Microprocessor 8086 Architecture and Addressing Modes Quiz
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Questions and Answers

How many transistors does the microprocessor 8086 have?

  • 5,000
  • 40,000
  • 29,000 (correct)
  • 16,000

    • What is the clock frequency at which the microprocessor 8086 operates?

  • 5MHz (correct)
  • 10MHz
  • 1MHz
  • 2MHz

    • How many bits are used for addressing memory in the microprocessor 8086?

  • 32
  • 16
  • 20 (correct)
  • 8

    • Which unit in the microprocessor 8086 is responsible for accessing memory and peripherals?

    <p>Bus Interface Unit (BIU)</p> Signup and view all the answers

    How many 16-bit registers does the microprocessor 8086 have?

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

    In which year was the microprocessor 8086 introduced?

    <p>1978</p> Signup and view all the answers

    What is the function of the Execution Unit in the 8086 microprocessor?

    <p>Handles all transfers of data and address on the buses</p> Signup and view all the answers

    Which register is used for multiplication, division, and some adjustment instructions?

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

    What does the RDX register hold before a division operation in the microprocessor?

    <p>Part of the result from a multiplication</p> Signup and view all the answers

    Which register is used as the base pointer for memory data transfers?

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

    What does the RIP register address in the microprocessor?

    <p>The next instruction in memory</p> Signup and view all the answers

    What is the function of the RFLAGS register in the microprocessor?

    <p>(Carry) flag for arithmetic and logic operations</p> Signup and view all the answers

    Study Notes

    Microprocessor 8086 Specifications

    • The microprocessor 8086 has 29,000 transistors.
    • The microprocessor 8086 operates at a clock frequency of 4.77-5.5 MHz.

    Memory Access and Registers

    • The microprocessor 8086 uses 20 bits for addressing memory.
    • The Bus Interface Unit (BIU) in the microprocessor 8086 is responsible for accessing memory and peripherals.
    • The microprocessor 8086 has 14 16-bit registers.

    Introduction and Registers

    • The microprocessor 8086 was introduced in 1979.
    • The Execution Unit in the 8086 microprocessor is responsible for executing instructions.
    • The AX register is used for multiplication, division, and some adjustment instructions.
    • Before a division operation, the RDX register holds the dividend.

    Registers and Memory

    • The RBP register is used as the base pointer for memory data transfers.
    • The RIP register holds the memory address of the next instruction to be executed.
    • The RFLAGS register is used to store the result of arithmetic and logical operations, as well as to control the flow of program execution.

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    Description

    Test your knowledge on the architecture and addressing modes of the microprocessor 8086. Learn about its introduction, specifications, memory locations, I/O ports, and operating modes.

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