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Question

ASCII code for alphabetic character requires _____ bits.

A
16
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B
15
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C
8
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D
7
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Solution

The correct option is C 8

ASCII code for alphabetic character requires 7 bits.

ASCII is the american standard code for Information Interchange. It is a 7-bit code. The original ASCII table is encoded on 7 bits therefore it has 128 characters.


The extended ASCII character set uses 8 bits, which gives it an additional 128 characters. The extra characters represent characters from foreign languages and special symbols for drawing pictures.

When an ASCII character is stored in a byte the most significant bit is always zero. ASCII (American standard code for Information Interchange) is the most common format for text files in computers and on the Internet. In an ASCII file, each alphabetic, numeric, or special character is represented with a 7-bit binary number. 128 possible characters are defined.


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