Computer Organization & Microprocessors Architecture Components Quiz
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Questions and Answers

What is the main function of the CPU?

  • Storing instructions and data
  • Facilitating communication between the computer system and the outside world
  • Controlling all other units attached to the system
  • Executing instructions in the main memory (correct)

    • Which subsystem provides the means of communication between the computer system and the outside world?

  • Memory
  • CPU
  • Arithmetic and Logic Unit
  • I/O Subsystem (correct)

    • What are the basic categories of registers inside a microprocessor?

  • General purpose registers and Control Unit (correct)
  • I/O System Bus
  • High-speed memory locations
  • Arithmetic and Logic Unit

    • What is responsible for executing the instructions in the main memory?

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

    What are the components associated with a computer system?

    <p>CPU, Memory, I/O Devices</p> Signup and view all the answers

    What facilitates communication between the subsystems of a computer system?

    <p>'Buses</p> Signup and view all the answers

    What is the main function of the Arithmetic and Logic Unit (ALU) in a microprocessor?

    <p>Performing arithmetic, logical, and comparative operations</p> Signup and view all the answers

    Which register always holds the address of the memory location where the next instruction is stored?

    <p>Program Counter (PC)</p> Signup and view all the answers

    What is the primary responsibility of the Control Unit in a microprocessor?

    <p>Generating control and timing signals</p> Signup and view all the answers

    Which type of operations are NOT directly performed by the Arithmetic and Logic Unit (ALU) in a microprocessor?

    <p>Multiplication and division</p> Signup and view all the answers

    Which component is responsible for controlling everything internal and external to the microprocessor?

    <p>Control Unit</p> Signup and view all the answers

    What is the function of the Condition Code Register (CCR) in a microprocessor?

    <p>Reflecting certain conditions after executing arithmetic or logic instructions</p> Signup and view all the answers

    Which register holds the current instruction being executed at a given moment in a microprocessor?

    <p>Instruction Register (IR)</p> Signup and view all the answers

    What is the purpose of the Memory Buffer Register (MBR) in a microprocessor?

    <p>Storing temporary data</p> Signup and view all the answers

    What does the Program Counter (PC) do after the fetch cycle in a microprocessor?

    <p>Increments to point to the next instruction</p> Signup and view all the answers

    What type of operations does the Control Unit generate in a microprocessor?

    <p>Control and timing signals</p> Signup and view all the answers

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