chakr

 Profile Answers by chakr Questions by chakr

• Nov 7th, 2009

1 and 4 are true

mahesh_venkat36

 Profile Answers by mahesh_venkat36 Questions by mahesh_venkat36

• Oct 12th, 2009

1,3,4 are correct options Because BCD is 8-4-2-1 weighted code, whose complement cannot be found easily, given number requires 4 bytes as it is 8 digit number (4 bits for number), it is easily converted to binary.

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manasa

• Jun 1st, 2012

2m+2n

Raju Shrestha

• Feb 22nd, 2012

4. 2m+2n

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anuj_1497

• Mar 4th, 2007

No,there is not any negative frequency.It is only the counterpart of positive frequency to make the function real and also to make the calculations easy.

sreenivasulu

• Feb 25th, 2007

There is no -ve frequency. in order to represent any wave forms by exponenial functions. so in order to represent in exponential we are using +ve and-ve frequencies but there is no -ve frequency. its our assumption

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thunderstrike

 Profile Answers by thunderstrike Questions by thunderstrike

• Nov 28th, 2010

Latches do not have a clock whereas flip flop has a clock.

ajeebj

 Profile Answers by ajeebj Questions by ajeebj

• May 22nd, 2008

Latches are level sensitive devices where as Flipflops are edge sensitive device

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Can a gas be used for conducting current?

sandeep yandamuri

• Jun 7th, 2012

Yes yes search "ATOMTRONICS" topic u can get total info how gases acts as a conductors and super conductors

vishnupriya

• Jun 7th, 2012

Yes, gases can be used provided they are in controlled condition

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What frequency bands are used in Satellite Communication?

Ankit Kant

• May 14th, 2015

Microwave bands are used in satellite communication. In gigahertz, their ranges are:
L : 1-2
S : 2-4
C: 4-8
X: 8-12
Ku: 12-18
K: 18-26.5
Ka : 26.5-40
Q : 33-50
Onwards, we have U, V, W, F, D bands.

gani

• May 1st, 2015

L,c,s,x,ku,k,ka,v,w

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What is the equivalent of negative logic AND gate?

kumar praveen bodu

 Profile Answers by kumar praveen bodu Questions by kumar praveen bodu

• Mar 23rd, 2010

Bubbled NOR gate is the negative logic for AND gate.

avalkaraditi

 Profile Answers by avalkaraditi Questions by avalkaraditi

• Jul 24th, 2009

NAND gate

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Which oscillator is best for general purpose?

RZara

 Profile Answers by RZara Questions by RZara

• Nov 24th, 2009

Crystal Oscillator is the best bet. It provides constant output frequencies and is not affected by aging and is very stable.

vrams

 Profile Answers by vrams Questions by vrams

• Jul 31st, 2009

Oscillators generate a frequency it should be noted that it does not create energy, but nearly acts as an energy converter.

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How to Convert Binary to Excess 3 Code and vice versa?

Ramkrishna

• Apr 16th, 2015

Simply add 011 in each binary number...

Deepanwita Saha

• Feb 4th, 2015

Why binary code converted to the excess three code?
?Binary to excess three code conversion short theory.

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Why BJT is called current control device?

nikram.aptil76

 Profile Answers by nikram.aptil76 Questions by nikram.aptil76

• Oct 23rd, 2010

As the output of the BJT is controlled by the base current of the transister

engr.hayee

 Profile Answers by engr.hayee Questions by engr.hayee

• Sep 1st, 2010

Because the small current (Base current) is controlling large current (collector current).

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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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himanshi

• Feb 12th, 2013

Two ground terminals are provided to make the pin structure symmetrical o/w it requires only 39 pins.

hari krishna

• Jan 23rd, 2013

One is for the VCC & another one is clock issues

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Sharief Momin

• Jun 7th, 2017

Both are related to Tools. But Emulators are hardware tools which are copy of actual hardware. some emulators are on chip which will come along with hardware (Micro controller). Simulators are softwar...

TAMILMARAN C

• Apr 3rd, 2017

Simulator - It could simulate all the functional for the desire system

Emulator - It could replicate the entire system, Although we could use as another as similar system preferable.

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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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Why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

SUJITH

• Jul 15th, 2015

A high Input at inverting terminal with respect to other give a inverted output where as a high input at non-inverting terminal gives the same as output

krishnakant

• Jul 31st, 2014

The differential amplifier can perform all the arithmetic operations such as addition subtraction even integration so need operational amplifier but basically it is a directly coupled high gain amplif...

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

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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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Give examples of circuit protecting device apart from fuse, circuit beaker, relays, lighting arrestor, switch gears.

Justin

• May 5th, 2013

A zener diode, for smaller amounts of voltage regulation.

gorakh anna pandhre

• Apr 18th, 2013

Opoto-isolaters

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meemi

• Jul 24th, 2019

B is register.so adressing mode for PUSH B is Register adressing mode

RAMPRIT KUMAR

• Jan 31st, 2018

Direct addressing mode

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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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