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Computer Organization and Architecture Fundamentals

Core concepts of computer system design including CPU components, memory hierarchy, bus systems, control mechanisms, and instruction processing

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The system performance can be improved by placing a small, fast acting buffer memory between the processor and the main memory. This buffer memory is called ____________.

  1. cache memory
  2. primary memory
  3. internal memory
  4. none of these
Question 2 Multiple Choice (Single Answer)

______________ refers to the set of CPU resistors that serves as working memory, storing temporary results during program execution.

  1. Primary memory
  2. Internal memory
  3. Secondary memory
  4. Cache memory
Question 3 Multiple Choice (Single Answer)

Which of the following terms relates to an art of putting together components to arrive at a system that performs well according to a set of clearly specified goals from the user's point of view?

  1. Computer Architecture
  2. Computer Organization
  3. Instructions
  4. Supercomputers
Question 4 Multiple Choice (Single Answer)

Which of the following carries a word to/ from a memory?

  1. Data Bus
  2. Address Bus
  3. Control Bus
  4. None of these
Question 5 Multiple Choice (Single Answer)

Which of the following interrupts is issued by the CPU itself when it detects that something is wrong or needs special attention?

  1. Software interrupt
  2. Hardware interrupt
  3. Trap
  4. None of these
Question 6 Multiple Choice (Single Answer)

__________ is issued when a user program needs to make a system call to the operating system.

  1. Hardware interrupt
  2. Software interrupt
  3. Trap interrupt
  4. None of these
Question 7 Multiple Choice (Single Answer)

In which of the following approaches is the sequence of control words corresponding to the control sequence of a machine instruction constitutes the microroutine for that instruction?

  1. Control word
  2. Microroutine
  3. Microprogram memory
  4. None of these
Question 8 Multiple Choice (Single Answer)

____________ register is designated to hold the result of an operation performed by the ALU.

  1. Program counter
  2. Accumulator
  3. Instruction register
  4. None of these
Question 9 Multiple Choice (Single Answer)

Which of the following acts as nerve center for the other units?

  1. Control Unit
  2. CPU
  3. ALU
  4. None of these
Question 10 Multiple Choice (Single Answer)

__________ transfers an item of information from the processor to a specific memory location and destroys the former contents of that location.

  1. Load operation
  2. Trap
  3. Store operation
  4. None of these
Question 11 Multiple Choice (Single Answer)

__________ is a special memory in which the microroutines corresponding to the instruction set of a computer are stored.

  1. Microprogram counter
  2. Cache memory
  3. Microprogram memory
  4. None of these
Question 12 Multiple Choice (Single Answer)

__________ refers to the function and design of various units of the computer.

  1. Secondary memory
  2. Computer Architecture
  3. Computer Organization
  4. None of these
Question 13 Multiple Choice (Single Answer)

In _________the contents of the memory location pointed by the program counter are fetched and loaded into the instruction register.

  1. hardwired control
  2. fetch phase
  3. execution phase
  4. none of these
Question 14 Multiple Choice (Single Answer)

The CPU address register called ______________ automatically keeps track of the stack entry point.

  1. input output port
  2. instruction cycle
  3. CPU
  4. stack pointer
Question 15 Multiple Choice (Single Answer)

In which of the following are all control signals required inside the CPU can be generated using a state counter and a PLA circuit?

  1. Computer organization
  2. Hardwired control
  3. Control word
  4. None of these
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