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Most computers are digital and recognize only two discrete states: off and on. To represent these states, computers use binary system, which is a number system that has just two unique digits 0 (for off) 1 (for on) called bits. A bits is the smallest unit of data a computer can process. Grouped together as a unit , 8 bits form a byte, which provides enough different combinations of 0s and 1s represent 256 individual characters. The combinations are defined by patterns , called coding schemes, such as ASCII, EBCDIC, and Unicode.
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Friday, April 11, 2008
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It is the language the printer under stands to print the files
It has a series of Nops and PTX records..
PTX is Printer instruction that tells the printer what is the font to use, size of the character, color, spacing etc
while NOP is no operation for the printer but has data to be printed..
basically it is AFP..contains EBCDIC characters...
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Sunday, January 20, 2008
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