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Description：	ASCII column belongs to Network category of 18DAO online reference service. Providing ASCII code table online freely. You may find both the code and charators. ASCII stands for American Standard Code for Information Interchange. The column is a good helper for programmers, network administrators and computer fans.
Keywords：	ASC, code, ASCII code, ASCII, contral code, charator

Content:

ASCII Introducation

ASCII stands for American Standard Code for Information Interchange. Computers can only understand numbers, so an ASCII code is the numerical representation of a character such as 'a' or '@' or an action of some sort. ASCII was developed a long time ago and now the non-printing characters are rarely used for their original purpose. Below is the ASCII character table and this includes descriptions of the first 32 non-printing characters. ASCII was actually designed for use with teletypes and so the descriptions are somewhat obscure. If someone says they want your CV however in ASCII format, all this means is they want 'plain' text with no formatting such as tabs, bold or underscoring - the raw format that any computer can understand. This is usually so they can easily import the file into their own applications without issues. Notepad.exe creates ASCII text, or in MS Word you can save a file as 'text only'.

ASCII Table

Code mening:Dec:Decimal number system Hx:Hexadecimal number system Oct:Octonary number system Char:Character

Hexadecimal number system: 0、1、2、3、4、5、6、7、8、9、A、B、C、D、E、F、10、11、12...1F、20...

Dec	Hx	Oct	Char		Dec	Hx	Oct	Char	Dec	Hx	Oct	Char	Dec	Hx	Oct	Char
0	0	000	NUL	(null)	32	20	040	SPACE	64	40	100	@	96	60	140	`
1	1	001	SOH	(start of heading)	33	21	041	!	65	41	101	A	97	61	141	a
2	2	002	STX	(start of text)	34	22	042	"	66	42	102	B	98	62	142	b
3	3	003	ETX	(end of text)	35	23	043	#	67	43	103	C	99	63	143	c
4	4	004	EOT	(end of transmission)	36	24	044	$	68	44	104	D	100	64	144	d
5	5	005	ENQ	(enquiry)	37	25	045	%	69	45	105	E	101	65	145	e
6	6	006	ACK	(acknowledge)	38	26	046	&	70	46	106	F	102	66	146	f
7	7	007	BEL	(bell)	39	27	047	'	71	47	107	G	103	67	147	g
8	8	010	BS	(backspace)	40	28	050	(	72	48	110	H	104	68	150	h
9	9	011	TAB	(horizontal tab)	41	29	051	)	73	49	111	I	105	69	151	i
10	A	012	LF	(NL line feed, new_line)	42	2A	052	*	74	4A	112	J	106	6A	152	j
11	B	013	VT	(vertical tab)	43	2B	053	+	75	4B	113	K	107	6B	153	k
12	C	014	FF	(NP form feed, new page)	44	2C	054	,	76	4C	114	L	108	6C	154	l
13	D	015	CR	(carriage return)	45	2D	055	-	77	4D	115	M	109	6D	155	m
14	E	016	SO	(shift out)	46	2E	056	.	78	4E	116	N	110	6E	156	n
15	F	017	SI	(shift in)	47	2F	057	/	79	4F	117	O	111	6F	157	o
16	10	020	DLE	(data link escape)	48	30	060	0	80	50	120	P	112	70	160	p
17	11	021	DC1	(device control 1)	49	31	061	1	81	51	121	Q	113	71	161	q
18	12	022	DC2	(device control 2)	50	32	062	2	82	52	122	R	114	72	162	r
19	13	023	DC3	(device control 3)	51	33	063	3	83	53	123	S	115	73	163	s
20	14	024	DC4	(device control 4)	52	34	064	4	84	54	124	T	116	74	164	t
21	15	025	NAK	(negative acknowledge)	53	35	065	5	85	55	125	U	117	75	165	u
22	16	026	SYN	(synchronous idle)	54	36	066	6	86	56	126	V	118	76	166	v
23	17	027	ETB	(end of trans. block)	55	37	067	7	87	57	127	W	119	77	167	w
24	18	030	CAN	(cancel)	56	38	070	8	88	58	130	X	120	78	170	x
25	19	031	EM	(end of medium)	57	39	071	9	89	59	131	Y	121	79	171	y
26	1A	032	SUB	(substitute)	58	3A	072	:	90	5A	132	Z	122	7A	172	z
27	1B	033	ESC	(escape)	59	3B	073	;	91	5B	133	[	123	7B	173	{
28	1C	034	FS	(file separator)	60	3C	074	<	92	5C	134	\	124	7C	174
29	1D	035	GS	(group separator)	61	3D	075	=	93	5D	135	]	125	7D	175	}
30	1E	036	RS	(record separator)	62	3E	076	>	94	5E	136	^	126	7E	176	~
31	1F	037	US	(unit separator)	63	3F	077	?	95	5F	137	_	127	7F	177	DEL

Extended Character Set

As people gradually required computers to understand additional characters and non-printing characters the ASCII set became restrictive. As with most technology, it took a while to get a single standard for these extra characters and hence there are few varying 'extended' sets. The most popular is presented below.

ISO Latin-1 Character Set (Code160-255)

Code Char Code Char Code Char Code Char 160 172 ¬ 184 ¸ 196 Ä 161 ¡ 173 185 ¹ 197 Å 162 ¢ 174 ® 186 º 198 Æ 163 £ 175 ÷ 187 » 199 Ç 164 ¤ 176 188 ¼ 200 È 165 ¥ 177 ± 189 ½ 201 É 166 ¦ 178 ² 190 ¾ 202 Ê 167 ” 179 ³ 191 ¿ 203 Ë 168 ¨ 180 ´ 192 À 204 Ì 169 © 181 µ 193 Á 205 Í 170 ª 182 ¶ 194 Â 206 Î 171 « 183 · 195 Ã 207 Ï

Code Char Code Char Code Char Code Char 208 Ð 220 Ü 232 è 244 ô 209 Ñ 221 Ý 233 é 245 õ 210 Ò 222 Þ 234 ê 246 ö 211 Ó 223 ß 235 ë 247 ÷ 212 Ô 224 à 236 ì 248 ø 213 Õ 225 á 237 í 249 ù 214 Ö 226 â 238 î 250 ú 215 ⊙ 227 ã 239 ï 251 û 216 Ø 228 ä 240 ð 252 ü 217 Ù 229 å 241 ñ 253 ý 218 Ú 230 æ 242 ò 254 þ 219 Û 231 ç 243 ó 255 ÿ

Interaction:	Error Correction | Recommendation Information | Opinion Suggestion | Question Consultation | Online Investigation
References:	ASCII/IBM PC Keyboard Scan Codes ASCII/IBM PC Extended ASCII Display Characters ASCII/Converting Hex to Decimal ASCII/Converting Hex to Octal ASCII/HTML Codes ASCII/Unicode Tables (Version 4.0)
External Links：	Template:ASCII/Related Link
Related Columns：	Computer Dictionary, Morse Code
Keywords：	ASC, code, ASCII code, ASCII, contral code, charator
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