Communications Engineering Coaching Materials: Section 4 Module 5

This is the Section 4 Module 5 of the compiled Communications Coaching Materials taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies (EST), Communications Books, Journals and other Communications References. This particular Coaching Notes in Communications Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.

Communications Engineering Coaching: Section 4 Module 5

Mobile Switching Center	Base station to telephone Central Office
Modal noise	Interference due to different modes
MOSFET transistor	High reliability for power amplification in TV
Move the feed	To eliminate the feed horn
MPEG 1	What video standard deals with low data rate video such as are often found in CD‐ROMs, and on the internet?
MPEG 2	Broadcaster's Choice
MPEG 4	The current digital video specification that used video compression
MPEG 4 and MPEG 7	Object‐based
Nanofiber	Silica Waveguides where the diameter is smaller than the transmitted light.
Narrow viewing angle	Disadvantage of using LED
Near field communication	Short range communication for devices within 10cm to 4in
Network Layer	Routing selectivity
Not Fast ATM	FUNI
Not standardized by 802.11b	OFDM
Number Record Printer	May "number" 'to sa tanong
Numerical Aperture Mismatch	Contributes most in loss
OFDM	Used in wireless USB
Offset the horn to the center of the	Eliminate the feedhorn shadow
Open Shortest Path First (OSPF) Protocol	A routing protocol for Internet Protocol (IP) networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS).
Optical Soliton	a pulse that travels without distortion due to dispersion
Optimal viewing distance	Optimal viewing ratio, preferred viewing distance
Orange	Multimode fiber optic cover jacket
OFDM	A wideband modulation technique used in multiple orthogonal carriers each modulated by pulse and amplitude.
Output Back‐off (OBO)	Derated from normal analog …
Output Back‐off (OBO)	Most important parameter(?) in digital TV transmitter
OUTSIDE EXTENSION	Telephone system outside the building
Outside Extension	Separated from main station
Overwritten every 30 minutes	In avionics, "black box" is used in navigation for recording purposes. Black box is ____.
Parallelor Flash A/D conversion	A/D conversion use in high‐speed application such as video signal processing, medical imaging and radar detection system.
Phase Correction	Correct the phase
Phonocardiograph	A graph showing the sounds of the heart
Physical Layer	Transmission of bits
Polar‐Coordinate Navigation System	Indicates bearing and distance
Port Operation System	Maritime mobile communication system in or near a port
Port Operations System
P‐picture or Predictive picture	Motion … and prediction
Production Telecine	Used in production of TV program and commercial
Provides no security since the signal can be easily intercepted	Which is not true about wireless fiber?
Proximity Cards	Generic name for contactless integrated circuit device used as payments
Proximity Cards	used for security access and payment systems
QAM	Amplitude and phase modulation
Quality	The UTP cable can be determine by cable _______
Radar shadow	Areas covered from radar coverage example hills..
Radiates equally	Why circle?
Radio direction finder indication (RDFI)	Shore effect causes an error in ____.
Reflective Star Coupler	It is the enlarge section of fiber with numerous… on the other end mirrored surface and reflective mechanism on the other end.
Registered Jack	RJ means
Relay Mechanism	Difference between Iridium and Globalstar
REVERSE LINK	Mobile to base station
RG 58/U	Cable wire with highest attenuation at 400 MHz
RG 58/U	Highest attenuation at 400 MHz
Ribbon Cable Design	Also called Loose tube
Ribbon Cable Design	Poorest water blocking capabilities
Ribbon Design	Laid in ribbon of group of 12, 12 meters high
RJ 45	Most commonly used UTP cable
Roentgen	Measure of amount of x ‐ ray radiation to create 2.09x10^8 ion pairs at STP
Septate Waveguide	One or more septa
Signal Quality Detector	Pin 21 of RS232

Complete List of Communications Engineering Coaching Materials

Communications Engineering Coaching Materials

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