Group ” A”
Brief Answer Questions:
1. Write three methods of representing negative integer with example.
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2. What is high impedance state?
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3. Write a opcode for memory reference , register and input output instruction.
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4. What is associative memory?
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5. What is advantage of microprogrammed control unit over hardwired control unit?
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6. Why control data register is considered to be pipeline register?
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7. Define MIMD computer.
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8. What is page fault ?
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9. Compared memory mapped I/O and isolated I/O.
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10. What is the problem of serial arbitration logic?
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Group “B”
Exercise Problems:
11. The time taken to process a sub operation in each segment in a pipeline system is 40ns. There are six different segment and 90 task to execute. Calculate the time to execute all tasks in a pipeline and non pipeline system. Also find out speed up ratio.
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12. Perform the operation -10×8 by using booth multiplication algorithm.
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13. Write a assembly language program for subtracting two number.
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14. Write a micro instruction to evaluate the arithmetic statement X=(A+B)*(C+D) using one address and zero address instruction format.
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15. Given a cache memory with access time 10ns and RAM with access time 50ns, if the hit ration is 75% calculate the average memory access time.
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Group ” C”
Comprehensive Answer Questions:
16. Explain instruction cycle with its phases.
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17. What is the disadvantage of strobe control method in a Asynchronous data transfer ?Explain how hand shaking method solve the problem.
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