ASCII (American Standard Code for Information Interchange) is a character encoding standard. It is a character encoding scheme used for electronics communication. Each character or a special character is represented by some ASCII code, and each ascii code occupies 7 bits in memory.
Code | Symbol | Code | Symbol | Code | Symbol | Code | Symbol
----- | ----- | ----- | ----- | ----- | ----- | ----- | --------
0 |NUL (null) |32 |(space) |64 |@ |96 |`
1 |SOH (start of header) |33 |! |65 |A |97 |a
2 |STX (start of text) |34 |” |66 |B |98 |b
3 |ETX (end of text) |35 |# |67 |C |99 |c
4 |EOT (end of transmission) |36 |$ |68 |D |100 |d
5 |ENQ (enquiry) |37 |% |69 |E |101 |e
6 |ACK (acknowledge) |38 |& |70 |F |102 |f
7 |BEL (bell) |39 |’ |71 |G |103 |g
8 |BS (backspace) |40 |( |72 |H |104 |h
9 |HT (horizontal tab) |41 |) |73 |I |105 |i
10 |LF (line feed/new line) |42 |* |74 |J | 106 |j
11 |VT (vertical tab) |43 |+ |75 |K |107 |k
12 |FF (form feed / new page) |44 |, |76 |L |108 |l
13 |CR (carriage return) |45 |- |77 |M |109 |m
14 |SO (shift out) |46 |. |78 |N |110 |n
15 |SI (shift in) |47 |/ |79 |O |111 |o
16 |DLE (data link escape) |48 |0|80 |P |112 |p
17 |DC1 (data control 1) |49 |1 |81 |Q |113 |q
18 |DC2 (data control 2) |50 |2 |82 |R |114 |r
19 |DC3 (data control 3) |51 |3 |83 |S |115 |s
20 |DC4 (data control 4) |52 |4 |84 |T |116 |t
21 |NAK (negative acknowledge) |53 |5 |85 |U |117 |u
22 |SYN (synchronous idle) |54 |6 |86 |V |118 |v
23 |ETB (end of transmission block) |55 |7 |87 |W |119 |w
24 |CAN (cancel) |56 |8 |88 |X |120 |x
25 |EM (end of medium) |57 |9 |89 |Y |121 |y
26 |SUB (substitute) |58 |: |90 |Z |122 |z
27 |ESC (escape) |59 |; |91 |[ |123 |{
28 |FS (file separator) |60 |< |92 |\ |124 |\|
29 |GS (group separator) |61 |= |93 |] |125 |}
30 |RS (record separator) |62 |> |94 |^ |126 |~
31 |US (unit separator) |63 |? |95 |_ |127 |DEL (delete)