logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Digital Computer Electronics Comments

  • Question
  • The logic 1 in positive logic system is represented by:


  • Options
  • A. zero voltage
  • B. lower voltage level
  • C. higher voltage level
  • D. negative voltage
  • E. None of the above

  • Correct Answer
  • higher voltage level 


  • Digital Computer Electronics problems


    Search Results


    • 1. A combinational logic circuit which generates particular binary word or number is

    • Options
    • A. decoder
    • B. multiplexer
    • C. encoder
    • D. demultiplexer
    • E. None of the above
    • Discuss
    • 2. The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

    • Options
    • A. decimal
    • B. binary
    • C. ASCE
    • D. BCD
    • E. None of the above
    • Discuss
    • 3. Names, numbers, and other information needed to solve a problem are called _____

    • Options
    • A. program
    • B. instruction
    • C. data
    • D. controls
    • E. None of the above
    • Discuss
    • 4. A binary adder is a logic circuit that can add _____ binary numbers at a time.

    • Options
    • A. Hundreds
    • B. Thousands
    • C. One
    • D. Two
    • E. None of the above
    • Discuss
    • 5. Which of the following is not functionally a complete set?

    • Options
    • A. AND, OR
    • B. NAND
    • C. NOR
    • D. AND, OR, NOT
    • E. None of the above
    • Discuss
    • 6. A multiplexer is also known as

    • Options
    • A. coder
    • B. decoder
    • C. data selector
    • D. multivibrator
    • E. None of the above
    • Discuss
    • 7. Cyclic codes are used in

    • Options
    • A. data transfer
    • B. continuously varying signal representation
    • C. arithmetic and logical computation
    • D. All of the above
    • E. None of the above
    • Discuss
    • 8. Conversion of binary number 1100002 to hexadecimal is

    • Options
    • A. 3016
    • B. 4016
    • C. 4316
    • D. 2716
    • E. None of the above
    • Discuss
    • 9. The number of two-input NAND gates required to produce the two-input OR function is

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • E. None of the above
    • Discuss
    • 10. What does 4k represent?

    • Options
    • A. 4000
    • B. 4096
    • C. 40
    • D. 400
    • E. None of the above
    • Discuss


    Comments

    There are no comments.

Enter a new Comment