# 2013F002/HW1

### From CDS 130

**HW 1** Due on Monday February 3rd before class starts.

Name:_______________________________

## Contents |

# 1. Binary to Decimal

Convert the binary number `101101`

to decimal. Show your work.

45

# 2. Decimal to Binary

Convert the decimal number `179`

to binary. Show your work.

10110011

# 3. Base 4 Addition

1 0 3 + 3 1 2 0 1 0 _____ 1 0 3 1

# 4. Encoding

Write "CDS130" in binary using 7-bit ASCII binary encoding.

C - 67 - 1000011 D - 68 - 1000100 S - 83 - 1010011 1 - 49 - 0110001 3 - 51 - 0110011 0 - 48 - 0110000