Q. The impulse response of a system h(n) = a^n u(n). What is the condition for the system to be BIBO stable?

a. a is real and positive
b. a is real and negative
c. | a | > 1
d. | a | < I

How many kgs of Basmati rice costing Rs.42/kg should a shopkeeper mix with 25 kgs of ordinary rice costing Rs.24 per kg so that he makes a profit of 25% on selling the mixture at Rs.40/kg

Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two year is Rs. 405. What was the rate of interest?
1) 14%
2) 16%
3) 12.5%
4) 15%
5) 15.5%

A contractor decided to complete the work in 40 days and employed 60 men at the beginning and 40 men additionally after 10 days and got the work completed as per schedule. If he had not employed the a

To complete a task two men work on first day and three men work on second day and so on ,till it gets completed.If the same work can be completed by 9 mens for 15 days,in how many days will the work

Hello,

I am a Electronics & Communication Engineering student of 2019 batch and I attended the Cognizant recruitment drive (Off-campus) interview round on 15th June 2019. From our year there had been Read More..

As you all know, Infosys written test is the toughest of all MNC's. So, i started preparing for it about 8 days prior. Luckily i got cleared the written test(this is Off campus). They called me f Read More..

This company has a two round
1.Group Discussion
this one seems like a fish market and the person that sits has no interest in what you speak you just have to make yourself audible and make everyone Read More..

Hi All,
It's over one year when I joined TCS.
So, I will tell you some key points that you take care for any interview(specially for freshers.) because I have known from inside that how the TR/MR/HR i Read More..