Communications Engineering Coaching Materials: Section 4 Module 4

This is the Section 4 Module 4 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 4

Few streets	Microcells
Field Coding	Coding for lot of movements
File transfer	Not a responsibility of Data Link Layer
Flying Spot and CCD Telecine	Used in house ‐ transfer something
Frame Coding	Coding for lot of details but less movements
Frame‐based	MPEG 2
Free Space Path Loss	Losses of wave passing through vacuum
Garble	Unintentional or intentional changing the information difficult to understand
Ge PIN Diode	PIN diode is important in detecting light in fiber optic system. It is a PIN diode with notoriously high leakage current.
Geometric Dilution of Precision (GDOP)	Ephemeris and clock recovery ….
Geothermal	Analog transmitter cooling consistent throughout the season
GIF	256 symbols (?)
GMSK	HiperNet (HiperLAN) uses ____ modulation.
Graded index fiber	Optical fiber whose core has a refractive index that decreases gradually with increasing radial distance from the fiber
H.323	Allows telephone communication via internet
Half the original rate	Effect when T1 used ADPCM
Harry Nyquist	Nyquist rate
Heavy metal flouride	It is a fiber optic material that is used in manufacturing low loss and long wavelength.
Hematologic Syndrome	Exposure to 200 to 1000 rad will result in ___
High Insertion Loss	Not a disadvantage of AWG
High Reuse Factor	Better reuse factor
Hot Standby	Has a dedicated back up or spare channel
Hounsfield	Invented the MRI
HSV model	Use with Hue, Saturation, Brightness
Huffman Coding	Data compression scheme that uses fewer bits
Hypercommunicator	Highly engaged communicator
ID ‐ 1	ID specification 85.6 x 53.98 used for credit cards, atm, etc
ID ‐ 3	ID specification 125mm x 85mm used for passports...
ID ‐ 2	105 x 74 mm, used in German ID cards
IEC	"electrotechnology"
IEC (International Electrotechnical Commission)	International organization that sets standards..."electrotechnology"
Infrared Transmitter	transmitter that emits energy in the infrared spectrum
InGaAsP	dopant, achieve wide bandwidth
InGaAsP Diode	PIN diode is important in detecting light in fiber optic system. A PIN diode that is use in 900 nm and when the responsivity requirement is high. Dopant that achieve bandwidth.
Integrity	Original message won't be change
Interleave 2 of 5	Numeric data of bar code
International Gateway Interface	X.75 recommendation of Packet Switched of Data Network (PSDN).
ISO	More powerful than most non‐government organization
It is fast ATM speed	Not true about fast user network interface (FUNI)
It is implemented as 802.11b	Not true about OFDM
John McCarthy	Coined the term Artificial Intelligence in 1956
JPEG	24‐bit
Keystone distortion	Distortion occur in scanning n rectilinear
Leached Image Bundle	Bundle of optical fiber used in flexible endoscopes
Leaky Wave antenna	Wideband microwave antenna that radiates in a narrow beam whose direction varies with voltage, perforated waveguide
Less than 36	OFDM … no. of DFC in one bundle
Less than or equal to 2.405
Log‐in and Log‐out procedures	Most important services offered in Session Layer
Long Duration Symbol	Key property of OFDM that makes attractive to terrestrial broadcasting
Loose Tube Design	Used in outside plants and interbuilding services
Loran C	Low frequency …..
Low Tier System	Have high data rate, low loss but with only small coverage or cell. High quality, low delay voice
Low voltage, high Current DC	In TV, solid state amplifier modules
Mach Zehndeer Interferometer	NdYag, OTDR interferometer
Magnetron	Keyed oscillator most often used a _______ as a power oscillator
Magnetron	Oldest microwave tube
MAXIMUM POWER TAKES PLACE	Match transmission in load
Maxwell	Light propagation follows the ____ equation.
MC 02‐06‐2010	Digital Terrestrial Television (DTT)
MCX	6 MHz with snap‐on connector
Member bodies	Only have voting rights
Message nonrepudiation	Can't deny
Message Trailer	Signals the end of a message
Metadata	Data describing other data
Metal Hallide compounds, Dopant material and Oxygen	Are oxidized to form a white silica powder called soot.

Complete List of Communications Engineering Coaching Materials

Communications Engineering Coaching Materials

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