Page 52 - Computer Science V2.0 Class 11

= 16 + 8 + 0 + 2 + 1
= 27
(11011) = (27) 10
2
c. (195) to octal
10
8 195 Remainder
8 24 3

8 3 0
0 3

(195) = (303) 8
10
d. (706) to decimal
8
Face Value 7 0 6
Place value 8 2 8 1 8 0
1
2
= 7 × 8 + 0 × 8 + 6 × 8 0
= 448 + 0 + 6
= 454

(706) = (454) 10
8
e. (942) to hexadecimal
10
16 942 Remainder

16 58 14 E
16 3 10 A
0 3

(942) = (3AE) 16
10
f. (A19) to decimal
16
Face Value A 1 9
1
2
Place value 16 16 16 0
= A × 16 + 1 × 16 + 9 × 1
2
= 10 × 256 + 16 + 9
= 2585
(A19) = (2585) 10
16
g. (1010110) to octal
2
0 0 1 0 1 0 1 1 0

1 2 6
(1010110) = (126) 8
2
h. (732) to binary
8
7 3 2
↓ ↓ ↓
111 011 010
(732) = (111011010) 2
8

38 Touchpad Computer Science (Ver. 2.0)-XI