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Home Digital Electronics Boolean Algebra and Logic Simplification See What Others Are Saying!
  • Question
  • The commutative law of addition and multiplication indicates that:


  • Options
  • A. we can group variables in an AND or in an OR any way we want
  • B. an expression can be expanded by multiplying term by term just the same as in ordinary algebra
  • C. the way we OR or AND two variables is unimportant because the result is the same
  • D. the factoring of Boolean expressions requires the multiplication of product terms that contain like variables

  • Correct Answer
  • the way we OR or AND two variables is unimportant because the result is the same 


  • More questions

    • 1. Hex is often used in digital applications as a shorthand way to represent strings of bits.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. Four cascaded modulus-10 counters have an overall modulus of ________.

    • Options
    • A. 10
    • B. 100
    • C. 1,000
    • D. 10,000
    • Discuss
    • 3. VHDL is not a new language.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Which is not a removable drive?

    • Options
    • A. Zip
    • B. Jaz
    • C. Hard
    • D. SuperDisk
    • Discuss
    • 5. Which microprocessor has multiplexed data and address lines?

    • Options
    • A. 8086/8088
    • B. 80286
    • C. 80386
    • D. Pentium
    • Discuss
    • 6. One of the stages in a register consists of a latch.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A VHDL component is a predefined logic function.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. L1 is known as ________.

    • Options
    • A. primary cache
    • B. secondary cache
    • C. DRAM
    • D. SRAM
    • Discuss
    • 9. All inputs to the MAX7000S device and all macrocell outputs feed the PIA.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.

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


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