Binary Code

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Binary Code Basics

Binary code refers to the use of 0s and 1s by a computer. 1 means there is an electrical current, and 0 means there is no electrical current. Each 0 or 1 is one bit. Eight bits = one byte. One byte is usually a character. You can use an ASCII Table to translate to or from binary and ASCII equivalants.

ASCII Tables

Non-Printable Characters

Binary	Decimal	Hex	Abbreviation	Printable Representation	Name/Meaning
0000 0000	0	00	NUL	␀	Null character
0000 0001	1	01	SOH	␁	Start of Header
0000 0010	2	02	STX	␂	Start of Text
0000 0011	3	03	ETX	␃	End of Text
0000 0100	4	04	EOT	␄	End of Transmission
0000 0101	5	05	ENQ	␅	Enquiry
0000 0110	6	06	ACK	␆	Acknowledgement
0000 0111	7	07	BEL	␇	Bell
0000 1000	8	08	BS	␈	Backspace
0000 1001	9	09	HT	␉	Horizontal Tab
0000 1010	10	0A	LF	␊	Line feed
0000 1011	11	0B	VT	␋	Vertical Tab
0000 1100	12	0C	FF	␌	Form Feed
0000 1101	13	0D	CR	␍	Carriage return
0000 1110	14	0E	SO	␎	Shift Out
0000 1111	15	0F	SI	␏	Shift In
0001 0000	16	10	DLE	␐	Data Link Escape
0001 0001	17	11	DC1	␑	Device Control 1 -- oft. XON
0001 0010	18	12	DC2	␒	Device Control 2
0001 0011	19	13	DC3	␓	Device Control 3 -- oft. XOFF
0001 0100	20	14	DC4	␔	Device Control 4
0001 0101	21	15	NAK	␕	Negative Acknowledgement
0001 0110	22	16	SYN	␖	Synchronous Idle
0001 0111	23	17	ETB	␗	End of Trans. Block
0001 1000	24	18	CAN	␘	Cancel
0001 1001	25	19	EM	␙	End of Medium
0001 1010	26	1A	SUB	␚	Substitute
0001 1011	27	1B	ESC	␛	Escape
0001 1100	28	1C	FS	␜	File Separator
0001 1101	29	1D	GS	␝	Group Separator
0001 1110	30	1E	RS	␞	Record Separator
0001 1111	31	1F	US	␟	Unit Separator
0111 1111	127	7F	DEL	␡	Delete

Printable Characters

Binary	Decimal	Hex	Graphic
0010 0000	32	20	(blank) (␠)
0010 0001	33	21	!
0010 0010	34	22	"
0010 0011	35	23	#
0010 0100	36	24	$
0010 0101	37	25	%
0010 0110	38	26	&
0010 0111	39	27	'
0010 1000	40	28	(
0010 1001	41	29	)
0010 1010	42	2A	*
0010 1011	43	2B	+
0010 1100	44	2C	,
0010 1101	45	2D	-
0010 1110	46	2E	.
0010 1111	47	2F	/
0011 0000	48	30	0
0011 0001	49	31	1
0011 0010	50	32	2
0011 0011	51	33	3
0011 0100	52	34	4
0011 0101	53	35	5
0011 0110	54	36	6
0011 0111	55	37	7
0011 1000	56	38	8
0011 1001	57	39	9
0011 1010	58	3A	:
0011 1011	59	3B	;
0011 1100	60	3C	<
0011 1101	61	3D	=
0011 1110	62	3E	>
0011 1111	63	3F	?

Binary	Decimal	Hex	Graphic
0100 0000	64	40	@
0100 0001	65	41	A
0100 0010	66	42	B
0100 0011	67	43	C
0100 0100	68	44	D
0100 0101	69	45	E
0100 0110	70	46	F
0100 0111	71	47	G
0100 1000	72	48	H
0100 1001	73	49	I
0100 1010	74	4A	J
0100 1011	75	4B	K
0100 1100	76	4C	L
0100 1101	77	4D	M
0100 1110	78	4E	N
0100 1111	79	4F	O
0101 0000	80	50	P
0101 0001	81	51	Q
0101 0010	82	52	R
0101 0011	83	53	S
0101 0100	84	54	T
0101 0101	85	55	U
0101 0110	86	56	V
0101 0111	87	57	W
0101 1000	88	58	X
0101 1001	89	59	Y
0101 1010	90	5A	Z
0101 1011	91	5B	[
0101 1100	92	5C	\
0101 1101	93	5D	]
0101 1110	94	5E	^
0101 1111	95	5F	_

Binary	Decimal	Hex	Graphic
0110 0000	96	60	`
0110 0001	97	61	a
0110 0010	98	62	b
0110 0011	99	63	c
0110 0100	100	64	d
0110 0101	101	65	e
0110 0110	102	66	f
0110 0111	103	67	g
0110 1000	104	68	h
0110 1001	105	69	i
0110 1010	106	6A	j
0110 1011	107	6B	k
0110 1100	108	6C	l
0110 1101	109	6D	m
0110 1110	110	6E	n
0110 1111	111	6F	o
0111 0000	112	70	p
0111 0001	113	71	q
0111 0010	114	72	r
0111 0011	115	73	s
0111 0100	116	74	t
0111 0101	117	75	u
0111 0110	118	76	v
0111 0111	119	77	w
0111 1000	120	78	x
0111 1001	121	79	y
0111 1010	122	7A	z
0111 1011	123	7B	{
0111 1100	124	7C	\|
0111 1101	125	7D	}
0111 1110	126	7E	~