| What do you call the random data send continuously by the NIC that disrupts the whole area network? |
| What law regulates the operation of cable antenna system in the Phil? |
| Which of the following is the nearest star to the solar system? |
| What is the shifting of antenna pattern so that the major lobe is at an angle below the horizontal? |
| What allows one antenna to be used for reception and transmission without mutual interference? |
| What is the term used to describe an ordinary voice telephony? |
| What do you call the call that cannot be completed because of the central office or PBX switching capacity is full at the time the call attempted? |
| Why does an FM antenna ammeter not change with modulation? |
| What is meant by peak white? |
| In color CRT, what refers to adjustment of the three electron beam so that each lens can phosper dots on the appropriate color? |
| In a satellite system, what do you call the focus beam of energy that covers a relatively small area on the earth produced by high gain antenna on the satellite? |
| What radio system was developed to provide high speed packet data access for the GSM network? |
| How wide are the GSM channels? |
| What type of radar is used for speed measurements such as the one used by the police or the police radar? |
| With what type of emission does this tuning by 200Hz materially degrade the received signal? |
| Why does a high Q circuit discriminate against harmonics? |
| What will you change in order that gain of transistor amplifier can vary? |
| What are 2 function of a buffer amplifier? |
| How much of the emission must be within the bandwidth of the transmitter |
| What type of 2nd detector is used for SSB and CW |
| In FM broadcasting, what is the lowest used modulating frequency? |
| What is the emission designation for VHF FM? |
| Why does a higher impedance line have lower copper loss than a lower impedance line? |
| What is considered as the simplest transmitter keyed on and off to produce CW Morse code? |
| Occasionally rockets will contain more than one satellite, what do you call the main satellite to be launched? |
| What are the 2 basic types of radar? |
| How many orbital plans which are equally spaced around the equator in GPS operational constellation? |
| What is the popular fiber optics cable with the glass core and plastic cladding called? |
| What is a FM receiver that causes a stronger signal to dominate the weaker signal in the same frequency? |
| What is the advantage of using SSB suppressed carrier AM as the modulation scheme for FDM telephony? |
| What may cause ionic disturbance characterized by rapid cluttering sound hence voice communication is poor? |
| What is used to convert the scene or object nearest to view the electrical signal which can be used to modulate the carrier? |
| What is the advantage of toroid inductors over air core inductors? |
| The mandatory 24 ship-to-shore communications from 1910-1912 was established by the US, Great Britain and other maritime nation as the direct result of the sinking of the 2 famous ships, which are? |
| How much is the filling fee for application of MDSCP or MPDP |
| The frequency tolerance of FM broadcast stations is _____ above or below the assigned frequency? |
ANSWERS:
| Jabber |
| EO 205 |
| Proxima Centauri |
| Down tilt |
| Duplexer |
| POTS |
| Block call |
| No power added with modulation |
| The video signal represents max luminance |
| Purity |
| Spot beam |
| GPRS |
| 200kHz |
| CW Doppler radar |
| J3E |
| Because of purer sine wave AC |
| The collector current |
| Amplify and isolate |
| 99% |
| Heterodyne |
| 26Hz |
| F3E |
| Because higher impedance line has lower current for a given power level |
| The oscillator |
| Initial payload |
| Pulse and CW |
| 6 |
| PCS (plastic clad silica) |
| Capture effect |
| It has the least bandwidth |
| Aurora borealis |
| Television camera |
| High permeability of the core |
| The Republic and The Titanic |
| Php180 |
| 2000Hz |
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