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Frequently Asked IES EC Exam Pattern, IES EC Questions with Answers

(#M40019786) IES EC QUESTION Computer(2008 paper-2 obj) Keep an EYE

Q. Which one of the following statements is correct?

Option
a) PROM contains a programmable AND array and a fixed OR array
b) PLA contains a fixed AND array and a programmable OR array
c) PROM contains a fixed AND array and a programmable OR array
d) PTA contains a programmable AND array and a fixed OR array

Asked In IES EC Chandni Maurya (7 years ago)

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(#M40031881) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. Which block replacement algorithm is not generally used in cache operation?
a. LIFO
b. FIFO
c. LRU
d. Random

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40031870) IES EC QUESTION Signal & system (2006 paper-1 obj) Keep an EYE

Q. The impulse response of a system h(n) = a^n u(n). What is the condition for the system to be BIBO stable?

a. a is real and positive
b. a is real and negative
c. | a | > 1
d. | a | < I

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40019783) IES EC QUESTION Network(2008 paper-1 obj) Keep an EYE

Q. The lowest and the highest critical frequencies of an R-L driving point impedance are, respectively

Option
a) a zero, a pole
b) a pole, a pole
c) a zero, a zero
d) a pole, a zero

Asked In IES EC Chandni Maurya (7 years ago)

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(#M40031868) IES EC QUESTION EMT (2006 paper-1 obj) Keep an EYE

Assertion (A): