Binary, Hex, Octal

Numbers in diferent bases
Decimal	Hexadecimal	Octal	Binary
0	0	0	0000
1	1	1	0001
2	2	2	0010
3	3	3	0011
4	4	4	0100
5	5	5	0101
6	6	6	0110
7	7	7	0111
8	8	10	1000
9	9	11	1001
10	A	12	1010
11	B	13	1011
12	C	14	1100
13	D	15	1101
14	E	16	1110
15	F	17	1111

ASCII Pronunciation Guide

ASCII Pronunciation Guide
Character	Pronunciation	Character	Pronunciation
!	bang, exclamation	*	star, asterisk
$	dollar	@	at
%	percent	&	ampersand
"	double-quote	'	single-quote, tick
( )	open/close bracket, parentheses	<	less than
>	greater than	-	dash, hyphen
.	dot	,	comma
/	slash, forward-slash	\	backslash, slosh
:	colon	;	semi-colon
=	equals	?	question-mark
^	caret (pron. carrot)	_	underscore
[ ]	open/close square bracket	{ }	open/close curly brackets, open/close brace
|	pipe, vertical bar, or	~	tilde (pron. ``til-duh'', wiggle, squiggle)
`	backtick

DNS parameters

According to the IANA assigned numbers (http://www.iana.org/assignments/dns-parameters) listing, these are the values for some parameters on DNS queries

QTYPE - query types
Type	Value (decimal)	Value (hex)	Meaning	Defined in
A	1	01	A host address	RFC 1035
NS	2	02	An authoritative name server	RFC 1035
MD	3	03	A mail destination (Obsolete - use MX)	RFC 1035
MF	4	04	A mail forwarder (Obsolete - use MX)	RFC 1035
CNAME	5	05	The canonical name for an alias	RFC 1035
SOA	6	06	Marks the start of a zone of authority	RFC 1035
MB	7	07	A mailbox domain name (EXPERIMENTAL)	RFC 1035
MG	8	08	A mail group member (EXPERIMENTAL)	RFC 1035
MR	9	09	A mail rename domain name (EXPERIMENTAL)	RFC 1035
NULL	10	0a	A null RR (EXPERIMENTAL)	RFC 1035
WKS	11	0b	A well known service description	RFC 1035
PTR	12	0c	A domain name pointer	RFC 1035
HINFO	13	0d	Host information	RFC 1035
MINFO	14	0e	Mailbox or mail list information	RFC 1035
MX	15	0f	Mail exchange	RFC 1035
TXT	16	10	Text strings	RFC 1035
RP	17	11	For Responsible Person	RFC 1183
AFSDB	18	12	For AFS Data Base location	RFC 1183
X25	19	13	For X.25 PSDN address	RFC 1183
ISDN	20	14	For ISDN address	RFC 1183
RT	21	15	For Route Through	RFC 1183
NSAP	22	16	For NSAP address, NSAP style A record	RFC 1706
NSAP-PTR	23	17		RFC 1706
SIG	24	18	For security signature	RFC 2535
KEY	25	19	For security key	RFC 2535
PX	26	1a	X.400 mail mapping information	RFC 2163
GPOS	27	1b	Geographical Position	RFC 1712
AAAA	28	1c	Ip6 Address	Thomson
LOC	29	1d	Location Information	Vixie
NXT	30	1e	Next Domain	RFC 2535
EID	31	1f	Endpoint Identifier	Patton
NIMLOC	32	20	Nimrod Locator	Patton
SRV	33	21	Server Selection	RFC 2782
ATMA	34	22	Atm Address	Dobrowski
NAPTR	35	23	Naming Authority Pointer	RFC 2168
KX	36	24	Key Exchanger	RFC 2230
CERT	37	27	Cert	RFC 2538
A6	38	26	A6	RFC 2874
DNAME	39	27	Dname	RFC 2672
SINK	40	28	Sink	Eastlake
OPT	41	29	Opt	RFC 2671
UINFO	100	64	(Reserved)	IANA-Reserved
UID	101	65	(Reserved)	IANA-Reserved
GID	102	66	(Reserved)	IANA-Reserved
UNSPEC	103	67	(Reserved)	IANA-Reserved
TKEY	249	f9	Tkey (reserved)	Eastlake
TSIG	250	fa	Transaction Signature	Vixie
IXFR	251	fb	Incremental transfer	RFC 1995
AXFR	252	fc	Transfer of an entire zone	RFC 1035
MAILB	253	fd	Mailbox-related RRs (MB, MG or MR)	RFC 1035
MAILA	254	fe	Mail agent RRs (Obsolete - see MX)	RFC 1035
*	255	ff	A request for all records	RFC 1035

