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IES EC Exam Pattern, IES EC Questions with Answers Page 4

(#M40019781) IES EC QUESTION Computer(2008 paper-2 obj) Keep an EYE

Q. If 8085 adds 87 H 79 H, then

Option
a) both CARRY and ZERO flags will be set to 0
b) CARRY flag will set to 0, Zero flag to 1
c) CARRY flag will be set to 1, ZERO flag to 0
d) Both CARRY and ZERO flags will be set to 1

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019780) IES EC QUESTION Analog(2008 paper-2 obj) Keep an EYE

Q. A feedback amplifier has an open loop gain of -100. If 4% of the output is fed back in a degenerative loop, what is the closed loop gain of the amplifier?

Option
a) 33.3
b) 25
c) 20
d) 25

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019779) IES EC QUESTION Communication Sys(2008 paper-2 obj) Keep an EYE

Q. Multiplexing is possible if signals are sampled. Two signals have bandwidths A = 0 to 4 kHz and B = 0 to 8 kHz respectively. The sampling frequency chosen is 12 kHz. Which one of the following is correct? This choice of the sampling frequency a. is correct since A and B have an integral relationship of 2 b. will not lead to aliasing c. does not obey sampling theorem d. can never lead to multiplexing.

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019778) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. A magnetic drum of 8 inch diameter has 100 tracks and storage density of 200 bits/inch. What is its storage capacity?

Option
a) 8402 bits
b) 202400 bits
c) 502400 bits
d) 1004800 bits

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019777) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. The parallel computers are divided into which of the following architectural configuration?
1. Array processors
2. Data processors
3. Multi processor systems
4. Pipeline computers
Select the correct answer using the code given below:

Option
a) 1, 2 and 3 only
b) 2, 3 and 4 only
c) 1, 3 and 4 only
d) 1, 2 and 4 only

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019776) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. Match List I with List II and select the correct. Answer using the code given below the lists:

List-I
(Pascal Operator)
A. : =
B. < >
C. =

List-II
(C Operator)
1. ! =
2. = =
3. =
Code:
A B C
a. 1 2 3
b. 3 1 2
c. 2 1 3
d. 2 3 1

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019775) IES EC QUESTION Network T (2008 paper-1 obj) Keep an EYE

Match List I and List II and select the correct answer using the code given below the lists:
List-I
(Theorem/Law)
A. Norton's theorem
B. Superposition theorem
C. Thevenin's theorem
D. Kirchhoff's current law
List II
(Property)
1. Effect of independent sources in a linear circuit are additive
2. Law of non-accumulation of change holds good at nodes
3. Current source with shunt resistor
4. Voltage source with series resistor
Code:
A B C D
a. 2 4 1 3
b. 3 1 4 2
c. 2 1 4 3
d. 3 4 1 2

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019774) IES EC QUESTION Measurement(2008 paper-1 obj) Keep an EYE

Q. A 0-250V voltmeter has a guaranteed accuracy of 1% full scale reading (deflection. The voltage measured by this instrument is 100V. The limiting error is given be

Option
a) 1.25%
b) 255
c) 0.25%
d) 2.5%

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(#M40019773) IES EC QUESTION EDC(2008 paper-1 obj) Keep an EYE

Q. In n-channel enhancement MOSFET, at a fixed drain voltage

Option
a) the drain current is maximum at zero gate voltage and it decreases with applied negative gate voltage
b) the drain current has a finite value at zero gate voltage and it increases or decreases with the applied voltage of proper polarity
c) the drain current is zero at zero gate voltage and it increases with the positive applied gate voltage
d) the drain current is zero for negative bias voltage to gate and it increases as negativegate bias is decreased in magnitude

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019772) IES EC QUESTION EDC(2008 paper-1 obj) Keep an EYE

Q. In a step-graded p-n junction diode, what is the ratio of depletion region penetration depths into p and n regions (if the ratio of accentur to donor impurity atoms densities of 1:2)?

Option
a) 2 : 1
b) 4 : 1
c) 1 : 2
d) 1 : 4

Asked In IES EC Chandni Maurya (12 years ago)

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