| 1 |
The device which converts digital quantities into analog quantities is called: |
- A. ADC
- B. DAC
- C. ACD
- D. CAD
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| 2 |
<p class="MsoNormal">Big unit of capacitance is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Farad<o:p></o:p></p>
- B. <p class="MsoNormal">Volt<o:p></o:p></p>
- C. <p class="MsoNormal">Watt<o:p></o:p></p>
- D. <p class="MsoNormal">Coulomb<o:p></o:p></p>
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| 3 |
<p class="MsoNormal">Positive charge can be produced by:<o:p></o:p></p> |
- A. <p class="MsoNormal">Combing in hair<o:p></o:p></p>
- B. <p class="MsoNormal">Rubbing glass rod on silk<o:p></o:p></p>
- C. <p class="MsoNormal">By rubbing ebonite rod on wool<o:p></o:p></p>
- D. <p class="MsoNormal">By rubbing glass rod wool<o:p></o:p></p>
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| 4 |
The output of a NAND gate is 0 when |
- A. Both of its inputs are 0
- B. Both of its inputs are 1
- C. any of its inputs is 0
- D. any of its inputs is 1
|
| 5 |
The closed switch in Boolean expression is represented by: |
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| 6 |
<p class="MsoNormal">If the field is stronger than lines of force are to each
other:<o:p></o:p></p> |
- A. <p class="MsoNormal">Far away<o:p></o:p></p>
- B. <p class="MsoNormal">Separated<o:p></o:p></p>
- C. <p class="MsoNormal">Closer<o:p></o:p></p>
- D. <p class="MsoNormal">No effect<o:p></o:p></p>
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| 7 |
The logical operation performed by this gate is: |
- A. AND
- B. NOR
- C. NAND
- D. OR
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| 8 |
In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called: |
- A. Cathode rays
- B. X-rays
- C. Alpha rays
- D. Gamma rays
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| 9 |
<p class="MsoNormal">Electric field lines were introduced by:<o:p></o:p></p> |
- A. <p class="MsoNormal">Faraday<o:p></o:p></p>
- B. <p class="MsoNormal">Newton<o:p></o:p></p>
- C. <p class="MsoNormal">Coulomb<o:p></o:p></p>
- D. <p class="MsoNormal">Joule<o:p></o:p></p>
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| 10 |
The converter of analogue to digital signal is: |
- A. ADC
- B. DAC
- C. ATDC
- D. None of these
|