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CS501 VU Current Midterm Fall 2012 Paper 8 December 2012

total 20 mcqs. and subjective is Which register holds the instruction that is being executed? 2marks Which technique is used for overlapping multiple instructions simultaneously?2 marks Write the Structural RTL for the “mov” instruction i.e. mov ra, rb. 3marks Write the Structural RTL for the “mov” instruction i.e. mov ra, rb. 3marks Write the related timing steps requirements and data path implementations of Instruction Fetch procedure using structural RTL 5marks How many types of exceptions can occur in a machine? Explain any two of them. 5marks Another Paper: 20 mcq’s thae r 6 Question thae 2 marks ke 2 Question 3 marks ke 2 Quuestion 5 mzrks ke bi 2 Question compare bus width of FALCON-A and SRC     What do you know about Machine Exception? What function is performed by the reset operation of a processor and differentiate Hard reset and Soft reset? structural RTL out ra,c2 3marks Consider the following sequence of the instructions giving through the pipelined version of SRC 200:shl r6,r3,5 204:str r7,30 208:sub r2,r4,r5 2012:add r1,r2,r3 216:id r7,48 .Write the structure RTL description for the uni-bus data path implementation Jump[ra+2] (5 Marks) Another Paper: (1)compare the uni bus implementation of FALCON-A with SRC with respect to number of registers. [2 MARKS]   (2) Define external and internal Exception. [2MARKS]   (3) Structural RTL for the out instruction out ra,c2. [3MARKS]   (4)Arrange pipelining verification of SRC [3 MARKS] ALU operation Instruction fetch Memory access Register write   (5) timing step requirement and data path implementation of instruction fetch in structural RTL [5 MARKS (6) how many type of Exception ? define two. [5 MARKS]  

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