Q1
ANS-
(a)
1 | 0 | 1 | 0 |
|
23 | 0 | 21 | 0 | (1010)2=(10)10
|
(b)
1 | 1 | 1 | 0 | 1 | 0 |
|
25 | 24 | 23 | 0 | 22 | 0 | (111010)2=(60)10 |
(c)
1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
|
28 | 0 | 26 | 0 | 24 | 23 | 22 | 21 | 1 | (101011111)2=(351)10 |
Q2
ANS
(a)
1 | 1 | 0 | 0 |
|
23 | 22 | 0 | 0 | (1100)2=(12)10 |
(b)
1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
|
27 | 0 | 0 | 24 | 0 | 22 | 0 | 1 | (10010101)2 = (149)10 |
(c)
1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 |
|
27 | 26 | 0 | 24 | 23 | 22 | 0 | 0 | (1101110)2 = (110)10 |
Q3
ANS
(a)
Division | Remainder (R) |
23 / 2 = 11 | 1 |
11 / 2 = 5 | 1 |
5 / 2 = 2 | 1 |
2/ 2 = 1 | 0 |
1/ 2 = 0 | 1 |
(23)10=(10111)2
(b)
Division | Remainder |
100/2=50 | 0 |
50/2=25 | 0 |
25/2=12 | 1 |
12/2=6 | 0 |
6/2=3 | 0 |
3/2=1 | 1 |
1/2=0 | 1 |
(100)10=(1100100)2
(c)
Division | Remainder |
145/2=72 | 1 |
72/2=36 | 0 |
36/2=18 | 0 |
18/2=9 | 0 |
9/2=4 | 1 |
4/2=2 | 0 |
2/2=1 | 0 |
1/2=0 | 1 |
(145)10=(10010001)2
Q4
ANS-
(a)
division | Remainder |
19/2=9 | 1 |
9/2=4 | 1 |
4/2=2 | 0 |
2/2=1 | 0 |
1/2=0 | 0 |
(19)10=(00011)2
(b)
Division | Remainder |
121/2=60 | 1 |
60/2=30 | 0 |
30/2=15 | 0 |
15/2=7 | 1 |
7/2=3 | 1 |
3/2=1 | 1 |
1/2=0 | 1 |
(121)10=(1111001)2
(C)
Division | Remainder |
161/2=80 | 1 |
80/2=40 | 0 |
40/2=20 | 0 |
20/2=10 | 0 |
10/2=5 | 0 |
5/2=2 | 1 |
2/2=1 | 0 |
1/2=0 | 1 |
(161)10=(10100001)2
Q5
ANS
(a)
A | 6 |
1010 | 0110
|
(A6)16=(10100110)2
(b)
A | 0 | 7 |
1010 | 0000 | 0111 |
(A07)16=(101000000111)2
(c)
7 | A | B | 4 |
0111 | 1010 | 1011 | 0100 |
(7AB4)16=(0111101010110100)2
Q6
ANS
(a)
B | E |
1011 | 1110 |
(BE)16=(10111110)2
(b)
B | C | 9 |
1011 | 1100 | 1001 |
(BC9)16=(101111001001)2
(c)
9 | B | C | 8 |
1001 | 1011 | 1100 | 1000 |
(9BC8)16=(1001101111001000)2
Q7 ans
0100 | 1101 | 1101 |
4 | D | D |
(10011011101)2=(4DD)16
(b)
1111 | 0111 | 0101 | 1011 |
F | 7 | 5 | B |
(1111011101011011)2 = (F75B)16
(c)
0011 | 0101 | 1101 | 0111 |
3 | 5 | D | 7 (11010111010111)2 = (35D7)16 |
Q8
(a)
0001 | 0101 | 1011 | 0111 |
1 | 5 | B | 7 (0001010110110111)2 = (15B7)16 |
(b)
0010 | 1101 | 1101 | 1011 |
2 | D | D | B (10110111011011)2 = (2DDB)16 |
(c)
1111 | 1011 | 1010 | 1111 |
F | B | A | F (1111101110101111)2 = (FBAF)16 |
Q9
ANS
A6 is a hex number
A6 = (10 * 161) + (6 * 160)
A6 = (10 * 16) + (6 * 1)
A6 = 160 + 6
A6 = 166 (in decimal number)
(B)
ANS
A13B a hex number
A13B= (10 * 16^3) + (1 * 16^2) + (3 * 16^1) + (11 + 16^0)
A13B= (10 * 4096) + (1 * 256) + (3 * 16) + (11 *1 )
A13B= 41275 (in decimal number)
Q10
(A)
E9 is a hex number
E9 = (14 * 161) + (9 * 160)
E9 = (14 * 16) + (9 * 1)
E9 = 224+ 9
E9 = 233 (in decimal number)
(B)
7CA3 is a hex number
7CA3 = (7 * 163) + (12 * 162) + (10 * 161) + (3 *1)
7CA3 = (7 * 4096) + (12 * 256) + (16*10) + (3)
7CA3 = 31915
7CA3 = 31915 (in decimal number)
Q11
ANS
(a)
Division | Remainder |
132/16=8 | 4 |
8/16=0 | 8 (132)10 = (84)16 |
(b)
Division | Remainder |
2352/16=147 | 0 |
147/16=9 | 3 |
9/16=0 | 9 (2352)10 = (930)16 |
Q12
ANS
(a)
Division | Remainder |
206/16=12 | 14 |
12/16=0 | 12 (206)10 = (CE)16 |
(b)
Division | Remainder |
3619/16=226 | 3 |
226/16=14 | 2 |
14/16=0 | 14 (E) (3619)10 = (E23)16 |
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