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In a microcomputer, the machine only processes binary numbers. Therefore, letters and various symbols must also be expressed in binary codes according to certain specific rules. At present, the most commonly used in the world is the ASCII code (American Standard Code for Information Interchange).
It is represented by a 7-bit binary code, so it can
represent 128 different characters, including:
(1) 26 uppercase English letters;
(2) 26 lowercase English letters;
(3) 10 decimal digits;
(4) 7 punctuation marks;
(5) 9 operation symbols;
(6) 50 other symbols (such as print format symbols, control symbols, etc.).
If you want to determine the ASCII code of a number, letter, or symbol, you can find the character in the ASCII code table first, and then connect the column of the character to the 3-digit and 4-digit binary number corresponding to the row (the column corresponds to the 3-digit number). In the front, the 4 digits corresponding to the line are in the back), the 7-bit binary code obtained is the ASCII code corresponding to the character. E.g:
The ASCII code of the uppercase English letter C is 100 0011
The ASCII code of the lowercase English letter w is 111 0111
When the ASCII code is transmitted in the computer, an 8-bit binary number is usually used. Therefore, the most significant bit is used as a parity check bit to check whether the code has an error during the transmission process.
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fr.fmuser.org
de.fmuser.org
af.fmuser.org ->Afrikaans
sq.fmuser.org ->Albanian
ar.fmuser.org ->Arabic
hy.fmuser.org ->Armenian
az.fmuser.org ->Azerbaijani
eu.fmuser.org ->Basque
be.fmuser.org ->Belarusian
bg.fmuser.org ->Bulgarian
ca.fmuser.org ->Catalan
zh-CN.fmuser.org ->Chinese (Simplified)
zh-TW.fmuser.org ->Chinese (Traditional)
hr.fmuser.org ->Croatian
cs.fmuser.org ->Czech
da.fmuser.org ->Danish
nl.fmuser.org ->Dutch
et.fmuser.org ->Estonian
tl.fmuser.org ->Filipino
fi.fmuser.org ->Finnish
fr.fmuser.org ->French
gl.fmuser.org ->Galician
ka.fmuser.org ->Georgian
de.fmuser.org ->German
el.fmuser.org ->Greek
ht.fmuser.org ->Haitian Creole
iw.fmuser.org ->Hebrew
hi.fmuser.org ->Hindi
hu.fmuser.org ->Hungarian
is.fmuser.org ->Icelandic
id.fmuser.org ->Indonesian
ga.fmuser.org ->Irish
it.fmuser.org ->Italian
ja.fmuser.org ->Japanese
ko.fmuser.org ->Korean
lv.fmuser.org ->Latvian
lt.fmuser.org ->Lithuanian
mk.fmuser.org ->Macedonian
ms.fmuser.org ->Malay
mt.fmuser.org ->Maltese
no.fmuser.org ->Norwegian
fa.fmuser.org ->Persian
pl.fmuser.org ->Polish
pt.fmuser.org ->Portuguese
ro.fmuser.org ->Romanian
ru.fmuser.org ->Russian
sr.fmuser.org ->Serbian
sk.fmuser.org ->Slovak
sl.fmuser.org ->Slovenian
es.fmuser.org ->Spanish
sw.fmuser.org ->Swahili
sv.fmuser.org ->Swedish
th.fmuser.org ->Thai
tr.fmuser.org ->Turkish
uk.fmuser.org ->Ukrainian
ur.fmuser.org ->Urdu
vi.fmuser.org ->Vietnamese
cy.fmuser.org ->Welsh
yi.fmuser.org ->Yiddish
FMUSER Wirless Transmit Video And Audio More Easier !
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