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Unformatted text preview: Result PC X IR X MAR X X(a) X(b) MDR X X There should be at least one checkmark in the two boxes marked (a), (b) For the instruction whose opcode is 0011 (ST): Fetch Instruction Decode Evaluate Address Fetch Data Execute Store Result PC X IR X MAR X X(a) X(b) X(c) X(d) MDR X X(1) X(2) X(3) There should be at least one checkmark in the boxes marked (a), (b), (c), (d) There should be at least one checkmark in the boxes marked (1), (2), (3) For the instruction whose opcode is 0000 (a control instruction): Fetch Instruction Decode Evaluate Address Fetch Data Execute Store Result PC X X IR X MAR X MDR X Problem 4 Problem 5 (1): 1001 100 001 111111 ; R4 < NOT(R1) (2): 1001 101 010 111111 ; R5 < NOT(R2) (3): 0101 110 100 000 101 ; R6 < R4 AND R5 (4): 1001 011 110 111111 ; R3 < NOT(R6) Problem 6 Sign Exponent Fraction 1 1 1 0 0 1 0 1 = 1 Sign x 2 (Exponent  7) x 1.Fraction = 1 1 x 2 (12  7) x 1.101 = 52 Problem 7 Part A: M = 1, N = 1, P = 1 Part B: E changes to 0...
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 Fall '06
 MCCANN
 Electrical Engineering

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