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  • Question
  • The Gray code for decimal 7 is


  • Options
  • A. 0111
  • B. 1011
  • C. 0100
  • D. 0101
  • E. None of the above

  • Correct Answer
  • 0100 


  • Digital Computer Electronics problems


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    • 1. A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that

    • Options
    • A. it operates much faster
    • B. it is considerably larger
    • C. it is controlled by voltage rather than by current, so that it requires very little current at the control terminal
    • D. it is controlled by current rather than by voltage like a bipolar transistor.
    • E. None of the above
    • Discuss
    • 2. Conversion of binary number 10010012 to hexadecimal is

    • Options
    • A. 4016
    • B. 3916
    • C. 4916
    • D. 4216
    • E. None of the above
    • Discuss
    • 3. Flip-flop outputs are always

    • Options
    • A. complimentary
    • B. the same
    • C. independent of each other
    • D. same as inputs
    • E. None of the above
    • Discuss
    • 4. The ASCII

    • Options
    • A. is a subset of 8-bit EBCDIC
    • B. is used only in Western Countries
    • C. is version II of the ASC Standard
    • D. has 128 characters, including 32 control characters
    • E. None of the above
    • Discuss
    • 5. An inverter is also called a _____ gate.

    • Options
    • A. NOT
    • B. OR
    • C. AND
    • D. NAND
    • E. None of the above
    • Discuss
    • 6. A diagram that illustrates the ore (Logic) of functions in a progran called a

    • Options
    • A. Flowchart
    • B. Sequence of steps
    • C. Direction of flow
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. Conversion of binary number 1011012 to hexadecimal is

    • Options
    • A. 3716
    • B. 2D16
    • C. 2E16
    • D. 2716
    • E. None of the above
    • Discuss
    • 8. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

    • Options
    • A. NMOS, PMOS
    • B. PMOS, CMOS
    • C. NMOS, CMOS
    • D. MOSFET, PMOS
    • E. None of the above
    • Discuss
    • 9. The output 0 and 1 levels for TTL logic family is approximately

    • Options
    • A. 0.1 and 5 V
    • B. 0.6 and 3.5 V
    • C. 0.9 and 1.75V
    • D. -1.75 and -0.9 V
    • E. None of the above
    • Discuss
    • 10. Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH

    • Options
    • A. 63
    • B. 32
    • C. 16
    • D. 38
    • E. None of the above
    • Discuss


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