Instruction Word Size [B]

# Instruction Word Size [B] - Mallard ECE 290: Computer...

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Mallard ECE 290: Computer Engineering I - Spring 2007 - Graded Web. .. https://mallard.cites.uiuc.edu/ECE290/webgrade.cgi?SessionID=mding3. .. 1 of 2 4/13/2007 2:54 AM Graded WebQuiz: Instruction Word Size You have submitted this WebQuiz 2 times (including this time). You may submit this WebQuiz a total of 10 times and receive full credit. Question #1 Suppose a computer has a 36-bit instruction word with the following fields: 11-bit opcode, two 4-bit register address fields, and one 17-bit immediate operand field. (a) What is the maximum number of operations that can be supported? 2^11 = 2048 (b) How many registers can be addressed (the size of the register file)? 2^4 = 16 (c) Suppose the immediate operand is an unsigned binary integer. What is (the decimal value of) the smallest number representable? 0 the largest? 2^17-1 = 131071 (d) Suppose the immediate operand is a signed 2's complement integer, with the leftmost bit the sign bit. What is (the decimal value of) the smallest number representable?

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## This note was uploaded on 06/21/2011 for the course ECE 290 taught by Professor Staff during the Spring '08 term at University of Illinois, Urbana Champaign.

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Instruction Word Size [B] - Mallard ECE 290: Computer...

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