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problem2

# problem2 - a 5 b 99 c 1024 5 Convert the following binary...

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Digital Electronics Tutorial Sheet 2 1.* How many different symbols can be represented with 4 bits? 2.** In a data transmission system the set of possible symbols is: {lower-case alphabet} U {upper-case alphabet} U {space, comma, full-stop} where 'U' denotes the 'union' of two sets. How many bits of information are needed for each symbol? 3.*** In the above data transmission system the maximum transmission rate is 9600 bits per second. How long, in seconds, would it take to transmit the message: Imperial College. 4.* Convert the following decimal numbers into binary. Do not use a calculator.
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Unformatted text preview: a) 5 b) 99 c) 1024 5.* Convert the following binary numbers into decimal. Do not use a calculator. a) 1010 b) 10000000 c) 11111111 6.** Convert the following decimal numbers into hexadecimal. Do not use a calculator. a) 64 b) 98 7.*** Convert the following hex numbers into binary directly without first converting them to decimal. Do not use a calculator. a) F8 b) 144 8.*** Perform the following binary arithmetic: a) 00110111 + 00110010 b) 1100 + 0100 c) 00110100 - 00001010 d) 0010 - 0111...
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