Answer the following questions:
1. Figure out what decimal value is represented by the following binary number 0011 1010 0011
Answer
931
2. Represent the decimal value 517 as a binary number.
Answer
1000000101
3. The binary number system is base 2 and has 2 digits. The decimal number system is base 10 and has 10 digits. The octal system is base 8. How many digits does it have? What are they, starting at 0?
Answer
8 digits - 0,1,2,3,4,5,6,7
4. Suppose the number 523 is a base-8 octal number. What would its value be in decimal? In binary?
Answer
decimal: 339
binary : 101010011
5. Challenging: Convert the base-5 number 243 into decimal.
Answer
73