Control Instructions and Status Flags in Assembly Language
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Questions and Answers

Which of the following represents a flag that indicates whether the result of an arithmetic operation was zero?

  • Parity flag
  • Auxiliary carry flag
  • Sign flag
  • Zero flag (correct)
  • In a microprocessor, which type of flag would indicate if there was a carry out during an arithmetic operation?

  • Auxiliary carry flag
  • Carry flag (correct)
  • Zero flag
  • Sign flag
  • Which addressing mode is essential for software development on a microprocessor according to the text?

  • Direct addressing mode
  • Data-addressing mode (correct)
  • Register addressing mode
  • Indirect addressing mode
  • In the MIPS R3000 ISA, what type of architecture-dependent information is reflected by the status flags?

    <p>Size and meanings of the flag bits</p> Signup and view all the answers

    What types of flags are included in many processor architectures such as MIPS RISC?

    <p>Parity, auxiliary carry, zero</p> Signup and view all the answers

    Which ALU operation typically sets the condition code flags in the Condition Code Register?

    <ul> <li>(addition)</li> </ul> Signup and view all the answers

    Which type of instructions store operands in a pushdown stack?

    <p>Zero address instructions</p> Signup and view all the answers

    In which architecture do register-register instructions have 0 memory operands?

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

    Which type of instruction in MIPS R3000 ISA would involve dest(reg), src1(reg), src2(mem) operands?

    <p>Three-operand instructions</p> Signup and view all the answers

    What is the purpose of the POP instruction in computer systems?

    <p>Get data from the stack</p> Signup and view all the answers

    Which instruction is used to copy data from a source to a destination in computer systems?

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

    In MIPS RISC processor architecture, what does a zero address instruction imply?

    <p>Operands are represented implicitly</p> Signup and view all the answers

    What is the purpose of the MIPS architecture originally developed by MIPS Computer Systems, Inc.?

    <p>To enable high-performance computing with low power consumption</p> Signup and view all the answers

    In the MIPS R3000 ISA, how wide are the general-purpose registers?

    <p>32-bits</p> Signup and view all the answers

    What is the function of the Arithmetic Logical Unit (ALU) in the MIPS R3000 architecture?

    <p>Performs arithmetic and logical operations on 32-bit inputs</p> Signup and view all the answers

    Which of the following addressing modes is NOT supported by the MIPS R3000 ISA?

    <p>Stack addressing mode</p> Signup and view all the answers

    What is a notable feature of MIPS processors that makes them well-suited for portable devices and embedded systems?

    <p>High performance and low power consumption</p> Signup and view all the answers

    Which flag in ALU operations indicates an overflow when performing signed arithmetic?

    <p>Sign flag</p> Signup and view all the answers

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