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TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
Affiliated Institution of G.G.S.IP.U, Delhi
Introduction to Computers and I.T
(20107)
Generations of Computers
By:-
Charanpreet Kaur
Assistant Professor
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
As early as the seventeenth
century, mathematicians
were trying to create a
machine that could perform
basic mathematical
functions
such as, addition,
subtraction, division and
multiplication.
Invention of Computer
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
Generation of Computers
I. First Generation (1946-59)
II. Second Generation(1957-64)
III. Third Generation(1965-70)
IV. Fourth Generation(1970-90)
V. Fifth Generation(1990 till date)
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
First Generation Computers
1951-1959
• Characterized by vacuum tubes which burned
out very rapidly.
• The first generation of computers used
machine language or 0s and 1s.
• This generation also
used magnetic tape.
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
The ENIAC (Electronic Numerical Integrator
and Computer) was unveiled in 1946.
ENIAC weighed 30 tons
contained 18,000
vacuum tubes
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
Second Generation Computers
1959-1963
The second generation
of computers used
transistors for the
internal operations.
They used magnetic core
for the memory.
These machines used
assembly language.
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
Second generation computer machines were
based on transistor technology.
Second generation computers were smaller as
compared to the first generation computers.
 They were more
portable and
generated less amount
of heat.
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
• These computers used
integrated circuits on silicon
chips.
• They were characterized with
high-level programming
languages which required logic
such as BASIC, Pascal, C, COBOL,
and Fortran
Third Generation Computers
1963-1975
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
• IC used
• More reliable and Faster
• Smaller size
• Generate less heat
• Lesser maintenance
• Still costly
• A.C. needed
• Consumed lesser electricity
• Support high-level language
The main features of Third Generation are:
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
• These computers use microprocessor chips.
• Object-Oriented Programming (OOP) Languages
such as Visual Basic, and JAVA are
characteristic of this computer generation.
• The fourth generation of computers is marked
by the use of Very Large Scale Integrated
(VLSI) circuits. VLSI circuits having about
5000 transistors and other circuit elements
and their associated circuits on a single chip
made it possible to have microcomputers of
fourth generation.
Fourth Generation Computers
1970-1990
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
• VLSI technology used
• Very cheap
• Portable and reliable
• Use of PC's
• Very small size
• Pipeline processing
• No A.C. needed
• Concept of internet was
introduced
The main features of Fourth Generation are:
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
• The period of Fifth Generation is 1980-till
date.
• In the fifth generation, the VLSI technology
became ULSI (Ultra Large Scale Integration)
technology, resulting in the production of
microprocessor chips having ten million
electronic components.
Fifth Generation Computers
1990 till date
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75
 This generation is based on
parallel processing hardware and
AI (Artificial Intelligence)
software.
 All the higher level languages
like C and C++, Java, .NET, etc.,
are used in this generation.
TRINITY INSTITUTE OF PROFESSIONAL STUDIES
Sector – 9, Dwarka Institutional Area, New Delhi-75

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Introduction to Computers and I.T- Generations of Computers

  • 1. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Affiliated Institution of G.G.S.IP.U, Delhi Introduction to Computers and I.T (20107) Generations of Computers By:- Charanpreet Kaur Assistant Professor
  • 2. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 As early as the seventeenth century, mathematicians were trying to create a machine that could perform basic mathematical functions such as, addition, subtraction, division and multiplication. Invention of Computer
  • 3. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75
  • 4. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Generation of Computers I. First Generation (1946-59) II. Second Generation(1957-64) III. Third Generation(1965-70) IV. Fourth Generation(1970-90) V. Fifth Generation(1990 till date)
  • 5. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 First Generation Computers 1951-1959 • Characterized by vacuum tubes which burned out very rapidly. • The first generation of computers used machine language or 0s and 1s. • This generation also used magnetic tape.
  • 6. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 The ENIAC (Electronic Numerical Integrator and Computer) was unveiled in 1946. ENIAC weighed 30 tons contained 18,000 vacuum tubes
  • 7. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Second Generation Computers 1959-1963 The second generation of computers used transistors for the internal operations. They used magnetic core for the memory. These machines used assembly language.
  • 8. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Second generation computer machines were based on transistor technology. Second generation computers were smaller as compared to the first generation computers.  They were more portable and generated less amount of heat.
  • 9. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 • These computers used integrated circuits on silicon chips. • They were characterized with high-level programming languages which required logic such as BASIC, Pascal, C, COBOL, and Fortran Third Generation Computers 1963-1975
  • 10. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 • IC used • More reliable and Faster • Smaller size • Generate less heat • Lesser maintenance • Still costly • A.C. needed • Consumed lesser electricity • Support high-level language The main features of Third Generation are:
  • 11. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 • These computers use microprocessor chips. • Object-Oriented Programming (OOP) Languages such as Visual Basic, and JAVA are characteristic of this computer generation. • The fourth generation of computers is marked by the use of Very Large Scale Integrated (VLSI) circuits. VLSI circuits having about 5000 transistors and other circuit elements and their associated circuits on a single chip made it possible to have microcomputers of fourth generation. Fourth Generation Computers 1970-1990
  • 12. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 • VLSI technology used • Very cheap • Portable and reliable • Use of PC's • Very small size • Pipeline processing • No A.C. needed • Concept of internet was introduced The main features of Fourth Generation are:
  • 13. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 • The period of Fifth Generation is 1980-till date. • In the fifth generation, the VLSI technology became ULSI (Ultra Large Scale Integration) technology, resulting in the production of microprocessor chips having ten million electronic components. Fifth Generation Computers 1990 till date
  • 14. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75  This generation is based on parallel processing hardware and AI (Artificial Intelligence) software.  All the higher level languages like C and C++, Java, .NET, etc., are used in this generation.
  • 15. TRINITY INSTITUTE OF PROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75