GSM 03.38 7 bit alphabet

GSM 03.38 7 bit alphabet
Hex	Decimal	Character name	Character	ISO-8859-1 (decimal)
0x00	0	Commercial At	@	64
0x01	1	Pound Sign	£	163
0x02	2	Dollar Sign	$	36
0x03	3	Yen Sign	¥	165
0x04	4	Latin Small Letter E With Grave	è	232
0x05	5	Latin Small Letter E With Acute	é	233
0x06	6	Latin Small Letter U With Grave	ú	250
0x07	7	Latin Small Letter I With Grave	ì	236
0x08	8	Latin Small Letter O With Grave	ò	242
0x09	9	Latin Small Letter C With Cedilla	ç	231
0x0a	10	Line Feed		10
0x0b	11	Latin Capital Letter O With Stroke	Ø	216
0x0c	12	Latin Small Letter O With Stroke	ø	248
0x0d	13	Carriage Return		13
0x0e	14	Latin Capital Letter A With Ring Above	Å	197
0x0f	15	Latin Small Letter A With Ring Above	å	229
0x10	16	Greek Capital Letter Delta	Δ
0x11	17	Low Line	_	95
0x12	18	Greek Capital Letter Phi	Φ
0x13	19	Greek Capital Letter Gamma	Γ
0x14	20	Greek Capital Letter Lambda	Λ
0x15	21	Greek Capital Letter Omega	Ω
0x16	22	Greek Capital Letter Pi	Π
0x17	23	Greek Capital Letter Psi	Ψ
0x18	24	Greek Capital Letter Sigma	Σ
0x19	25	Greek Capital Letter Theta	Θ
0x1a	26	Greek Capital Letter Xi	Ξ
0x1b	27	Escape To Extension Table
0x1b0a	27 10	Form Feed		12
0x1b14	27 20	Circumflex Accent	^	94
0x1b28	27 40	Left Curly Bracket	{	123
0x1b29	27 41	Right Curly Bracket	}	125
0x1b2f	27 47	Reverse Solidus (Backslash)	\	92
0x1b3c	27 60	Left Square Bracket	[	91
0x1b3d	27 61	Tilde	~	126
0x1b3e	27 62	Right Square Bracket	]	93
0x1b40	27 64	Vertical Bar	|	124
0x1b65	27 101	Euro Sign	€	164 (ISO-8859-15)
0x1c	28	Latin Capital Letter AE	Æ	198
0x1d	29	Latin Small Letter AE	æ	230
0x1e	30	Latin Small Letter Sharp S (German)	ß	223
0x1f	31	Latin Capital Letter E With Acute	Ê	202
0x20	32	Space		32
0x21	33	Exclamation Mark	!	33
0x22	34	Quotation Mark	"	34
0x23	35	Number Sign	#	35
0x24	36	Currency Sign	¤	164 (ISO-8859-1)
0x25	37	Percent Sign	%	37
0x26	38	Ampersand	&	38
0x27	39	Apostrophe	'	39
0x28	40	Left Parenthesis	(	40
0x29	41	Right Parenthesis	)	41
0x2a	42	Asterisk	*	42
0x2b	43	Plus Sign	+	43
0x2c	44	Comma	,	44
0x2d	45	Hyphen-Minus	-	45
0x2e	46	Full Stop	.	46
0x2f	47	Solidus (Slash)	/	47
0x30	48	Digit Zero	0	48
0x31	49	Digit One	1	49
0x32	50	Digit Two	2	50
0x33	51	Digit Three	3	51
0x34	52	Digit Four	4	52
0x35	53	Digit Five	5	53
0x36	54	Digit Six	6	54
0x37	55	Digit Seven	7	55
0x38	56	Digit Eight	8	56
0x39	57	Digit Nine	9	57
0x3a	58	Colon	:	58
0x3b	59	Semicolon	;	59
0x3c	60	Less-Than Sign	<	60
0x3d	61	Equals Sign	=	61
0x3e	62	Greater-Than Sign	>	62
