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Saturday, June 24, 2017

Computer Study Notes: History and Generation of Computers

History and Generations is an important chapter of Computer Awareness for Bank Exams. Computer awareness is a section in upcoming NICL AO Mains and it is also a section in the mains examination of IBPS RRB, IBPS PO and IBPS Clerk exams. Last year many questions in IBPS Examination were from this topic History and Generations, so aspirants must also prepare this along with other topics. You can find more study notes on computer terms asked in recent bank exams and start your preparation.

1. In 1822, Charles Babbage conceptualized and began developing the Difference Engine, considered to be the first automatic computing machine.

2. Then after almost a decade, Charles Babbage proposed the first general mechanical computer, the Analytical Engine. The Analytical Engine contained an Arithmetic Logic Unit (ALU), basic flow control, and integrated memory concept and is the first general-purpose computer.

3. In 1946, ENIAC- Electronic Numerical Integrator and Computer was the first electronic general-purpose computer. It was the first large-scale computer to run at electronic speed without being slowed by any mechanical parts. And it was invented by J.Presper Eckert and John W. Mauchly. 

4. Douglas Engelbart invented the first computer mouse.

5. First computer with RAM - MIT introduces the Whirlwind machine, a revolutionary computer that was the first digital computer with magnetic core RAM and real-time graphics.

6. The first minicomputer - In 1960 Digital Equipment Corporation released its first of many PDP computers the PDP-1.

7. The first laptop - First Laptop was introduced in 1981 by Adom Osborne and the company “EPSON” manufactured first Laptop.

The following table categorises generations of computers and other important factors associated with the generations. 

4 comments:

  1. Thank you for providing valuble information about Generation of computers

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