ISRO Interview Questions-1

How to prepare: In interview they generally ask about your favorite subject. So think twice before replying them. They are going to ask questions from your favorite subject. If you are not able to answer even very simple questions from your favorite subject it may create a bad impression. So before going to interview think yourself which subject you personally like the most or about which topic you have more knowledge. 

Following questions are very very important for ISRO Interview. So prepare yourself accordingly.

Q) What is race around condition ? Why it occurs ? How it can be avoided ?

Q) What is Nyquist sampling theorem ? If it will not be satisfied for a communication system what will happen ?

Q) What is fan-out ? What is the mathematical formula to calculate fan-out ?

Q) Describe the process of amplitude modulation ? What is modulation depth ?
Q) What is tri-state logic inverter ? Explain with the help of truth table ?
Q) Draw the equivalent circuit of a microwave transmission line. What do you mean by characteristic impedance and what is its value for a loss less transmission line ?
Q) What do you mean by the terms LEO, GEO and MEO with respect to satellite communication ?
Q) What is Fourier transform ? Why and when it is needed ?
Q) What are the different types of techniques available for error detection and correction in digital communication ?
Q) How can you implement a full subtractor with the help of half subtractors ?