This is the encoding of some of the lower case alphabet characters in 7bit-ASCII
ID: 3791415 • Letter: T
Question
This is the encoding of some of the lower case alphabet characters in 7bit-ASCII code in both decimal and hexadecimal.
Dec
97
98
99
100
101
102
103
104
105
Hex
61
62
63
64
65
66
67
68
69
Char
a
b
c
d
e
f
g
h
i
Dec
111
112
113
114
115
116
117
118
119
120
Hex
6F
70
71
72
73
74
75
76
77
78
Char
o
p
q
r
s
t
u
v
w
x
What will be the hexadecimal representation of the word “tod” and the word “esd” after each character has been converted to its own 7bit ASCII code representation and had an even parity bit added to the LSB to each character to form an 8-bit codeword?
Dec
97
98
99
100
101
102
103
104
105
Hex
61
62
63
64
65
66
67
68
69
Char
a
b
c
d
e
f
g
h
i
Explanation / Answer
1.
tod : 7 bit ASCII code -746F64
t-74 in Binary: 0111 0100
o- 6F in Binary : 0110 1111
d-64 in Binary: 0110 0100
after adding even parity bit to LSB i.e 1
as already 0 had LSB as 1,not adding.
the new Binary value is
0111 0101 0110 1111 0110 0101
the new Hexadecimal value is : 756F65
2.
esd:
ASCI Code: 65 73 64
Binary : 01100101 01110011 01100100
Adding even parity to LSB:01100101 01110011 011001001
the new Hexadecimal value is : 657365
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