![]() |
Dynabook |
Tuesday, November 15, 2011
The design of laptop was proposed by......
Posted on 11:36 AM by Unknown
The invention of Laptop came from idea to develop a portable computer. Mr.Alan kay of XEROX Palo Alto Research Centre firstly proposed about the notebook-sized portable computer which should be available for everyone and named that portable computer as Dynabook. At that time only he envisioned Dynabook with wireless capabilities.
Wednesday, November 2, 2011
The first transistor computer
Posted on 6:23 AM by Unknown
The first computer with RAM
Posted on 6:20 AM by Unknown
The first PC (IBM compatible) computer
Posted on 6:13 AM by Unknown
On April 7, 1953 IBM publicly introduced the 701, its first electric computer and first mass produced computer. Later IBM introduced its first personal computer called the IBM PC in 1981. The computer was code named and still sometimes referred to as the Acorn and had a 8088 processor, 16 KB of memory, which was expandable to 256 and utilizing MS-DOS.
Categories:
The first computer company
Posted on 6:10 AM by Unknown
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuyMoc19UpCK6e9ut0-mpSxVdGAJ1-HCTx1pSd7B0He8whiCXM1_TilTMiWOzIMji1QLi55VEh81VtAtsO8KnntJIC01nNcqQmqH0y2d7147DGN5D_WcwJw-_3JNlvON2f_RniQtgZZu1T/s320/71cd622138b6c19b0d1b5529cc630eae_1M.png)
Categories:
The first stored program computer
Posted on 6:03 AM by Unknown
The first digital computer.....
Posted on 6:00 AM by Unknown
Short for Atanasoff-Berry Computer, the ABC started being developed by Professor John Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College (now Iowa State University ). On October 19, 1973, the US Federal Judge Earl R. Larson signed his decision that the ENIAC patent by Eckert and Mauchly was invalid and named Atanasoff the inventor of the electronic digital computer.
The ENIAC was invented by J. Presper Eckert and John Mauchly at theUniversity of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons. Although the Judge ruled that the ABC computer was the first digital computer, many still consider the ENIAC to be the first digital computer because it was fully functional.
The ENIAC was invented by J. Presper Eckert and John Mauchly at the
Categories:
Subscribe to:
Posts (Atom)