Telecommunication Switching Systems And Network! Amos Quiz
15 Questions
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Questions and Answers
- 1.SPC stands
- A.
Standard Protocol Control
- B.
Stored Program Control
- C.
Signaling and switching Centre
- D.
Signaling Process Center
- 2.For two-stage network, the switching elements for M inlets with r blocks and N outlets with s blocks are given by
- A.
Ms + Nr
- B.
Mr + Ns
- C.
(M + N) (r + s)
- D.
(M + N)rs
- 3.As per Nyquist criterion, the sampling rate is: Where fs is the signal frequency
- A.
2fs
- B.
(1/2)fs
- C.
(1/2fs)
- D.
(2/fs)
- 4.To receive satellite signal feed is kept at ________________ of PDA.
- 5.Peak to peak value of an a.c. voltage can be measured with the help of ____________________
- 6.Type of modulation used in visual section of a transmitter.
- A.
Positive A.M.
- B.
Negative A.M
- C.
F.M.
- D.
None of the above.
- 7.The Difference between video I.F. & audio I. F in TV transmitter is
- A.
4.43 MHz
- B.
3.50 MHz
- C.
5.50 MHz
- D.
None of the above.
- 8.Duration of vertical blanking is
- A.
4.7 microsecond
- B.
0.2 milli second
- C.
1.6 milli second
- D.
None of the above
- 9.Duration of horizontal sync pulse is
- A.
1. 64 microsecond
- B.
2. 1.6 milli second
- C.
3. 4.7 micro second
- D.
None of these
- 10.I.F. at output of TV Receiver tuner for video is
- A.
38.9 MHz
- B.
33.4 MHz
- C.
40.5 MHz
- D.
40.5 MHz
- 11.A slotted antenna is used for
- A.
VHF
- B.
UHF
- C.
Both VHF & UHF
- D.
None of the above
- 12.The PDA used for TVRO is used for
- A.
Receiving signals
- B.
Transmitting signals
- C.
Both as (a) & (b) simultaneously
- D.
None of the above
- 13.Three Primary Colours in TV Transmission are
- A.
Red, Green, Blue
- B.
Red, Yellow, Blue
- C.
Red, Yellow, Blue
- D.
None of the above
- 14.Colour Temperature of average day light is
- A.
3200 K
- B.
5600 K
- C.
6500 K
- D.
None of the above.
- 15.Eye is more sensitive to
- A.
Red
- B.
Green
- C.
Blue
- D.
Violet
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