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  • Question
  • Since microprocessor CPUs do not understand mnemonics as they are, they have to be converted into __________.


  • Options
  • A. hexadecimal machine code
  • B. high-level language
  • C. assembly language
  • D. hexadecimal machine code and assembly language

  • Correct Answer
  • hexadecimal machine code 


  • Computer Hardware and Software problems


    Search Results


    • 1. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the _________.

    • Options
    • A. stack pointer
    • B. program counter
    • C. instruction pointer
    • D. accumulator
    • Discuss
    • 2. The register in the 8085 microprocessor that is used to keep track of the memory address of the next opcode to be run in the program is the ________.

    • Options
    • A. stack pointer
    • B. program counter
    • C. instruction pointer
    • D. accumulator
    • Discuss
    • 3. The control bus and memories share a bidirectional bus in a typical microprocessor system.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. To keep the number of IC pins to a minimum, the 8085 uses a multiplexed bus.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. It takes two memory locations (16 bits each) to store an address in the 8085 system.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The first part of a machine language instruction that specifies the operation to be performed is called a(n) __________.

    • Options
    • A. mnemonic
    • B. opcode
    • C. interrupt
    • D. instruction cycle
    • Discuss
    • 7. The __________ program is used to convert mnemonic code to machine code.

    • Options
    • A. debug
    • B. C++
    • C. fortran
    • D. assembler
    • Discuss
    • 8. The circuits in the 8085 that provide the arithmetic and logic functions are called the __________.

    • Options
    • A. CPU
    • B. ALU
    • C. I/O
    • D. bus decoder
    • Discuss
    • 9. A(n) ________________ is the time it takes a microprocessor to fetch and execute a complete instruction.

    • Options
    • A. instruction cycle
    • B. machine cycle
    • C. timing cycle
    • D. write cycle
    • Discuss
    • 10. All computer programs for a machine are called ________.

    • Options
    • A. software
    • B. firmware
    • C. hardware
    • D. none of the above
    • Discuss


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