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Unformatted text preview: 2 to decimal 3. (10 points) Carrylookahead adder versus ripplecarry adder a. which one uses more resources b. which one is faster c. which one is better 4. (10 points) 2’s complement representation is more suitable for use to represent negative numbers. Why? 5. (10 points) How many bits is the result when you ADD two 4bit numbers? What is an overflow signal ( Explain what is overflow without using the word “overflow” )? How do you generate the overflow signal? Assuming this is an unsigned addition. 6. (15 points) a. what’s the main difference between latch and flipflop? b. what is flipflop setup time? c. what is flipflop hold time? 7. (25 points) Complete the following timing diagram. Clock Resetn D Q Q w z 1 y 1 Clock Resetn D Q Q w z 2 y 2 2 of 2 Clock w y 1 z 1 y 2 z 2...
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 Fall '08
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 Logic gate, Department of Electrical and Computer Engineering, Flipflop, Boise State University, necessary basic logic

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