Thapar University 2010 M.B.A CA 009 : Computer Organization and Architecture - Question Paper
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Thapar University Patiala Computer Science & Engineering Department MBA bridge course Mid-Semester Test CA 009: Computer Organization
March IIth, 2010 and Architecture
Time: 02 Hours; MM: 50 Name of Faculty: Ravinder Kumar.
Instruction to Students: Attempt all questions. Assume any missing data.
Ql: Simplify the following Boolean function in sum of product form by means of four 8 variables map. Draw the logic diagram with (a) AND - OR gates; (b) NAND gates.
F(A, B, C. D) = I(0,2,8,9,10,11,14,15)
Q2: The following memory units are specified by the number of words times the number of
bits per word. How many address lines and input - output data lines are needed in each 4 case?
a) 2K x 16 b) 64Kx8 c) 16Mx32 d) 4Gxl6
Q3: a) Draw a bus system using multiplexed four registers (each eight bits).
b) Draw a four bit arithmetic circuit with arithmetic circuit operation table.
c) Draw a control unit of basic computer.
Q4: Explain the a few logic and shift micro operations: 8
a) Selective set
b) Selective complement
c) Arithmetic shift left
d) Arithmetic shift right
Q5: What is addressing mode. Explain direct and indirect addressing mode with example. 7
Q6: Differentiate the each part of computer instruction cycle and interrupt cycle. Explain g with the example of flow chart for computer operations.
Q7: Show step-by-step execution of Branch and Save Return Address instruction with
example. 6
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