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Date ______________________Number SystemsName _____________________1. What are the first 15 binary numbers (starting from zero)?DecimalBinaryDecimalBinary08192103114125136147152. Convert the following binary (base-2) numbers into decimal (base-10)Example: convert 1101(bin) to decimalHow to do it:Place Value23222120Binary Number1101What each place means8401Answer: 8 + 4 + 0 + 1 = 13a.10000b.10101c.101010d.10111012. Convert the following decimal numbers to binary.Example: convert 612(dec) into binary.How to do it: Subtract the largest power of 2 from 612 that does not go below zero. Repeat this process until you get to zero. The powers of 2 that you used will be ones, the powers of 2 that you did not use will be zeroes.612 - 512 = 100100 - 64 = 36 36 – 32 = 44 – 4 = 051225612864321684211001100100Answer: 612(dec) = 1001100100(bin)a. 18b.92c.599d.10253.Convert from Hexadecimal to Binary:Example: Convert CA7(hex) to binary.How to do it: Convert each hex digit separately into a 4 digit binary number. Combine the binary numbers together into a single number at the end:HexCA7Dec12107Bin110010100111Answer: CA7(hex) = 1100 1010 0111(bin)a.AB(hex)b.71(hex)c.FAD(hex)d.BFF(hex)4. Rewrite each hexadecimal number in decimal.Example: convert CA7(hex) to decimalHow to do it:Place Value162161160Hexadecimal NumberCA7What each place means256 x 12 = 307216 x 10 = 1601 x 7 = 7Answer: 3072 + 160 + 7 = 3239a.AB(hex)b.71(hex)c.FAD(hex)d.BFF(hex)5. Convert the following binary numbers to hexadecimal.Example: convert 1101 0001(bin) to hexadecimalHow to do it: Convert each group of 4 binary digits (starting from the right) into a single hexadecimal digit:Bin10100111Dec107HexA7Answer: A7a.1111b.1001 1110c.100 1000d.1100 1110 00116. Arbitrary number systems: A good test of your understanding of how number systems work is to try converting to and from something like base 7 or base 3a.Write 940(dec) in base-3b. 1643 is a number in base 7. What is that number in base 10? ................
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