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Home Digital Electronics MSI Logic Circuits See What Others Are Saying!
  • Question
  • The device that is an application of SOP logic is a multiplexer.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • More questions

    • 1. The PAL has an AND and OR structure similar to a PROM, but in the PAL the inputs to the AND gates are programmable, whereas the inputs to the OR gate are hard-wired.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. One of the first steps in any HDL project is to define its scope by naming each input and output.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The basic part numbers of ICs are the same regardless of the manufacturer because digital logic ICs have been standardized.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The duty cycle of a 555 timer configured as a basic astable multivibrator is controlled by ________.

    • Options
    • A. one resistor
    • B. two resistors
    • C. one capacitor
    • D. a resistor and a capacitor
    • Discuss
    • 5. The major advantage of TTL logic circuits over CMOS is lower propagation delay.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The commutative law of addition and multiplication indicates that:

    • Options
    • A. we can group variables in an AND or in an OR any way we want
    • B. an expression can be expanded by multiplying term by term just the same as in ordinary algebra
    • C. the way we OR or AND two variables is unimportant because the result is the same
    • D. the factoring of Boolean expressions requires the multiplication of product terms that contain like variables
    • Discuss
    • 7. What is the name of a digital circuit that produces several repetitive digital waveforms?

    • Options
    • A. an inverter
    • B. an OR gate
    • C. a Johnson shift counter
    • D. an AND gate
    • Discuss
    • 8. The stability of the ADC process can be improved by using a(n) ________ to hold the analog voltage constant while the A/D conversion is taking place.

    • Options
    • A. sample-and-hold circuit
    • B. op-amp comparator
    • C. NPN amp
    • D. current loop
    • Discuss
    • 9. There are many applications in which analog data must be digitized and transferred into a computer's memory. The process by which the computer acquires these digitized analog data is referred to as ________.

    • Options
    • A. sampling
    • B. multiplexing
    • C. data acquisition
    • D. prescaling
    • Discuss
    • 10. An alternate function of port pin P3.4 in the 8051 is:

    • Options
    • A. Timer 0
    • B. Timer 1
    • C. interrupt 0
    • D. interrupt 1
    • Discuss


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