Question

Present an ASCll table that has decimal number 0. ,... 9 and etter a b. z and A B. Z in equivaient ASCil codes in Hex and Binary formats (1) How many binary bits/digits does the ASCi code use? (2) What is the bit (between bit 0 and bit 7) that the ASCIl never uses? 410 Points he MPLA

please show the work

Answer 1

CHARACTER	ASCII CODE	BINARY CODE
0	48	00110000
1	49	00110001
2	50	00110010
3	51	00110011
4	52	00110100
5	53	00110101
6	54	00110110
7	55	00110111
8	56	00111000
9	57	00111001
a	97	01100001
b	98	01100010
c	99	01100011
d	100	01100100
e	101	01100101
f	102	01100110
g	103	01100111
h	104	01101000
i	105	01101001
j	106	01101010
k	107	01101011
l	108	01101100
m	109	01101101
n	110	01101110
o	111	01101111
p	112	01110000
q	113	01110001
r	114	01110010
s	115	01110011
t	116	01110100
u	117	01110101
v	118	01110110
w	119	01110111
x	120	01111000
y	121	01111001
z	122	01111010
A	65	01000001
B	66	01000010
C	67	01000011
D	68	01000100
E	69	01000101
F	70	01000110
G	71	01000111
H	72	01001000
I	73	01001001
J	74	01001010
K	75	01001011
L	76	01001100
M	77	01001101
N	78	01001110
O	79	01001111
P	80	01010000
Q	81	01010001
R	82	01010010
S	83	01010011
T	84	01010100
U	85	01010101
V	86	01010110
W	87	01010111
X	88	01011000
Y	89	01011001
Z	90	01011010

(i) 8 bit binary digits are used to represent American Standard Code for Information Interchange (ASCII) code.

(ii) bit 7 is not used in ASCII codes but of late EXTENDED ASCII CODES were introduced to represent special symbols and bit7 was used in it.