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october_2000

# october_2000 - Department of Electrical and Computer...

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Department of Electrical and Computer Engineering McGill University 304-221A Introduction to Computer Engineering I Mid Term Exam Examiner: F.P. Ferrie Date: October 23, 2000 Question 1 (2 points) Calculate the number of significant figures that can be represented using the IEEE 754 floating point representation. Question 2 (4 points) Encode the number 6.29 x 10 13 using IEEE 754 encoding and express your result as a 4-digit hexadecimal number. Question 3 (2 points) Multiply 1011 by 1101 using binary multiplication. Show your work and express the result in octal notation. Question 4 (2 points) Explain why most floating point representations encode the exponent using a bias instead of a twos-complement scheme. Question 5 (2 points) Determine what is produced by the following "C" program: int main() { char c=0x41; printf("Variable c contains %c\n",c|0x20); } Question 6 (2 points) How many bits are required to encode a voltage in the range [-6,12] V assuming a resolution of 1.0 mV? (turn over, more questions on back)

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october_2000 - Department of Electrical and Computer...

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