ISRO 2023 Quiz 27 Revision

A major advantage of active filters is that they can be realized without using:-

A discrete-time system with input and output is described by following difference equation

The frequency Response of the system is

An antenna consist of 4 identical Hertzian dipoles located along z-axis uniformly with λ/8 space apart.

The group pattern function is_________?

Binary data is transmitted over an RF band pass channel with a usable BW of 10MHz at a rate of 4.8 Mbps using ASK Signaling method. The carrier amplitude at the receiver antenna is 1mV and the two sided PSD of AWGN is 10^-15 W/Hz. Find the error probability of a coherent receiver.

What is the purpose of antivirus software?