EST Terms and Definitions Part 4

Questions:



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 Multipoint Distribution System (LMDS)
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

1 comment:

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