases
productivity but lowers operating
costs and worker turnover as well.
Advantages
• Greater employee retention and lower turnover
• Reduces traffic congestion and taxes for road
repair and new highway construction
• Reduces absenteeism
• Reduces pollution
Disadvantages
• Requires greater discipline and self-motivation
• Greater number of distractions at home
• Reduced on-site interaction with clients
and coworkers

16.  Artificial Intelligence - Computer
brains that become self-teaching
and self-thinking.
 Cloning - Duplication of cells and
DNA to create an exact copy of an
organic being.
 Cybernetics - The union of the
organic and inorganic.
 Virtual reality - All-encompassing
computerized micro worlds for
business and entertainment.
What does the Future Hold for
Computers and Society?

18. THANK YOU