GENERATION OF COMPUTERS
The first computer was the ENIAC as it used the concept of Modern Computers. After this, computers went through various Generations of development that led to changes in the computer industry till we got the computers of today. Let we recall the different Generations by which the computer went through.
| S.No. | Generations | Parts used | Feature | Examples |
| 1 | First Generation (1942-1955) | Electronic Vacuum Tubes | · Very Large and expensive
· Produced a lot of heat and were slow · Used Machine Language to do work · Used Punched cards for storage |
UNIVAC
ENIAC IBM 701 |
| 2 | Second Generation (1956-1964) | Transistors | · Cheaper & more reliable
· Produced lesser het and worked faster · Used High Level Language like FORTRAN and COBOL to work · Magnetic disk started being used for storage |
IBM 7090
IBM 7094 ICL 1901 |
| 3 | Third Generation (1965-1975) | Integrated Circuits | · Small in size and less costly
· Better reliability and speed · Used other languages like BASIC to do work |
IBM 370
HP 2100 |
| 4 | Fourth Generation (1976 onwards) | LSI & VLSI Circuits | · Operating System concept started
· Smaller, cheaper and worked faster and used a Microprocessor · Development in software to use User-Friendly Graphical Interfaced systems · Used Floppy Disks and other devices to store data |
Personal Computers Like ICL 2900
HP 9845 |
| 5 | Fifth Generation | Micro-processors | · Accepts Instructions and Commands by voice
· Interprets it on own to carry out the work |
Super Computer |
