Computer Architecture Quiz
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Computer Architecture Quiz

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@IncredibleLanthanum

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Questions and Answers

Which component of a CPU is responsible for performing arithmetic and logical operations?

  • Arithmetic Logic Unit (ALU) (correct)
  • Control Unit
  • Input/Output Unit
  • Memory Unit

    • In the AVR architecture, what size are the registers in the register file?

  • 64-bit
  • 16-bit
  • 32-bit
  • 8-bit (correct)

    • What type of operations is the Status Register used for in the AVR architecture?

  • Flag Operations (correct)
  • Arithmetic Operations
  • Memory Operations
  • Control Operations

    • Which part of the CPU architecture is primarily responsible for changing the program flow based on conditional statements?

    <p>Status Register</p> Signup and view all the answers

    Which type of addressing mode involves the register X, Y, or Z containing the address of a memory location which contains the address of an operand?

    <p>Indirect addressing</p> Signup and view all the answers

    In the AVR CPU, what is the significance of registers R26 to R31?

    <p>They provide 16-bit address pointers for indirect addressing of the data space</p> Signup and view all the answers

    What is the function of the register X, Y, and Z in AVR CPUs?

    <p>Provide 16-bit address pointers for indirect addressing</p> Signup and view all the answers

    How is indirect addressing different from direct addressing in AVR CPUs?

    <p>Direct addressing accesses memory locations directly, while indirect addressing involves accessing addresses of operands</p> Signup and view all the answers

    What role does the AVR CPU play in the microcontroller?

    <p>It executes instructions and controls the operation of the microcontroller</p> Signup and view all the answers

    How does the Harvard Architecture differ from the Von Neumann Architecture?

    <p>In Harvard Architecture, data and instructions are stored in separate memory units, whereas in Von Neumann they are stored together</p> Signup and view all the answers

    Why is the distinction between the data bus and address bus important in microcontroller design?

    <p>The data bus size influences the 'bitness' of the CPU, while the address bus enables memory access</p> Signup and view all the answers

    In what way does the 8-bit nature of the AVR CPU affect its interaction with external memory?

    <p>It limits the amount of memory that can be addressed by the microcontroller</p> Signup and view all the answers

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