computer

Difference between First Generation and Second Generation Computers

The major difference between First Generation and Second Generation Computers is that in First Generation computers Vacuum tubes were used as an internal component and they were very huge in size while in Second Generation Computers  Transistors were used as an internal component as they were smaller than first-generation computers.

First Generation Second Generation

Internal components

Vacuum tubes were used as an internal component. Transistors were used as an internal component.

Size

The size of the computer was very high. The size of the computer was smaller than the first generation called a minicomputer.

Speed

They were a low-speed computer. They were ten times faster than first-generation computers.

Main memory

It was in the form of a magnetic drum. The main memory was in the form of RAM and ROM.

Storage device

Magnetic tapes were used. The magnetic core technology was used.

Language

Machine language was used. Symbolic assembly language was used e.g. FORTRAN and COBOL.

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