| Given a 63.5µs vertical retrace line, how many complete horizontal lines are scanned in a vertical flyback? |
| When a ferrite is subjected to a magnetic field from a permanent magnet, the electrons spins experience what phenomenon? |
| What are the two types of network software? |
| What do you find at the center of a star topology? |
| What is used to fire a geosynchronous satellite to attain its final circular geostationary orbit? |
| What is the flicker nose voltage of a wirewound resistor? |
| What is the flicker noise voltage of a carbon composition? |
| What camera tube uses lead oxide for the photoconductive…? |
| What is the most common filter used in SSB? |
| What radio transmission process where the message or video communications are sent to the radio channels that changes frequencies in a pre-determined order? |
| What is the IMT-2000 maximum data rate for mobile user in a high speed vehicle? |
| A licensed and registered ECE can apply for professional Electronics Engineer if he registered how may years after the effectivity of RA 9292? |
| What is the signal sent y the network to the calling telephone in order to indicate theat the called telephone is ringing? |
| What is the advantage of optical fiber made up of plastic? |
| ICT means |
| The maximum radiation from any electronic equipment should not exceed _______ mr per week? |
| Depending on the terrain a microwave system uses line of sight propagation and may require repeater approximately every ______ |
| A type of card with embedded integrated circuit with functions that can be used in storing subscriber information in a PCS system |
| What is the technique employed in networks to avoid accidental flags (adding bits)? |
| What law created the MTRCB |
| What is another name for pink noise? |
| What is the frequency separation between the forward channel and the reverse channel in a cellular communication system? |
| What is the tone produced by a sound source other than the fundamental tone? |
| What is the digital audio compression that substitutes MP3 audio? |
| In the operation and maintenance of cable TV system, you need a |
| What is the amount of sound attenuation offered by the wall, ceiling and floor? |
| What is the typical range of velocity factor in a coaxial cable? |
| What devices are inserted into a telephone channel if the total net loss of the trunk circuit exceeds about 2.5 dB? |
| The orbits of the GPS satellites are nearly circular with inclination angles of ____ degrees relative to the equator |
| GPS satellite separation |
| Why is geostationary satellite not stationary for region near poles of the earth? |
| What is the maximum bit rate for fiber optic cable? |
| Which modulation is the most noise resistant? |
| What is the science of measuring of light visible to human eye? |
| What is the center impedance of a half wave antenna? |
| What is the increase in the network capacity that can be achieved by 3G wireless system? |
| What is the major benefit of DSB and SSB? |
| How much is the fine of unauthorized servicing of mobile phones? |
| Binary pattern of ones and zeros arranged in random? |
| If an audio signal is lost on a high frequency, what can be added to it to flatten the response? |
| A network using microwaves for two-way transmission of telephony, television, and high-speed data |
| What is the speed of the geostationary satellite? |
| What is the technique used in MPEG 2 compression? |
| What refers to the ability of the FM receiver to receive the stronger of the two signals and ignoring the weaker one? |
| What is the primary advantage of microwave? |
| What class of mobile phone whose maximum power output level is specified as the ERP of 2dB watts? (1.6 Watts) |
| How many different symbols are possible outputs of a 16QAM modulator? |
| What refers to the reflection at the interface of two optical materials which depends on their refractive index and the angle in which light strikes the interface |
| What type of message in radio control channel in cellular systems tells a particular mobile telephone that a call is to be received? |
| What is the modulation method used in European cordless telephone? |
| What do you call the calls which cannot be completed because the central office or PBX switching capacity was full at the time the call was attempted? |
| What layer in the OSI is responsible for transmitting bits in the communications channel? |
| What is the ratio of the speed of light in air to the speed of light in another medium? |
| The memory storage in cellular phones for the telephone number to be used are stored in what is known as |
| What types of microphone produce low 2 outputs? |
| What is the speech coding rate of GSM for cellular system? |
| What is the bandwidth of GSM? |
