ECE 2020 Midterm: ECE 2020 GT sp11 sw Exam 2
15 Feb 2019
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Instructions: this is a closed book, closed note exam. If you have a question, raise your hand and i will come to you. Please work the exam in pencil and do not separate the pages of the exam. Part a (13 points) convert the following notations: Part b (12 points) for the 25 bit representations below, determine the most positive value and the step size (difference between sequential values). All answers should be expressed in decimal notation. Signed representations are two"s complement. representation most positive value step size unsigned fixed-point (20 bits) . (5 bits) signed integer (25 bits) . (0 bits) signed fixed-point (13 bits) . (12 bits) signed fixed-point (9 bits) . (16 bits) Part c (6 points) a 25 bit floating point representation has a 17 bit mantissa field, a 7 bit exponent field, and one sign bit.