0x3f	63	Question Mark	?	63
0x40	64	Inverted Exclamation Mark	¡	161
0x41	65	Latin Capital Letter A	A	65
0x42	66	Latin Capital Letter B	B	66
0x43	67	Latin Capital Letter C	C	67
0x44	68	Latin Capital Letter D	D	68
0x45	69	Latin Capital Letter E	E	69
0x46	70	Latin Capital Letter F	F	70
0x47	71	Latin Capital Letter G	G	71
0x48	72	Latin Capital Letter H	H	72
0x49	73	Latin Capital Letter I	I	73
0x4a	74	Latin Capital Letter J	J	74
0x4b	75	Latin Capital Letter K	K	75
0x4c	76	Latin Capital Letter L	L	76
0x4d	77	Latin Capital Letter M	M	77
0x4e	78	Latin Capital Letter N	N	78
0x4f	79	Latin Capital Letter O	O	79
0x50	80	Latin Capital Letter P	P	80
0x51	81	Latin Capital Letter Q	Q	81
0x52	82	Latin Capital Letter R	R	82
0x53	83	Latin Capital Letter S	S	83
0x54	84	Latin Capital Letter T	T	84
0x55	85	Latin Capital Letter U	U	85
0x56	86	Latin Capital Letter V	V	86
0x57	87	Latin Capital Letter W	W	87
0x58	88	Latin Capital Letter X	X	88
0x59	89	Latin Capital Letter Y	Y	89
0x5a	90	Latin Capital Letter Z	Z	90
0x5b	91	Latin Capital Letter A With Dieresis	Ä	196
0x5c	92	Latin Capital Letter O With Dieresis	Ö	214
0x5d	93	Latin Capital Letter N With Tilde	Ñ	209
0x5e	94	Latin Capital Letter U With Dieresis	Ü	220
0x5f	95	Section Sign	§	167
0x60	96	Inverted Question Mark	¿	191
0x61	97	Latin Small Letter A	a	97
0x62	98	Latin Small Letter B	b	98
0x63	99	Latin Small Letter C	c	99
0x64	100	Latin Small Letter D	d	100
0x65	101	Latin Small Letter E	e	101
0x66	102	Latin Small Letter F	f	102
0x67	103	Latin Small Letter G	g	103
0x68	104	Latin Small Letter H	h	104
0x69	105	Latin Small Letter I	i	105
0x6a	106	Latin Small Letter J	j	106
0x6b	107	Latin Small Letter K	k	107
0x6c	108	Latin Small Letter L	l	108
0x6d	109	Latin Small Letter M	m	109
0x6e	110	Latin Small Letter N	n	110
0x6f	111	Latin Small Letter O	o	111
0x70	112	Latin Small Letter P	p	112
0x71	113	Latin Small Letter Q	q	113
0x72	114	Latin Small Letter R	r	114
0x73	115	Latin Small Letter S	s	115
0x74	116	Latin Small Letter T	t	116
0x75	117	Latin Small Letter U	u	117
0x76	118	Latin Small Letter V	v	118
0x77	119	Latin Small Letter W	w	119
0x78	120	Latin Small Letter X	x	120
0x79	121	Latin Small Letter Y	y	121
0x7a	122	Latin Small Letter Z	z	122
0x7b	123	Latin Small Letter A With Dieresis	ä	228
0x7c	124	Latin Small Letter O With Dieresis	ö	246
0x7d	125	Latin Small Letter N With Tilde	ñ	241
0x7e	126	Latin Small Letter U With Dieresis	ü	252
0x7f	127	Latin Small Letter A With Grave	à	224