Microprocessor-based Systems Terminology
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Questions and Answers

What is the main function of registers in a microprocessor?

  • Store data that is going to be used (correct)
  • Perform arithmetic functions
  • Interpret instructions fetched into the CPU
  • Control the direction of data flow

    • Which component of a CPU points to the address of the next instruction to be executed?

  • Program counter (correct)
  • ALU
  • Memory
  • Instruction decoder

    • What is the main function of an instruction decoder in a CPU?

  • Store data that is going to be used
  • Perform arithmetic functions
  • Control the direction of data flow
  • Interpret the instruction fetched into the CPU (correct)

    • Which component of a CPU performs arithmetic functions like add, subtract, and divide?

    <p>ALU</p> Signup and view all the answers

    What is the primary purpose of RAM in computer memory?

    <p>Store data that is going to be used</p> Signup and view all the answers

    In general, what effect do more and bigger registers have on a CPU?

    <p>Increase the cost of the CPU</p> Signup and view all the answers

    What is the main function of a microprocessor?

    <p>To act as a computer processor on a microchip</p> Signup and view all the answers

    Which term refers to a complete microprocessor-based control system built onto a single chip?

    <p>Microcontroller</p> Signup and view all the answers

    What is the main difference between MPU and CPU?

    <p>MPU is a MicroProcessor Unit while CPU is a Central Processing Unit</p> Signup and view all the answers

    What is the IBM 'Blue Gene' supercomputer designed with?

    <p>A million processors</p> Signup and view all the answers

    Which type of system does not necessarily have to do with computing?

    <p>Microprocessor-based system</p> Signup and view all the answers

    'Microcomputer' is the term specifically used for which type of systems?

    <p>Single chip microcomputers</p> Signup and view all the answers

    What are the two digits that microprocessors and other digital circuits use?

    <p>0 and 1</p> Signup and view all the answers

    How many bits make up a nibble?

    <p>4 bits</p> Signup and view all the answers

    Which term represents 32 bits or 4 bytes?

    <p>Double Word</p> Signup and view all the answers

    How many bytes make up a kilobyte (KB)?

    <p>1024 bytes</p> Signup and view all the answers

    What is the main advantage of using hexadecimal in communication with microprocessors?

    <p>Compact representation of data</p> Signup and view all the answers

    Which type of Automation is known for its ease of troubleshooting and low power consumption in the context of microprocessors?

    <p>MPU based</p> Signup and view all the answers

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