gopichand

• Jun 21st, 2013

Hi guys,
here the information about 1 start and 1stop bit is given to confuse the candidate ,
in synchronous transmission there is no need of start and stop bits so 2400/(7+1) is the ans..........

samatha

• Jun 15th, 2013

Start an d stop bits are not needed so it is 2400/8=300

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What are edge triggered flip flop and level triggered flip flop? How do they differ from one another?

Brijesh Ranga

• Aug 2nd, 2013

Level trigger ff work only the level of the signal either high(1) or low(0) but edge trigger work on the either rising edge or talling edge

krishna

• Apr 17th, 2013

Apart from the answers above, it is important to note that edge triggered flip flops have advantage over level triggered flip flops.?

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How to format a memory card by using memory card

ROBIN DAS

• Nov 1st, 2013

Connect your mobile to computer through data cable or through card reader. Right click on memory card click on format.

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How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor ?

Sanjeev

• Jun 19th, 2014

The power factor correction device is known as power factor improver and the work is to reduce the extra reactive power usage by the load. When we purchase the power from the electricity companies th...

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KRISHNAKANT

• Jul 31st, 2014

MP do not have any inbuilt memory storage but MC contains inbuilt memory storage.

MP cant perform boolean expressions but a MC performs

Suriya Nataraj

• Jul 6th, 2014

A microprocessor has its interfacing components off the chip.
A micro controller is a microprocessor that is connected to its interfacing components on a single chip..This facility saves a lot of time..

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Why we are using the bridge rectifier in most of the circuits instead of full wave rectifier eventhough the output of both are same?

HARENDRA K PUSHPAT

• Aug 4th, 2014

Because PIV rating of center tapped rectifier in twice then the bridge type of rectifier.

cubangeekboy

 Profile Answers by cubangeekboy Questions by cubangeekboy

• Nov 21st, 2008

Bridge rectifiers use transformer that do not employ a center tap, thereby permitting the use of smaller transformers. this saves space, cost and is more effecient.

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What is the difference between Power Amplifier and Voltage Amplifier?

Nishant

• Sep 2nd, 2014

Voltage amplifiers have a high voltage gain, while power amplifiers have a high power gain. In most voltage amplifiers, current gain is very low, while power amplifiers have a significant cur...

ana_m

 Profile Answers by ana_m Questions by ana_m

• Jan 24th, 2009

Power amplifiers basically amplify both current and voltage (p=v*i).Voltage amplifiers only amplify the voltage.

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neha pal

• Sep 5th, 2014

Scr stands for silicon controlled rectifier.bcz it is a three terminal four layer device and use for power amplification purpose.

updesh upadhyay

• May 16th, 2013

A silicon-controlled rectifier (or semiconductor-controlled rectifier) is a four-layer solid state current controlling device. The name "silicon controlled rectifier" or SCR is General Electrics trade name for a type of thyristor.

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supersindhu

 Profile Answers by supersindhu Questions by supersindhu

• Sep 12th, 2014

Antenna is a passive element because it cannot generate energy of its own

Neha Pal

• Sep 5th, 2014

Antenna is called passive device bcz active device isn the device which do not require any external power bcz it has a power like stabilizer which is active device, bt in case of antenna this is use bcz of receiving signal from other then broadcast the system

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Why we need biasing for Transister, FET and MOSFET.?What is the importance of the biasing in transister circuits.

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Editorial / Best Answer

microelectronics  

 Profile Answers by microelectronics Questions by microelectronics

• Member Since Oct-2009 | Dec 25th, 2009

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Biasing of transistor circuits is done for making it work in the desired region of operation.?

supersindhu

 Profile Answers by supersindhu Questions by supersindhu

• Sep 12th, 2014

Biasing is required to make transistor in active mode

Sagar21p

 Profile Answers by Sagar21p Questions by Sagar21p

• Oct 7th, 2010

Biasing means operationg the transistors in a particular region it could be either active(linear),cuttoff(off swith),saturation(nonlinear)For BJT*active region it acts as an amplifier EB jn is FB and ...

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Why vestisial side band is used in TV Signal Transmission?

supersindhu

 Profile Answers by supersindhu Questions by supersindhu

• Sep 12th, 2014

To reduce bandwidth vestigial side band is used

kumar praveen bodu

 Profile Answers by kumar praveen bodu Questions by kumar praveen bodu

• Mar 23rd, 2010

Television broadcasting requires both amplitude as well as frequency modulation AM for picture and FM for sound, so we require larger bandwidth to broadcast in order to say 5MHZ for each individu...

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Umer Farooq

• Sep 16th, 2014

PLC is programmable logical controller which individually perform while DCS consists of number of PLC's, so the control is distributed to these PLC's

muhammed hashif

• Oct 2nd, 2011

plc stands for programmable logic controller.dcs stands for distributed control system.functions of plc and dcs are same.both are using for as a instrumentation controller.but dcs are very advanced,it...

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What type of Television Communication is used in India?a) NTSCb) PALc) SECAMd) NSTC

mohd sameer

• Oct 3rd, 2014

Pal (phase alternation line)

saba iqbal

• Sep 13th, 2014

PAL System

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Eng.Daudi

• Dec 27th, 2014

16 mosfets

rucha thakur

• Dec 18th, 2014

One

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Thermistors Resistancea) increases as heat increasesb) decrease as heat increases C) remains constantd) It is nowhere related to heat.

devworx

• Jan 18th, 2015

Can be Ntc ( N - negative) as R
and Ptc (P - positive) as R

kesavamoorthy

 Profile Answers by kesavamoorthy Questions by kesavamoorthy

• Apr 6th, 2011

To easy to remember when you keep this formula in your mind.where,ΔR = change in resistanceΔT = change in temperaturek = first-order temperature coefficient of resistanceThermistor is clas...

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garrettpatton

 Profile Answers by garrettpatton Questions by garrettpatton

• Feb 20th, 2015

This is very nice and really appreciating.
you can also visit site for more information.

rajesh

• Sep 18th, 2014

To remove the unwanted signals

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What is the difference between LED's and PN junction diode?Why cut in voltage is high for LED's?

Kishan Vaghani

• Feb 20th, 2015

In LED all energy converted into a light when in PN junction all energy converted into a heat

jhabua

 Profile Answers by jhabua Questions by jhabua

• Jun 27th, 2011

LEDs are made of direct band gap elements whereas as general PN junctions are made of indirect band gap elements.In LEDs while a carrier is making transition from conduction to valence band the releas...

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What is meant by grid computing?

Kapil Rana

• Mar 11th, 2015

Grid computing is the collection of computer resources from multiple locations to reach a common goal. The grid can be thought of as a distributed system with non-interactive workloads that involve a ...

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What is difference between a multiplexer and encoder? also What is the between demultiplexer and decoder?

manoj

• Apr 2nd, 2015

Multiplexer is converted many signal to one signal by multipexing and encoder is encrypt single for sequrity.

demux and decoder is same work but opposite

hagos haftu

• Jan 14th, 2015

Yes it is very useful but as comment the description of the combination circuits should be supported by their practical circuits ,,,,the rest it is good

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