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ENAIC Moore's School of Electrical
UNIVACI Engineering,University of Pennsyvania.

Explain second generation computers in detail.

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Period Component used Access time Cost
1959 - 1965 Transistor Micro second Less than I Gen.cost

1. In the second generation computers, symbolic or assembly languages were used.

2. High-level programming languages were also in use at this time, such as early versions of COBOL and FORTRAN.

3. The memory storage used was magnetic core technology.

4. Second-generation computers still relied on punched cards for input and printouts for output.


  • Smaller in size
  • Better speed
  • Low power consumption
  • No heat was generated
  • Better storage capacity
  • More reliability
  • Compact Design
  • Faster than I Generation Computers. 


  • Needed Air conditioning environment
  • Constant maintenance needed.
  • No operating system

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