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Electronics Mechanic Practice Test: Cathode Ray Oscilloscope
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Electronics Mechanic Practice Test: Cathode Ray Oscilloscope
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25 Questions

1. Which circuit is used in Digital Storage Oscilloscope (DSO) to convert the input sample voltage into digital information?
2. Which function is performed by the sample / Hold circuit along with the ADC in Digital Storage Oscilloscope?
3. What is the full form of C.R.O?
4. The trigger control of a CRO controls_________
5. The substance used in coating a phosphor layer inside the screen of a CRT is ______
6. Which type of waveform is available in pin number 3 of IC 8038 function generator?
7. The sensitivity of a CRO is determined by its__________
8. What is the advantage of the Digital Storage Oscilloscope?
9. Which part of the DSO stores the processed data of input signal voltage?
10. Which acquisition mode is used by the DSO to sample the highest and lowest values of the input signal?
11. What type of wave form is available at pin number 2 of function generator IC 8038?
12. In a CRT, the emission of electrons takes place at temperature________
13. Which function makes a stable waveform displayed on the DSO screen?
14. Lissajous figures are used in the measurement of _________
15. The heart of an oscilloscope is __________
16. Measurement of high frequencies above 100 MHz can be carried out on a __________
17. The waveform used in CRO for deflecting the beam from left to right is __________
18. The frequency range of a sweep oscillator used in a CRO is kept________
19. CRT used in CRO requires a high positive voltage of the range of _________
20. What is the purpose of sampling in DSO operation?
21. What is the full form of D.S.O?
22. A dual beam oscilloscope consists of ___________
23. The intensity of the beam display on the CRO screen should be kept for _______
24. How the overall operation of DSO is controlled?
25. The sensitivity of an oscilloscope should be __________

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