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  • Question
  • The reduced form of the Boolean expression (A+B)(A+C) is:


  • Options
  • A. AB+AC
  • B. A+B+C
  • C. AC+B
  • D. A+BC
  • E. None of the above

  • Correct Answer
  • A+BC 


  • Digital Computer Electronics problems


    Search Results


    • 1. Which function positive logic is equivalent to OR function in negative logic?

    • Options
    • A. NOT
    • B. AND
    • C. OR
    • D. NOR
    • E. None of the above
    • Discuss
    • 2. For an input pulse train of clock period T, the delay produced by an n stage shift register is

    • Options
    • A. (n-l)T
    • B. nT
    • C. (n+l)T
    • D. 2nT
    • E. None of the above
    • Discuss
    • 3. A flip-flop can store

    • Options
    • A. one bit of data
    • B. two bits of data
    • C. three bits of data
    • D. any number of bits of data
    • E. None of the above
    • Discuss
    • 4. The functional capacity of SSI devices is

    • Options
    • A. 1 to 11 gates
    • B. 12 to 99 gates
    • C. 100 to 10,000 gates
    • D. more than 10,000 gates
    • E. None of the above
    • Discuss
    • 5. Conversion of a hexadecimal number 6316 to binary number is

    • Options
    • A. 11001112
    • B. 11000112
    • C. 1110112
    • D. 11001112
    • E. None of the above
    • Discuss
    • 6. _____ has become the most widely used bipolar family.

    • Options
    • A. DTL
    • B. TTL
    • C. ECL
    • D. MOS
    • E. None of the above
    • Discuss
    • 7. The radix of the binary number is:

    • Options
    • A. 3
    • B. 1
    • C. 2
    • D. 10
    • E. None of the above
    • Discuss
    • 8. When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.

    • Options
    • A. clock
    • B. pulse
    • C. register
    • D. transistor
    • E. None of the above
    • Discuss
    • 9. The output of the following gate is 1 only if at least one of its inputs is 0.

    • Options
    • A. AND gate
    • B. OR gate
    • C. NAND gate
    • D. NOR gate
    • E. None of the above
    • Discuss
    • 10. The number of input words in a truth table always equals _____ where n is the number of inputs bits.

    • Options
    • A. 10n
    • B. 2n
    • C. 4n
    • D. 8n
    • E. None of the above
    • Discuss


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