History of Computers Pdf Download

History of Computers Pdf Download

History of Computers Pdf Download, History & Generation of Computers pdf, History of Personal Computers PDF.

PDF NameHistory of Computers Pdf Download
No. of Pages35
PDF Size1.83 MB
PDF CategoryEducation & Jobs
Published/UpdatedDecember 13, 2022
Source / Creditsmypdf,in
Uploaded ByMyPdf

History of Computers Pdf Download

If you searching for the History of Computers Pdf Download then you are in right place.

Definition of Computer

  • A computer is a programmable machine.
  • A computer is a machine that manipulates data according to a list of instructions.
  • A computer is any device that aids humans in performing various kinds of computations or calculations.

1. Tally Sticks

A tally stick was an ancient memory aid device to record and document numbers, quantities, or even messages.

2. Abacus

  • An abacus is a mechanical device used to aid an individual in performing mathematical calculations.
  • The abacus was invented in Babylonia in 2400 B.C.
  • The abacus in the form we are most familiar with was first used in China in around 500 B.C.
  • It used to perform basic arithmetic operations.

3. Napier’s Bones

  • Invented by John Napier in 1614
  • Allowed the operator to multiply, divide and calculate square and cube roots by moving the rods around and placing them in specially constructed boards.


  • ENIAC stands for Electronic Numerical Integrator and Computer.
  • It was the first electronic general-purpose computer
  • Completed in 1946.
  • Developed by John Presper Eckert and John W. Mauchl.


  • The UNIVAC I (UNIVersal Automatic Computer 1) was the first commercial computer.
  • Designed by J. Presper Eckert and John Mauchly.


  • EDVAC stands for Electronic Discrete Variable Automatic Computer
  • The First Stored Program Computer
  • Designed by Von Neumann in 1952.
  • It has a memory to hold both a stored program as well as data.

7. The First Portable Computer

  • Osborne 1 – the first portable computer.
  • Released in 1981 by the Osborne Computer Corporation.

8. The First Computer Company

  • The first computer company was the Electronic Controls Company.
  • Founded in 1949 by J. Presper Eckert and John

Computer Generations

There are five generations of computer:

  • First generation – 1946 – 1958
  • Second generation – 1959 – 1964
  • Third generation – 1965 – 1970
  • Fourth generation – 1971 – today
  • Fifth generation – Today to future

So, don’t delay and download the PDF from the link given below.

You can download the History of Computers Pdf Download at the link given below:

Report This: If you have any problem with this pdf such as broken link/copyright material please feel free to contact us.