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combination is

present
A shift register can be used for
a) Parallel to serial ‏(ط‎ Serial to parallel c) Digital time ५) Allof the
conversion only conversion only delay only above
Another name for twisted ring counter is
a) Decade counter b) Synchronous c) Johnson’s d) Universal shift
counter counter register
VHDL Stands for
a) Verilog b) Vast hierarchical c) VHSIC d) VME bus
hardware description hardware description
description language description language
language language
Transfer function is applicable to
a) Linear time b) Linear time c) Nonlinear d) None of the
variant system invariant system system above

A linear time invariant system initially at rest, when subjected to a unit step input, gives a
response y(t)= te‘ ,t>0O. The transfer function of the system is

a) ‏1(2+ع)/1‎ 0) 1/5(5+ 1) ©) sKs+1)* 0) 1/5(8+1)

For a type 2 system, the steady state error for a unit ramp input is

a) zero b) finite c) infinite d) depends on the
system

How many asymptotes will the root locus of an open loop transfer function with 3 zeroes and 2

poles have?

a) 1 b) 2 c) 3 ५) none of the
above

The maximum possible negative slope and final slope of the bode magnitude plot of a transfer

function with 3 poles and 2 zeroes are respectively (all values in dB/decade)

a) -40, -20 0) -60, -40 ०) -60, -20 १) -40, -40
Consider a feedback system with gain margin of about 30. At what point does Nyquist plot
crosses negative real axis?

a) -3 0) -0.3 c) -30 0) -300

The frequency at which phase of open loop transfer function is 180° is called

a) Corner frequency ‏رط‎ Cutoff frequency ௦) Phasecrossover ம) Resonant
frequency frequency
An ac source of V=50V and f=50 Hz, having an internal impedance of (1+j2) ೧ is connected

across a load. For maximum power transfer, the load impedance should be

a) (1+ j2)Q 0) (1-12) 0 ௦) (2+4) 0 ५) 120

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