logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics The 8051 Microcontroller Comments

  • Question
  • Analog output current must be converted into a usable voltage. To perform this current-to-voltage conversion a 700 op amp may be used.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • The 8051 Microcontroller problems


    Search Results


    • 1. Writing counter/loop programs is much more difficult with the introduction of the DJNA and the CJNE instructions.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. In an 8051 program DA A adjusts the value in the accumulator resulting from an addition into two BCDs.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Up to 65K of code memory and 65K of data memory can be added to any of the 8051 family members.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The RST pin requires a HIGH to reset the 8051 microcontroller.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Different instruction sets must make up for the various members of the 8051 family.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. A Celsius thermometer is an application for the 8051 microcontroller.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. The ADC 0804 is an analog-to-digital converter that provides 8-bit output resolution that can be directly interfaced to a microcontroller.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A microcontroller is called a computer on a chip.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A positive binary number is represented by a 1 sign bit.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. Digital systems operate only on discrete digits that represent numbers, letters, or symbols.

    • Options
    • A. True
    • B. False
    • Discuss


    Comments

    There are no comments.

Enter a new Comment