COAR chap 4
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Questions and Answers

Number of address bits of a particular microcontroller is 24. What is the maximum RAM memory it can address?

  • 16MB (correct)
  • 8MB
  • 4MB
  • 2MB
  • Computer components are interconnected through bus mechanism. They are ________.

  • data bus, memory bus and I/O
  • address bus, data bus and signal bus
  • address bus, data bus and control bus (correct)
  • memorybus, data bus and control bus
  • Basic CPU operations are ________.

  • fetch, decode, execute, write (correct)
  • read, execute, decode, write
  • fetch, execute, read or write
  • None of the above
  • Which one of the following about CPU registers are not true?

    <p>Number of registers in CPU depends on number of address bits</p> Signup and view all the answers

    Which of the following are secondary memory devices?

    <p>Hard Disk</p> Signup and view all the answers

    Study Notes

    Microcontroller Architecture

    • A microcontroller with 24 address bits can address a maximum of 2^24 (16,777,216) bytes of RAM memory.

    Bus Mechanism

    • Computer components are interconnected through a bus mechanism.

    CPU Operations

    • Basic CPU operations are fetch, decode, execute, and store.

    CPU Registers

    • The statement that is not true about CPU registers is: (answer not provided in the original text)

    Memory Hierarchy

    • Secondary memory devices include: (answer not provided in the original text)

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    Quiz Team

    Description

    This quiz tests your understanding of microcontrollers and their memory addressing capabilities. Calculate the maximum RAM memory that a microcontroller can address based on the number of address bits.

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