Electronics and Communication Engineering - Exam Questions Papers

For a second order instrument, the optimum range of ξ (damping ratio), which gives good frequency response over a wide range of frequencies is

If the connection of two-port is such that the transmission matrix of the overall network is the product of the transmission matrices of the individual networks, what type of connection is it?

A 3 x 8 decoder with two enable inputs is to be used to address 8 blocks of memory. What will be the size of each memory block when addressed from a sixteen bit bus with two MSBs used to enable the decoder?

What is the purpose of a start in RS232 serial communication protocol?

Time delay produced by an instruction code given below using 2 MHz clock is:
MVI A, FFH
LOOP: DCR A
JNZ Loop