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