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ASCII码与16进制转换表
2022-07-21 00:30:00 【大囚长】
所谓的ASCII和16进制都只是概念上的东西,在计算机中通通是二进制
转换应该是输出的转换,同样是一个数,在计算机内存中表示是一样的,只是输出不一样
ASCII是针对字符的编码,几乎是键盘上的字符的编码。下面是一张ASCII和16进制的对应表:
ASCII与16进制转换 | |||||||
ASCII | 16进制 | ASCII | 16进制 | ASCII | 16进制 | ASCII | 16进制 |
NUL | 00H | DLE | 10H | SP | 20H | 0 | 30H |
SOH | 01H | DC1 | 11H | ! | 21H | 1 | 31H |
STX | 02H | DC2 | 12H | " | 22H | 2 | 32H |
ETX | 03H | DC3 | 13H | # | 23H | 3 | 33H |
EOT | 04H | DC4 | 14H | $ | 24H | 4 | 34H |
ENQ | 05H | NAK | 15H | % | 25H | 5 | 35H |
ACK | 06H | SYN | 16H | & | 26H | 6 | 36H |
BEL | 07H | ETB | 17H | ' | 27H | 7 | 37H |
BS | 08H | CAN | 18H | ( | 28H | 8 | 38H |
HT | 09H | EM | 19H | ) | 29H | 9 | 39H |
LF | 0AH | SUB | 1AH | * | 2AH | : | 3AH |
VT | 0BH | ESC | 1BH | + | 2BH | ; | 3BH |
FF | 0CH | FS | 1CH | , | 2CH | < | 3CH |
CR | 0DH | GS | 1DH | _ | 2DH | = | 3DH |
SO | 0EH | RS | 1EH | . | 2EH | > | 3EH |
SI | 0FH | US | 1FH | / | 2FH | ? | 3FH |
ASCII | 16进制 | ASCII | 16进制 | ASCII | 16进制 | ASCII | 16进制 |
@ | 40H | P | 50H | 、 | 60H | p | 70H |
A | 41H | Q | 51H | a | 61H | q | 71H |
B | 42H | R | 52H | b | 62H | r | 72H |
C | 43H | S | 53H | c | 63H | s | 73H |
D | 44H | T | 54H | d | 64H | t | 74H |
E | 45H | U | 55H | e | 65H | u | 75H |
F | 46H | V | 56H | f | 66H | v | 76H |
G | 47H | W | 57H | g | 67H | w | 77H |
H | 48H | X | 58H | h | 68H | x | 78H |
I | 49H | Y | 59H | i | 69H | y | 79H |
J | 4AH | Z | 5AH | j | 6AH | z | 7AH |
K | 4BH | [ | 5BH | k | 6BH | { | 7BH |
L | 4CH | \ | 5CH | l | 6CH | ㄧ | 7CH |
M | 4DH | ] | 5DH | m | 6DH | } | 7DH |
N | 4EH | ↑ | 5EH | n | 6EH | ~ | 7EH |
O | 4FH | ← | 5FH | o | 6FH | DEL | 7FH |
关于这张表,主要是键盘上的键值字符在计算机中的二进制存储,为了方便,转化成的16进制表示。
所以,45的ASCII表示就是4的ASCII表示和5的ASCII表示联结起来的。
每个ASCII字符转化成16进制是两位的16进制数,同样,把16进制数转化成ASCII时是两位一起转化成一个ASCII字符,然后把他们联结起来。
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