uestion 1 (16 Marks)
a). Summarize the difference among simple pipelining, superscalar, and instruction level parallelism.
b). Compare uniprocessor systems with multiprocessor systems in the following aspects (4 Mks)
i. Ease of programming
ii. The need for synchronization
iii. Performance evaluation
iv. Run time system
c). List three engineering applications, with which you are familiar, for which SIMD is most efficient to use, and another three for which MIMD is most efficient to use. (6 Mks)
Question 2 (15 Marks)
a). What are the main principles used to construct a RISC machine? (4 Mks)
b). Construct the two approaches (the software and the hardware) used in RISC machines to minimize memory operations. (4 Mks)
c). A multiprocessor O/S must provide all the functionality of a multi-programming system plus additional features to accommodate multiple processors. To achieve the purpose major key design issues are considered. Discuss the key issues. (7 Mks)
Section B (Answer ant Three Questions)
Question 3 (13 Marks)
a). Multiple copied of the same data can exist in different caches simultaneously, and if the processor are allowed to update their own copies freely, an inconsistent view of memory can result. What are the policies used to remedy the above scenario? (6 Mks)
b). Outline for benefits that can be achieved by clustering. (4 Mks)
c). Briefly outline the chief characteristics of an SMP? (3 Mks)
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