Computer Organization Chapter 8
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Computer Organization Chapter 8

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Questions and Answers

What is the main purpose of the fetch stage in the CPU?

  • To interpret instructions
  • To access main memory for the next instruction (correct)
  • To execute instructions
  • To process data
  • Which mode allows privileged instructions to execute and is used by the operating system?

  • Program mode
  • Supervisor mode (correct)
  • Kernel mode
  • User mode
  • What is the main advantage of increasing the number of general-purpose registers?

  • Increase flexibility and programmer options (correct)
  • Decrease flexibility and programmer options
  • Increase instruction size and complexity
  • Decrease memory accesses
  • What is the main characteristic of indirect addressing?

    <p>It requires more memory accesses</p> Signup and view all the answers

    What is the main purpose of prefetching in the CPU?

    <p>To fetch the next instruction during execution of the current instruction</p> Signup and view all the answers

    What is the primary function of the condition code registers?

    <p>To set flags based on arithmetic and logical operations</p> Signup and view all the answers

    What is the primary function of the fetch stage of a pipeline in a CPU?

    <p>To maintain the loop buffer</p> Signup and view all the answers

    What is the purpose of a loop buffer in a CPU?

    <p>To improve the performance of loops or jumps</p> Signup and view all the answers

    How many interrupt vectors are stored in the interrupt vector table of a Pentium processor?

    <p>256 32-bit interrupt vectors</p> Signup and view all the answers

    What is the primary function of an Operating System in terms of memory management?

    <p>To keep track of primary memory usage</p> Signup and view all the answers

    What is the term for the program responsible for allocating the processor (CPU) to a process?

    <p>Traffic controller</p> Signup and view all the answers

    What is the primary function of an Operating System in terms of processor management?

    <p>To keep track of processor status and allocate the processor to a process</p> Signup and view all the answers

    What is the primary function of a microprocessor?

    <p>To execute instructions in the form of machine code</p> Signup and view all the answers

    What is the purpose of Assembly language?

    <p>To provide a low-level programming language for a specific computer architecture</p> Signup and view all the answers

    What is an advantage of using Assembly language?

    <p>It requires less memory and execution time</p> Signup and view all the answers

    What is the benefit of understanding Assembly language in terms of program execution?

    <p>It provides a better understanding of how programs interface with OS, processor, and BIOS</p> Signup and view all the answers

    What is the primary difference between combinational logic block and sequential logic block?

    <p>The presence or absence of memory elements</p> Signup and view all the answers

    How does a microprocessor access and execute instructions?

    <p>By receiving instructions in the form of machine code</p> Signup and view all the answers

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