x86 Architecture: General-Purpose Registers and Segments
12 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the two-letter abbreviation for the accumulator register in 32-bit mode?

  • AX
  • EX
  • RAX
  • EAX (correct)
  • Which register is used as the base register and can be accessed in 8-bit LSB as BL and in 8-bit MSB as BH?

  • DX
  • BX (correct)
  • AX
  • CX
  • What does the 'E' prefix in 'EAX' indicate in the x86 architecture?

  • Eight-bit
  • Enhanced
  • Extended (correct)
  • Existing
  • Which register can be accessed as CL for its least significant byte and CH for its most significant byte?

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

    How many ways are there to access the accumulator, counter, data, and base registers in the x86 architecture?

    <p>5</p> Signup and view all the answers

    In the x86 architecture, which registers are accessed using an 'R' prefix in their 64-bit versions?

    <p>General-Purpose Registers</p> Signup and view all the answers

    What is the purpose of the EFLAGS register in x86 architecture?

    <p>To represent Boolean values and store operation results</p> Signup and view all the answers

    How is negative integers represented in binary using Two's Complement?

    <p>By inverting all bits and adding one</p> Signup and view all the answers

    What does the x86 architecture use to write multi-byte values in memory?

    <p>Least significant byte first</p> Signup and view all the answers

    How many general-purpose registers are available in 64-bit x86 architecture?

    <p>8</p> Signup and view all the answers

    In x86 assembly language, what do addressing modes determine?

    <p>How memory operands are specified in instructions</p> Signup and view all the answers

    Which register contains the address of the next instruction to be executed if no branching is done?

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

    More Like This

    Use Quizgecko on...
    Browser
    Browser