Solution of Assignment # 2
Introduction to Computing (CS 101)
fall 2011 (Total Marks: 15)
Question No. 1: Convert the following Binary Number into Decimal Numbers. (Marks 2+2)
a. 1000 0101
= 1*2^0 + 0*2^1 + 1*2^2 + 0*2^3 + 0*2^4 + 0*2^5 + 0*2^6 + 1*2^7
= 1 + 4 + 128
= 133
b. 1110 01
= 1*2^0 + 0*2^1 + 0*2^2 + 1*2^3 + 1*2^4 + 1*2^5
= 1 + 8 + 16 + 32
= 57
Question No. 2: Convert the following Decimal Numbers into Binary Numbers. (Marks 2+2)
a. 149
2 | 149 | Remainder |
2 | 74 | 1 |
2 | 37 | 0 |
2 | 18 | 1 |
2 | 9 | 0 |
2 | 4 | 1 |
2 | 2 | 0 |
2 | 1 | 0 |
| 0 | 1 |
10010101