Question is ⇒ Microprocessors were introduced in the year, Options are ⇒ (A) 1951, (B) 1961, (C) 1971, (D) 1981, (E) , Leave your comments or Download question paper.


Q1.	Microprocessors were introduced in the year
A.	1951 [Wrong Answer]
B.	1961 [Wrong Answer]
C.	1971 [Correct Answer]
D.	1981 [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒

Match the following:

	List I		List II
A.	Multiplexer	1.	Sequential memory
B.	De-multiplexer	2.	Converts decimal number to binary
C.	Shift register	3.	Data selector
D.	Encoder	4.	Routes single input to many outputs

A-3, B-4, C-1, D-2
A-4, B-3, C-1, D-2
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⇒ In Gunn diode electrons are transferred from
Ridge guide is essentially a form of capacitively loaded guide
low to high mobility energy bands
valley to domain formation
domain to valley formation

⇒ Thu advantage of using a dual stop ADC in a digital voltmeter is that
its conversion time is small
its accuracy high
output is in BCD format
it does not require a comparator

⇒ Shaft encoder is used to measure
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linear velocity
linear acceleration

⇒ A short circuited stub is shunt connected to a transmission line as shown in the figure is, if z₀ = 500 ohms, the admittance y seen at the function of the stub and the transmission line
(0.01 - j 0.02) mho
(0.02 - j 0.01) mho
(0.04 - j 0.02) mho
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⇒ In the circuit shown in the given figure the diode states at the extremely large negative values of the input voltage v_i a
D₁ off, D₂ off
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D₁ on, D₁ on, D₂ on

⇒

Assertion (A): Stubs, directional couplers and baluns are very commonly used in communication systems

Reason (R): Characteristic impedance of a line is an important parameter.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ The number of categories in which registers are classified in μP are
2
3
4
5

⇒ For the high-pass circuit to act as a differentiator, the time constant must be
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very small in comparison to the time period of the input signal
very high in comparison to the time period of the input signal (that is low pass circuit)
moderate value

⇒ A series resonant circuit has R = 2 Ω, L = 0.1 H and C =10 μF. At resonance applied voltage = 10 ∠0 V. Voltage across inductance is likely to be
10 ∠0 V
10 ∠45° V
100 ∠90° V
100 ∠-90° V

⇒ Loading of a line means
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increasing distributed inductance of line
decreasing distributed inductance of line
decreasing inductance of line

⇒ In a capacitor filter, the time constant R_LC should be small.
TRUE
FALSE

⇒ In a fully controlled bridge converter feeding a resistive load the waveshapes of output voltage and output current
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⇒ The antenna diameter of a radar system is doubled. The maximum range will
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become four times
be halved
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⇒ In the circuit shown in the figure, the current supplied by the sinusoidal current source
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0.166666666666667
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not determinable from the data given

⇒ Which junction has least junction capacitance?
Alloy
Grown
Diffused
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⇒ Inputs A and B of the given figure are applied to a NAND gate. The output is
from 0 to 6
from 0 to 2
from 0 to 1 and 2 to 3
from 1 to 2 and 3 to 4

⇒ Most of the communication satellites are stationed to the West of their service areas in order to reduce their
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mass of station-keeping fuel

⇒ If a shunt of 200 Ω resistance is used with a galvanometer of 1000 Ω resistance, the multiplying power is
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⇒ A network has two sources of different frequencies. The only method of analysis which can be used to find current and voltages of different branches is the use of
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⇒ The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is
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⇒ Consider the following statements regarding electro-dynamometer type indicating instrum
1 and 2 are corect
3 and 4 are correct
1 and 3 are correct
1, 2, 3, 4 are correct

⇒ Holes and electrons move in opposite directions.
TRUE
FALSE

⇒ Laplace transform of a unit doublet U_-2 (t) is
1/s
s
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1

⇒ RMS value of a square wave is the same as peak value.
TRUE
FALSE

⇒ Resistivity of semiconductors is around 100 Ω-m.
TRUE
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⇒

Assertion (A): In CE connection of n-p-n transistor. V_CE is positive.

Reason (R): In BJT, the base collector junction is reverse biased.

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⇒ When a ferromagnetic substance is magnetised there are small changes in dimensions. This phenomenon is called
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