hw5 - Describe when overflow can and can not occur, and how...

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ECE 2030 Introduction to Computer Engineering Homework 5 1. Consider the following addition problems. Assuming the operands are: (i) unsigned and (ii) signed, two’s complement numbers, indicate what the result is in binary, and the decimal val- ues of both operands and the result. Also, in each case, indicate if overflow occurs. 2. Consider the adder/subtracter designed in class. Analyze the use of this unit for unsigned numbers. Describe the interpretation of the result S and any other signals.
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Unformatted text preview: Describe when overflow can and can not occur, and how it is detected. Give an 8-bit example of unsigned binary subtraction where the result is positive and where the result is negative. 3. Convert the following numbers to 8-bit fixed point signed representations, with four bits to the right of the binary point. (a) 7.125 (b) 3.375 (c) 4.0625 (d) -3.4375 0101 1010 + 1010 0101 1111 1010 + 1010 0101 1101 1010 + 0110 0111 Spring 2009 Due: 17.2.2009 Prof. David Schimmel Section F...
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This note was uploaded on 10/20/2009 for the course COE 1 taught by Professor Many during the Spring '09 term at Georgia Institute of Technology.

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hw5 - Describe when overflow can and can not occur, and how...

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