1. Sketch the suitable pin diagram of the 555 timer.
2. Describes the function of the voltage regulator?
3. What do you mean by distortion factor?
4. Write down the advantages of digital voltmeter over analog Voltmeter?
5. What do you mean by force – summing device?
6. Sketch the block diagram of the simple frequency counter.
7. Explain deflection sensitivity in detail.
8. Write down the precautions should be taken when using a Sampling oscilloscope?
9. What do you mean by Bar-graph display?
10. Sketch the internal arrangement of LED’s in 3 x 3 dot matrix.