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  • Question
  • A full-adder adds _____ bits, and producing a SUM and a _____


  • Options
  • A. 8, SUBTRACTION
  • B. 3, CARRY
  • C. 16, DIVIDE
  • D. All of the above
  • E. None of the above

  • Correct Answer
  • 3, CARRY 


  • Digital Computer Electronics problems


    Search Results


    • 1. Which of the following electronic component is not found in ordinary ICs?

    • Options
    • A. diodes
    • B. resistors
    • C. transistors
    • D. inductors
    • E. None of the above
    • Discuss
    • 2. The clock signals are used in sequential logic circuits

    • Options
    • A. to tell the time of the day
    • B. to tell how much time has elapsed since the system was turned on
    • C. to carry serial data signals
    • D. to synchronize events in various parts of a system
    • E. None of the above
    • Discuss
    • 3. A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.

    • Options
    • A. wire
    • B. bus
    • C. gate
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is

    • Options
    • A. JK flip-flop
    • B. D flip-flop
    • C. T flip-flop
    • D. Master slave JK flip-flop
    • E. None of the above
    • Discuss
    • 5. The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

    • Options
    • A. low, high
    • B. high, low
    • C. odd, even
    • D. even, odd
    • E. None of the above
    • Discuss
    • 6. The octal equivalent of decimal 324.987 is

    • Options
    • A. 504.771
    • B. 640.781
    • C. 815.234
    • D. 90.987
    • E. None of the above
    • Discuss
    • 7. Conversion of an octal number 608 to binary number is

    • Options
    • A. 1100002
    • B. 100112
    • C. 11001112
    • D. 11001102
    • E. None of the above
    • Discuss
    • 8. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

    • Options
    • A. De Morgan
    • B. Standard
    • C. Schottky
    • D. Karnaugh
    • E. None of the above
    • Discuss
    • 9. Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

    • Options
    • A. 10110101110102
    • B. 11110110000102
    • C. 10001010001012
    • D. 010010000000102
    • E. None of the above
    • Discuss
    • 10. Conversion of a octal number 638 to its decimal number is

    • Options
    • A. 5110
    • B. 6110
    • C. 5710
    • D. 5310
    • E. None of the above
    • Discuss


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