Special IT Inventors of electronics processing programs.

• Logo was introduced by Professor Seymour Papert.
• James T.Russell invented digital Compact Disk(CD) in 1965.However,the compact disk came into popularity when it was mass manufactured by Philips in 1980.
• In 1938,Chester Carlson invented a drying printing process called a Xerox,the foundation technology for Laser printers.
• Bob Noyce and Gordon Moore are the founders of Intel.
• Hewlett-Packard, a well known printer company was started by Mr.William Hewlett and Mr.David Packard in Mr.William Hewlett's garage with a capital investment of $538.
• Sir Christopher Latham Sholes is regarded as inventor of keyboard layout.
• Jerry Yang and David Filo are the founders of www.yahoo.com.
• Lady Ada Lovelace is regarded as the first computer programmer.
• Dr.Martin Cooper,a former general manager at Motorola,is the inventor of the first portable handset(Mobile Phone).

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know more about the Braille Code

table bar.

The Braille system is a method of writing for blind.It is not a separate language,but just another way to read and write English or any other language.

Every character is the Braille code is based on an arrangement of one to six raised dots.Each dot has a numbered position in the Braille cell.These characters make up the letters of the alphabets,punctuations marks,numbers, and also special characters.

The letter "A" is written with only 1 dot.

The letter "D" has dots 1,4 and 5.

the Table bar shows that the dots are arranged in the Braille cell for each letter of the alphabet.

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