logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics Digital Concepts Comments

  • Question
  • Demultiplexing is a logic function that ________.


  • Options
  • A. determines which of several inputs is the greatest
  • B. switches logic from one input to any of several output lines
  • C. switches logic from several inputs onto one output line
  • D. converts a code from one form to another

  • Correct Answer
  • switches logic from one input to any of several output lines 


  • Digital Concepts problems


    Search Results


    • 1. The combination of waveforms consisting of the given figures 1 and 2 is generally referred to as ________.


    • Options
    • A. simultaneous waveforms
    • B. a timing diagram
    • C. two-phase waveforms
    • D. pulse waveforms
    • Discuss
    • 2. The systems shown in the given figure transfer data ________.


    • Options
    • A. serially
    • B. sequentially
    • C. in parallel
    • D. both serially and sequentially
    • Discuss
    • 3. The decimal system is composed of ________ symbols.

    • Options
    • A. 2
    • B. 8
    • C. 10
    • D. 16
    • Discuss
    • 4. The control and arithmetic/logic units are often considered as one unit called the ________.

    • Options
    • A. central processing unit
    • B. inputs and outputs
    • C. microcomputer
    • D. arithmetic/logic unit
    • Discuss
    • 5. The invalid range for an input to TTL logic is from ________.

    • Options
    • A. 0 to 0.8 V
    • B. 1.2 to 1.6 V
    • C. 0.8 to 2.0 V
    • D. 2.0 to 5.0 V
    • Discuss
    • 6. To determine which of two binary numbers is larger, you could use a(n) ________.

    • Options
    • A. register
    • B. adder
    • C. encoder
    • D. magnitude comparator
    • Discuss
    • 7. The set of instructions for a computer is called a(n) ________.

    • Options
    • A. program
    • B. input
    • C. output
    • D. control unit
    • Discuss
    • 8. Other ________ are often used to interpret or represent binary quantities for the convenience of the people who work with and use these digital systems.

    • Options
    • A. analog systems
    • B. digital systems
    • C. number systems
    • D. binary systems
    • Discuss
    • 9. Memory devices that use electronic latching circuits are called ________.

    • Options
    • A. RAM
    • B. flip-flops
    • C. magnetic tape
    • D. DRAM
    • Discuss
    • 10. ________ is the highest-value seven-bit binary number.

    • Options
    • A. 128
    • B. 127
    • C. 126
    • D. 125
    • Discuss


    Comments

    There are no comments.

Enter a new Comment