26 Why does increasing the associativity of a cache generally increase its hit

26 why does increasing the associativity of a cache

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26. Why does increasing the associativity of a cache generally increase its hit ratio? 27. Compare burst transfer and cycle stealing transfer methods of DMA. 28. State the drawbacks of programmed I/O method of data transfer. 29. List the various types of interrupt with an example for each. 30. Differentiate between isolated I/O and memory mapped I/O 31. Compare strobe and handshaking method of asynchronous transfer initiated by the source. 32. Differentiate reduced instruction set and complex instruction set systems 33. Compare RISC and CISC instructions. Give their respective advantages. 34. Give examples for structural hazards. 35. Give examples for RAW hazards. 36. Give examples for WAW hazards. 37. Give examples for WAR hazards. 38. What are the type of data hazards. Give examples. 39. What is cycle stealing DMA transfer? 40. Specify Amdhals Law for speedup. 7 / 10 marks Questions 1. What are the different methods of I/O transfer and illustrate briefly how data transfer is done using DMA. 2. Illustrate the strobe pulse method and handshaking method of asynchronous data transfer using suitable diagrams. 3. Describe the essential features of CISC and RISC processors. State the advantage of overlapped register windows in RISC processors. 4. List different machine cycles involved a typical instruction cycle. Explain the four segment instruction pipeline with a flow-diagram and timing diagram. 5. What is instruction pipelining? Explain various hazards and technique to resolve them. 6. Design 4-bit adder-subtractor and 4-bit binary incrementer circuits. Explain how these two circuits are used in designing a 4-bit arithmetic circuit. Draw the arithmetic circuit function table. 7. Tabulate the sixteen logic micro-operations and the corresponding truth tables for two Boolean variables. Draw the hardware implementation of one-stage of logic circuit.
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  • Summer '17
  • Central processing unit

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