ASCII CODE
LETTERS → NUMBERS → BITS
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How Computers Store Text
CHAR
ASCII
BINARY (8 bits = 1 byte)
H
72
0
1
0
0
1
0
0
0
E
69
0
1
0
0
0
1
0
1
L
76
0
1
0
0
1
1
0
0
L
76
0
1
0
0
1
1
0
0
O
79
0
1
0
0
1
1
1
1
characters
bytes
bits
1. ASCII Codes
A
65
Z
90
a
97
0
48
space
32
2. Bits & Bytes
1 character = 1 byte = 8 bits
ASCII: 7 bits → 128 characters · Extended: 8 bits → 256
3. Remember
Capital and small letters have different codes: A = 65, a = 97
Every character has its own number
MATRIC COMPUTER · ASCII CODE · PUNJAB BOARDS
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