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  • Question

  • To keep the number of IC pins to a minimum, the 8085 uses a multiplexed bus.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Computer Hardware and Software problems

    Search Results

    • 1. It takes two memory locations (16 bits each) to store an address in the 8085 system.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A compiler is a translation program that converts high-level instructions into a set of binary instructions (machine code) for execution.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An address bus is also called a unidirectional bus.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A machine cycle is the time it takes a microprocessor to fetch and execute a complete instruction.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A mnemonic is an English-like instruction that is converted by an assembler into a machine code for use by a processor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The control bus and memories share a bidirectional bus in a typical microprocessor system.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 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
    • 8. 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
    • 9. 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
      • Discuss
    • 10. 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

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