Question

what are the different generation of computer. write any four features of each​

Answer 1

Answer:

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Explanation:

Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system.

There are five computer generations known till date. Each generation has been discussed in detail along with their time period and characteristics. In the following table, approximate dates against each generation has been mentioned, which are normally accepted.

Following are the main five generations of computers.

1 First Generation The period of first generation: 1946-1959. Vacuum tube based.

2 Second Generation The period of second generation: 1959-1965. Transistor based.

3 Third Generation The period of third generation: 1965-1971. Integrated Circuit based

1972 – 2010: Fourth Generation – Microprocessors.

Answer 2

Answer:

1st Generation computers:

• Use of vacuum tubes to make circuits.

• Huge in size and poor in mobility.
• Very slow and less reliable output.
• Very small amount of storage space.

2nd Generation computers:

• Magnetic core memory.
• Two's complement, floating point arithmetic.
• Reduced the computational time from milliseconds to microseconds.
• High level languages.

3rd Generation Computers:

• Integrated circuits instead of individual transistors.
• Smaller, cheaper, more efficient and faster than second generation computers.
• High-level programming languages.
• Magnetic storage.

4th Generation computers:

• The fourth generation computers have microprocessor-based systems.
• It uses VLSI (Very Large Scale Integrated) circuits.
• They are the cheapest among all the computer generation.
• The speed, accuracy and reliability of the computers were improved in fourth generation computers.

5th Generation computers:

• Advancement in Parallel Processing.
• Advancement in Superconductor technology.
• More user-friendly interfaces with multimedia features.
• Availability of very powerful and compact computers at cheaper rates.

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