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1. Add 79H and 86H and tell the contents of flags

2. Scr is used for _____ ( ac, dc , both )

3. Push pull amplifier is used to remove which harmonics ( even , odd , both )

4. PAM is demodulated using ___ ( low pass filter , high pass filter )

5. 16k memory is needed. How many chips with 12 address buses and 4 data
    buses are needed.

6. AM wave is detected using _________ detector

7. Which flip flop is used for shift registers

8. Program counter does what __ (stores a memory address, address of the present instruction)

9. In a bistable multivibrator communication capacitor is used for ______ ( speed up response , ac coupling)

10. Totem pole is what?

11. Time costant for an integrator and differentiator should be ( small , high etc.)

12.TV waves are __ ( sky waves , space waves etc.)

13.Which configuration has highest i/p imp. ( ce , cb , cc )

14. Parabolic antenna with 2degree angle. What is its directivity.

15. Given 10 mhz pe modulation and we got a 100 mhz band.
      How many channels can be there.

16. If o/p power is doubled by how much does the sound increase ( 1db,2db,3db )

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