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General Awareness for Competitive Exams – Generations of computer

General Awareness for Competitive Exams - Generations of computer,online classes for bank po preparation

General Awareness for Competitive Exams – Generations of computer

Today, we will be discussing the five generations of computers that have led to the development of the many computing devices that we use today.  It started with the vacuum tube circuitry and goes to the present day artificial intelligence (AI) systems and devices.

1st Generation Computer:

Period                                                                                                1940-1956

Circuitry                                                                                           Vacuum tube

Memory Capacity                                                                                 20 KB

Processing Speed                                                                      300 IPS inst. per sec.

Programming Language                                                            Assembly Language

Example of computers                                                                UNIVAC, EDVAC


2nd Generation Computer:

Period                                                                                               1956-1963

Circuitry                                                                                            Transistor

Memory Capacity                                                                                128KB

Processing Speed                                                                                300 IPS

Programming Language High-level language

Example of computers                                               IBM 1401, CDC 3600, D UNIVAC 1108


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3rd Generation Computer:

Period                                                                                               1964-1971

Circuitry                                                                                    Integrated chips (IC)

Memory Capacity                                                                               1MB

Processing Speed                                                              1MIPS (1 million inst. per sec.)

Programming Language                                                                     C, C++

Example of computers                                                         IBM 360 series, 1900 series


4th Generation Computer:

Period                                                                                               1971-present

Circuitry                                                                                   Microprocessor (VLSI)

Memory Capacity                                                           Semiconductor type and very high

Processing Speed                                                                   Faster than 3rd generation

Programming Language                                                                  C, C++, Java

Example of computers                                                  Pentium series Multimedia, Stimulation


5th Generation Computer:

Period                                                                                         Present & beyond

Circuitry                                                          ULSI (Ultra Large Scale Integration technology)

Memory Capacity                                                                        VLSI and ULSI

Processing Speed                                                                                Very fast

Programming Language                                                    All the Higher level languages

Example of computers                                                     Artificial Intelligence, Robotics


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