difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)

2265

Define the limitations in the operation conditions of a p-n junction.

1308

What is am.

1015

Define what is the main factor for controlling the thermal generation and recombination?

1253

Explain how many states does signal has?

1019

Explain why regeneration is not possible in semiconductor

943

write down a program to that reads the data from port 02H, count the number of 1's in the data and display the count on port 03H in 8085 microprocessor

1759

i want to became CCNA,MCSE(server) engineer in our anna university

1748

What is the use of Testing framework in Automated testing..what are different kinds of Testing frameworks available in Automated testing..

1964

Why fet is known as voltage control device?

1071

What are the applications of flip-flops?

973

send me few previous years section engineer question papers?..

2004

how a choke of tubelight can be used to increse reciving power of antina?

1930

In which bands do the movement of electrons and holes take place?

1228

can any one tell difference between 802D and 810D???

3327