| What formula is used in determining the overall noise performance of a receiver of multiple stages of RF amplification? |
| What is the lowest layer in the OSI model that deals with matters such as voltage and current levels? |
| Brightness variations in color information are in what signal? |
| What is the modulation and multiplexing technique that distribute signals and its sidebands over a very wide bandwidth |
| What is the operating frequency of telephone quality analog voice signals? |
| What scrambling method is used in compact disc digital audio system to ensure that enough transitions between zero’s and one’s can take easily clocking information? |
| What is the achievable data rate of 3G cellular system? |
| What is the maximum number of years of a certificate authority issued by the NTC to the cable TV operator? |
| At what frequency does a magnetron in a microwave oven operate? |
| What order of the NTC which provides implementing guidelines on the grant of mobile phone dealers permit? (MPDP) |
| What NTC memorandum circular provides additional rules and regulations on the purchase, sales, lease/rentals of mobile phones? |
| The electronic technician, as defined by MPSCT, implementation guidelines must be a graduate of an electronic technician course and should have completed formal training in repairing, servicing, and maintenance conducted by mobile phone manufacturer and/or training center that are truly accredited ____ |
| Helical antenna is often used as a typical satellite tracking because of |
| What is the main disadvantage of fiber optic cable made of glass |
| A comb filter is used to ________ |
| In tv, which controls the phase angle of demodulated color video signal |
| In general typical range of frequency that troposcatter wave propagation is found to be effective |
| What modulation is used in Enhance Data rate for GSM Evolution (EDGE) |
| Where should MBSCP or MDPD file their application? |
| If public key is used to encrypt the message, what is required to decipher it? |
| What do you call a card that comes with an 800/888 number that the card owner dials to reach a network that allows him to dial anywhere he likes |
| Registered electronics engineer who is not a member of an accredited professional organization must register within ____ years after the effectivity of RA 9292? |
| What is IMT 2000 maximum data rate for pedestrian mobile users and for slow moving vehicles? |
| What is the basic component of a satellite? |
| Refers to many major wireless manufacturer that have combined to create de facto standards in creating this content |
| What is the frequency of the middle C |
| What is the frequency of 1 octave above middle C |
| Which of the following is not a porous absorber |
| The time that a synthesizer remains at a frequency called |
| To be a member of the board, an applicant should be in active practice of electronics engineering in how many years before promotion? |
Answers:
| 10 |
| Precession |
| Peer to peer, client server |
| A hub or a switch |
| Apogee kick motor |
| 0.01 µV to 0.2µV |
| 0.1µV to 2µV |
| Plumbicon |
| Mechanical filter |
| Frequency hopping |
| 144 kbps |
| 7 years |
| Ringback tone |
| Inexpensive and more flexible |
| Information and Communication Technology |
| 100 mr |
| 40 km |
| Smart card |
| Bit stuffing |
| P.D 1986 |
| Flicker noise |
| 45 MHz |
| Sidetone |
| Dolby AC-3 |
| Duly registered ECE |
| Transmission loss |
| 0.6 to 0.8 |
| Echo suppressors |
| 55 degrees |
| 60 degrees |
| The angle of inclination is too low for these regions |
| 10 Gig per sec |
| PCM (pulse code modulation) |
| Photometry |
| 73 ohms |
| 70% |
| Higher power in the sidebands |
| 5000 Pesos per unit |
| Pseudorandom code |
| Equalizer |
| Local |
| 6879 statute miles per hour |
| Discrete Cosine Transform |
| Capture effect |
| Wide bandwidth availability |
| Class 2 or transportable phone |
| 16 |
| Frenzel reflection |
| Pages |
| GFSK |
| Blocked calls |
| Physical layer |
| Index of refraction |
| MPEG 1 (Motion Pictures Experts Group) |
| Dynamic, ribbon, carbon |
| 13 kbps |
| 200 kHz |
| Friis’ formula |
| Physical layer |
| Y (luminance) |
| Spread spectrum |
| 300 Hz- 3 kHz |
| 8 to 14 modulation |
| More than 2 mbps |
| 15 years |
| 2.45 GHz |
| Office Order 87-08-2004 |
| MC 08-08-2004 |
| TESDA |
| Faraday effect |
| Brittleness |
| To cancel chroma crosstalk |
| Tint |
| 350 MHz to 10 GHz |
| 8PSK |
| NTC regional office |
| Private key |
| Pre-paid phone card |
| 3 |
| 384 kbps |
| Transponder |
| Wireless application protocol |
| 242 Hz |
| 542 Hz |
| Membrane absorber |
| Dwell time |
| 10 years |
Informative and educational stuff always eye catching for the visitors thank you and i am glad to have this blog for my further studies like this simply appreciated man..
ReplyDelete