fa10-sw-s3 - ECE 2030 B 12:00pm 4 problems 4 pages Computer...

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ECE 2030 B 12:00pm Computer Engineering Fall 2010 4 problems, 4 pages Exam Three Solutions 1 December 2010 Problem 1 (2 parts, 18 points) Datapath Elements Part A (9 points) Consider the following input and output values for a shift operation. Determine the shift type and amount required to achieve the listed transformation. I/Os are in hexadecimal. Input Value Output Value Shift Type Shift Amount (signed decimal value) 87654321 FFF87654 arithmetic +12 87654321 00000008 logical +28 87654321 43218765 rotate 16 Part B (9 points) Consider the following input and output values for a logical operation. Determine the logical function and function code (in hexadecimal) required for the operation. X Input Y Input Output Logical Function Function Code 87654321 00FF00FF 00650021 AND 8 87654321 00FF00FF 879A43DE XOR 6 87654321 00FF00FF 789ABCDE X 5 Problem 2 (3 parts, 32 points) Memory Systems Part A (12 points) Consider a DRAM chip organized as 64 million addresses of 16 bit words . Assume both the DRAM cell and the DRAM chip is square. The column number and offset concatenate to form the memory address. Using the organization approach discussed in class, answer the following questions about the chip. Express all answers in decimal
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fa10-sw-s3 - ECE 2030 B 12:00pm 4 problems 4 pages Computer...

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