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Home ‣ Digital Electronics ‣ Combinational Logic Circuits See What Others Are Saying!
  • Question

  • Which of the K-maps given below represents the expression X = AC + BC + B?

    Which of the K-maps given below represents the expression X = AC + BC + B? a b c d


  • Options
  • A. a
  • B. b
  • C. c
  • D. d

  • Correct Answer
  • c 

    • More questions

    • 1. The output pulse width of a 555 monostable circuit with R1 = 4.7 kΩ and C1 = 47 µF is ________.

    • Options
    • A. 24 s
    • B. 24 ms
    • C. 243 ms
    • D. 243 µs
      • Discuss
    • 2. What is the minimum voltage required before a diode will allow current to flow between the cathode and the anode?

    • Options
    • A. 0.7 V
    • B. 0.07 V
    • C. 4.3 V
    • D. 0.2 V
      • Discuss
    • 3. The output of an XOR gate is HIGH only when ________.

    • Options
    • A. both inputs = 0
    • B. both inputs = 1
    • C. the two inputs are unequal
    • D. both inputs are undefined
      • Discuss
    • 4. When a computer is executing a program of instructions, the CPU continually fetches information from those locations in memory that contain (1) the program codes representing the operations to be performed and (2) the data to be operated upon.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Usually P-MOS and N-MOS circuits are identical with the exception of the voltage polarities.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Convert the following decimal number to 8-bit binary.
      187

    • Options
    • A. 101110112
    • B. 110111012
    • C. 101111012
    • D. 101111002
      • Discuss
    • 7. The primary advantage of the hexadecimal number system is the ease with which conversion can be made between binary and hexadecimal numbers.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A complex programmable logic device that consists of multiple SPLD arrays with programmable interconnections is called a ________.

    • Options
    • A. bed-of-nails
    • B. boundary scan
    • C. CLB
    • D. CPLD
      • Discuss
    • 10. One advantage of analog circuits over digital circuits is that it's easier to store data.

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

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