Wednesday, June 10, 2015
Science and Technology: knowledege about keyboard
Science and Technology: knowledege about keyboard: Q. 1 who invented keyboard? ans: Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented t...
knowledege about keyboard
Q. 1 who invented keyboard?
ans: Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the first practical typewriter and the QWERTY keyboard still in use today.
Q.2 What is keyboard in computing?
Ans: In computing, a keyboard is a typewriter-style device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input device for computers.
Q.3 what are the types of keyboard?
ans: 1.82-key Apple standard keyboard
2.108-key Apple Extended keyboard
3.101-key Enhanced keyboard
4.104-key Windows keyboard.
Q.4 what are the basic type's of keys?
Ans: 1.Function keys
2.Typing keys
3.Numerical keys
4.Control keys
ans: Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the first practical typewriter and the QWERTY keyboard still in use today.
Q.2 What is keyboard in computing?
Ans: In computing, a keyboard is a typewriter-style device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input device for computers.
Q.3 what are the types of keyboard?
ans: 1.82-key Apple standard keyboard
2.108-key Apple Extended keyboard
3.101-key Enhanced keyboard
4.104-key Windows keyboard.
Q.4 what are the basic type's of keys?
Ans: 1.Function keys
2.Typing keys
3.Numerical keys
4.Control keys
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