1)
Meaning of decoding is ---------- De multiplexing
2)
Flip flop cannot be called as ----------combinational circuit
3)
In which of the code only one bit changes at each time -----------
Gray code
4)
(0.3125)10 when converted to base 8 gives --------------- (0.24)8
5)
Modulo-2 addition is represented by ---------------------- F=X XOR Y
6)
Intel 8085 microprocessor has two registers known as primary data
pointers. These are -----Register H & L
7)
A boolean variable or its complement is known as ----------Literal
8)
Gauss law relates the electric field intensity E with volume charge
density p at a point as-------------- V.E =p/Eo
9)
Which of the following method of biasing provides the best operating
point stability ------------ Two battery bias
10)
In a JFET, at pinch-off voltage applied on the gate
-----------------The drain current is almost at saturation value1)
Meaning of decoding is ---------- De multiplexing
2)
Flip flop cannot be called as ----------combinational circuit
3)
In which of the code only one bit changes at each time -----------
Gray code
4)
(0.3125)10 when converted to base 8 gives ---------------
(0.24)8
5)
Modulo-2 addition is represented by ---------------------- F=X XOR Y
6)
Intel 8085 microprocessor has two registers known as primary data
pointers. These are -----Register H & L
7)
A boolean variable or its complement is known as ----------Literal
8)
Gauss law relates the electric field intensity E with volume charge
density p at a point as-------------- V.E =p/Eo
11)
Transistor is a --------Current controlled current device
12)
An oscillator of the LC type that has a split capacitor in the
circuit is -----------Colpitts oscillator
13)the
slew rate of an operational amplifier indicates ----------------How
fast its output voltage can change when a step input signal is given
14)active
loaded MOS deferential circuit has a ---------------High deferential
gain
15)The
maximum binary number counted by a ripple counter that uses four
FlipFlops is --------(1111)2
16)
The electric field strength at any point equals --------------
Negative of the potential gradient at that point
17)
The Laplace transform of a unit ramp function starting at t-a, is
---------------e^-as/s^2
18)
In an RC coupled CE amplifier, typical value of coupling capacitor is
-----------10uF
19)
The device which behaves like a SCR is ----------------- Triac
20)Strapping
is used in a magnetorn to ---------------prevent mode jumping
21)HDLC
is a term for ----------------Data Communication protocol
22)
Which family of the following IC's has the highest speed??--------ECL
23)Which
of the following microwave tubes can be considered as broadband
devices??-------------Travelling Wave Tube(TWT)
24)
Baud is-----------Reciprocal of shortest signal element in a
character
25)
Energy stord in a capacitor is a function of voltage is given
by--------------cv^2/ 2
26)The
matrix A=[] is ---------------------Singular
27)
The differential equation dy/dx=y^2 is ------------------Non-linear
28)
If A and b are mutually exclusive events then P(A u B)=
-------------- P(A)+P(B)-P(AUB)
29)
If r is the correlation coefficient, then which of the following is
correct ?---------------- -1<= r <=1
30)
The gray code equivalent of Binary 1100 --------------------1010
31)The
following sequence of instruction are executed by 8085
microprocessor------------------SP=27FF, HL=1003
32)
For the system described by the state equation
-----------------------------0, -1, -2
33)The
minimized form of logical expression --------------------
A
BAR . B BAR + B . C BAR + A BAR. B
34)A
class A transformer coupled transistor power amplifiers is required
to deliver a power output 10 watts -------------------------- 20 W
35)
A second order system has a transfer function given by
---------------------------Pi sec
36)
The decimal equivalent of hex number 1A53 --------------- 6739
37)
The simplification of the boolean expression ABC + ABC BAR
-------------------1
38)
If the input to T-flip flop is 100 Hz signal
------------------------------12.5 Hz
39)For
the circuit shown in Fig 1 the input -----------------------------2R1
40)
The laplace transform of -------------------------1/(s+2)
41)In
integrated circuits , npn construction is preferred to
pnp--------------------- To reduce diffusion constant, n-type
collector is preferred
42)L[sint/t]=
------------------------cot inverse s
43)
The eigen values of a matrix ------------- -2.3.6
44)
The unit tangent vector to the curve ---------------------- Answer is
not available
45)For
a poisson variata -------------------- Answer is either 2 or 1
46)To
limit the rate of rise ------------ Inductor is inserted in anode
circuit
47)
The important application of schmitt ------------To convert slowly
varying input voltage to abrupt voltage change
48)
the 3 dB band width means -------------------- The open loop voltage
gain reduced to 0.707
49)
The noise figure of a receiver --------------------- excess noise
generated
50)
The frequency deviation in FM system is proportional
--------------Modulating signal amplitude
51)
The velocity of electromagnetic wave ------------------ Less than the
velocity in free space
52)
The smith chart generally covers a ----------------------- Half
wavelength
53)
In which of the counter the clock input ----------------------
synchronous counter
54)
An OPAMP integrator will be -------------------- Capacitor feedback
55)
The term free running is usually associated with ----------- Astable
multi vibrator
56)
The feedback network of a phase shift oscillator is usually
consit------------------- RC circiut
57)
The bilinear transformation is ------------------------ s=
2(1-Z^-1)/T(1+Z-^1)
58)
The number of complex multiplication ----------------- N/2 log2 N
59)The
Boolean expression a +bc is equal to--------------- (a+ b) (a+c)
60)
How many bits are needed to address----------------16
61)
ASCII is an input------------ Its is an 8 bits
62)
A digital circuit designed to ------------------------- Single
purpose processor
63)
A half wave folded ---------------- 288 ohm
64)
If several stations in a network want
--------------------------------- Multiplexing
65)Modulation
index of the frequency modulation -------------------- Frequency and
amplitute of carrier signal
66)
The linear convolution of the sequences
--------------[2,-1,-2,2,-2,-2,2]
67)
If x(n+qN) =x(n) ---------------------------------- N
68)
when analog signal of banwidth 20 Khz-------------------- 80 kilo
symbol/sec
69)
For a communication system, using coherent BPSK
-------------------Answer not available
70)The
efficiency n of AM with 50 -------------------- 11.1%
71)
The DFT of the sequence -------------------- [6,0. 2, 0]
72)
The Nyquist rate for the analog signal x(t) = 3 cos 100
---------------------- 400
73)
For a logical expression is ----------------0
74)
Nyquist sampling interval for the signal sinc(100pi t) -----------
answer not available
75)
Given W^16 = W^x slove for x --------------------- 16
All answers given are almost correct
