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Home ‣ Electronics and Communication Engineering ‣ Matching Questions See What Others Are Saying!
  • Question

  • Match the following:

    List I List II
    A. Multiplexer 1. Sequential memory
    B. De-multiplexer 2. Converts decimal number to binary
    C. Shift register 3. Data selector
    D. Encoder 4. Routes single input to many outputs


  • Options
  • A. A-3, B-4, C-1, D-2
  • B. A-4, B-3, C-1, D-2
  • C. A-3, B-4, C-2, D-1
  • D. A-1, B-2, C-3, D-4

  • Correct Answer
  • A-3, B-4, C-1, D-2 

    • More questions

    • 1. In which of these is reverse recovery time nearly zero?

    • Options
    • A. Zener diode
    • B. Tunnel diode
    • C. Schottky diode
    • D. PIN diode
      • Discuss
    • 2. The number of leads in a DIAC are

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 6
      • Discuss
    • 3. A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is

    • Options
    • A. 20 mH
    • B. about 31 mH
    • C. about 51 mH
    • D. about 92 mH
      • Discuss
    • 4. The capacitance of a capacitor is not affected by

    • Options
    • A. area of plates
    • B. thickness of plates
    • C. ?r
    • D. distance between plates
      • Discuss
    • 5. In a semi converter feeding a resistive load

    • Options
    • A. the waveshapes of output voltage and output current are exactly similar
    • B. the waveshapes of output voltage and output current can not be similar
    • C. the waveshapes of output voltage and output current are similar only for low values of firing angle
    • D. the waveshapes of output voltage and output current may be similar or dissimilar
      • Discuss
    • 6. The field pattern of a solenoid is similar to that of bar magnet.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Match the following:

      List I (Logic family) List II (Characteristic of logic family)
      A. TTL 1. Maximum power Consumption
      B. ECL 2. Highest Packing Density
      C. NMOS 3. Least Power Consumption
      D. CMOS 4. Saturated Logic


    • Options
    • A. A-1, B-4, C-2, D-3
    • B. A-1, B-4, C-3, D-2
    • C. A-4, B-1, C-2, D-3
    • D. A-4, B-1, C-3, D-2
      • Discuss
    • 8. An electron shell corresponding to principal quantum number n can contain a maximum of

    • Options
    • A. n2 electrons
    • B. 2n2 electrons
    • C. 2n electron
    • D. n3 electron
      • Discuss
    • 9. The diagram to show distance time history of electrons in klystron amplifier is called

    • Options
    • A. apple gate diagram
    • B. asynchronous diagram
    • C. bunching diagram
    • D. velocity modulation diagram
      • Discuss
    • 10. Spontaneous magnetisation is characteristic of ferromagnetic materials.

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

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