Description : Congestion in a network or internetwork occurs because routers and switches have _______
Last Answer : queues
Description : A special service circuit connecting two private branch exchanges (PBX). A. Phantom line B. Private line C. Tie trunk D. Tandem trunk
Last Answer : C. Tie trunk
Last Answer : In medium-scale integration (MSI), a chip contains Less than 100 gates.
Description : It is proposed network designed by major telephone companies in conjunction with the ITU-T with the intent of providing worldwide telecommunications support for voice, data, video and facsimile information within the same networ
Last Answer : ISDN
Description : Ethernet is baseband transmission system designed by _____
Last Answer : Robert Metcalfe and David Boggs
Description : Type of PCM which is designed to take advantage of the sample-to-sample redundancies in the typical speech waveform
Last Answer : Differential PCM
Description : _______ is the cell relay protocol designed by the corresponding Forum and adopted by the ITU-T.
Last Answer : ATM
Description : ____ is a virtual-circuit wide-area network that was designed in response to demands for a new type of WAN in the late 1980s and early 1990s.
Last Answer : . Frame Relay
Description : A virtual circuit which is logically equivalent to a two-point dedicated private-line circuit except slower
Last Answer : Permanent Virtual Circuit
Description : It is the ratio of the largest possible magnitude to the smallest possible magnitude that can be decoded by the digital-to-analog converter in the receiver.
Last Answer : Dynamic range
Description : n digital modulation, it is similar to standard amplitude modulation except there is only two amplitudes possible.
Last Answer : amplitude shift keying
Description : What distinguishes digital radio systems from conventional analog communications system?
Last Answer : the nature of the modulating signal
Description : It is a system where the digital signals are placed directly on the coaxial cable.
Last Answer : Baseband
Description : Used for transmission of PCM encoded time – division multiplexed digital signal.
Last Answer : T carriers
Description : ______ is used by public and private enterprises to publish and share financial information with each other and industry analysis across all computer platforms and the Internet. a) Extensible ... Language c) Enterprise Application Integration d) Sales Force Automation Software e) None of these
Last Answer : b) Extensible Business Reporting Language
Description : The effect of a large magnitude of the numerical aperture.
Last Answer : The amount of external light the fiber will accept is greater
Description : How many handsets can I add to this cordless phone system?
Last Answer : You can add up to 5 handsets to this Verizon cordless phone system.
Description : Which of the following is related to fifth generation computers? A) Knowledge information processing system B) Very large scale integration (VLSI) C) Both of above D) Only b
Last Answer : Answer : A
Description : Fifth generation computer is also known as A) Knowledge information processing system B) Very large scale integration C) Both of above D) None of above
Description : Fifth generation computer is also known as A) Knowledge information processing system B) Very large scale integration (VLSI) C) Both of above D) None of above
Description : ULSI stands for______ (A) Ultra Large Scale Integration (B) Ultimate Large Scale Integration (C) Upper Large Scale Integration (D) Ultra Large Script Integration
Last Answer : (A) Ultra Large Scale Integration
Description : Fifth generation computer is also known as a. Knowledge information processing system b. Very large scale integration (VLSI) c. Both of above d. None of above
Last Answer : Knowledge information processing system
Last Answer : a. Knowledge information processing system
Description : Large scale integration chips have between (A) Less than 10 components. (B) 10 and 100 components. (C) 100 and 1000 components. (D) More than 1000 components.
Last Answer : (C) 100 and 1000 components.
Description : Fifth generation computers do not have : (1) Speech recognition (2) Artificial intelligence (3) Very large scale integration (4) Vacuum tubes
Last Answer : Vacuum tubes
Description : Which among the following is not opened for private sector participation A. Power sector B. Telecommunication sector C. Education sector D. Railways
Last Answer : D. Railways
Description : Post offices which function from a specially designed van moving to different fixed point is a) Mobile post office b) Van post office c) Mobile branch post office d) Det post office
Last Answer : a) Mobile post office
Description : In the lighting distribution circuit shown in the illustration, if all switches are closed and fuse 'F2' were to open, all lights on branches ____________. EL-0013 A. '1', '2', and '3' would go out B. '1' ... and '3' would burn dimly D. '1' and '3' would go out, while branch '2' would remain lit
Last Answer : Answer: D
Description : Are voice command/wifi type switches and controls designed for singles?
Last Answer : I agree that robot vacuums sometimes turn on for no good reason, but Alexa has a whisper mode that works really well.
Description : What is a device that provides a method of sampling energy from within a waveguide for measurement or use in another circuit?
Last Answer : Directional Coupler
Description : They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser).
Last Answer : Charles Townes and Arthur Schawlow
Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___
Last Answer : is horizontal
Description : It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power
Last Answer : directive gain
Description : The property of interchangeability for the transmitting and receiving operations is known as ____
Last Answer : reciprocity
Description : The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space
Last Answer : radiation field
Description : It is the ratio of the radiated to the reflected energy:
Last Answer : Radiation efficiency
Description : It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates
Last Answer : . Radiation resistance
Description : Plots of field strength or power density with respect to the value at a reference point.
Last Answer : relative radiation pattern
Description : The radiation pattern plotted in terms of electric field strength or power density
Last Answer : absolute radiation pattern
Description : The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____
Last Answer : line of shoot
Description : A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated
Last Answer : waveguide
Description : If energy is applied at the geometrical center of antenna, the antenna is said to be ___
Last Answer : center-fed
Description : The radiation pattern of collinear and a broadside antenna is __
Last Answer : bidirectional
Description : Hertz antenna are predominantly used with frequencies above
Last Answer : 2MHz
Description : The point on the antenna where the transmission line is connected is called _____
Last Answer : feedpoint
Description : The discone antenna is
Last Answer : useful as a UHF receiving antenna
Description : It is the same with directive gain except that the total power fed to the antenna is used and the antenna efficiency is taken into account.
Last Answer : power gain
Description : ____ is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from the upper layer.
Last Answer : UDP
Description : ______ are special-interest groups that quickly test, evaluate, and standardize new technologies
Last Answer : Forums
Description : _______ refers to the structure or format of the data, meaning the order in which they are presented.
Last Answer : Semantics