Computer Architecture Instructions Quiz
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Questions and Answers

What is the purpose of the operation code in a machine instruction?

  • Indicates the result of the operation
  • Identifies the source operands
  • Determines the location of the next instruction
  • Specifies the operation to be performed (correct)
  • In machine instruction, what does the source operand reference refer to?

  • Symbolic representation of the opcode
  • Next instruction reference
  • Results of the operation
  • Input for the operation (correct)
  • How are operands represented in machine language programs?

  • Symbolically (correct)
  • Binary form
  • Octal form
  • Hexadecimal form
  • What is the purpose of the result operand reference in a machine instruction?

    <p>Results of the operation</p> Signup and view all the answers

    Where can an instruction's next instruction reference point to in a processor?

    <p>I/O device</p> Signup and view all the answers

    What is required to construct binary machine instructions from symbolic input in a program?

    <p>Conversion of opcodes and operands to binary form</p> Signup and view all the answers

    Which instruction stops instruction execution and places the processor in a halt state?

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

    Which instruction performs no operation and takes up space in the instruction stream?

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

    Which instruction checks the state of one or more status flags in the register?

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

    Which instruction interrupts the current program and runs a specified interrupt program?

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

    Which instruction transfers program control to a different point in the instruction stream without recording the return information?

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

    Which instruction is a multi-byte instruction that does not impact the machine context?

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

    What is the primary purpose of data transfer instructions in machine language?

    <p>To transfer data between memory, registers, or stack</p> Signup and view all the answers

    Which components must be specified in a data transfer instruction?

    <p>Source operand, destination operand, and length of data</p> Signup and view all the answers

    What is the role of addressing mode in data transfer instructions?

    <p>It identifies the location of the source and destination operands</p> Signup and view all the answers

    In the context of instruction cycle, what is typically the next instruction to be fetched?

    <p>The instruction following the current instruction</p> Signup and view all the answers

    When is an explicit reference to the next instruction needed in an instruction cycle?

    <p>When the program flow is determined by conditional or unconditional branches</p> Signup and view all the answers

    What is the primary purpose of machine instructions categorized as data storage instructions?

    <p>To store data into registers or memory locations</p> Signup and view all the answers

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