IN AN OSCILLOSCOPE TWO COUPLING IS THERE, THAT IS AC & DC COUPLING, WHERE DO WE USE THESE COUPLINGS ?
2 6664How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)
1 5272What is D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? Explain an ideal voltage source? Explain zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?
3 10432I have attended Scientist Entry Test on 7th Sep. Hereby I am submitting paper for Electronics and Communication branch…….. Hope it helps future aspirants……..
2229Post New DRDO Interview Questions
As a company needs to monitor a read and write iops for the aws mysql rds instances and then send real-time alerts to the operations of team. Which aws services to can accomplish this?
Is it possible to make common ducting for Induced draft boiler with Forced Draft Boiler? Induced Draft Boiler is having Agrowaste type and Forced Draft Boiler is of Oil Firing type.
What is unix kernel explain it?
What are the securities threats should we be aware of in angular 2 applications?
Can a printer print to the edge?
Can you just tell the table properties that you can remember?
Describe the steps to insert data into a singly linked list.
What is a service in angular?
Is hashset serializable c#?
Describe secure socket layer (ssl)?
Why Unload event of MasterPage Calls first in ASP.net ?
Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803
How can I make a powerful presentation?
What is the difference between alert and prompt?
write a program that will sort the given five numbers in ascending order using (bubble sort)(selection sort)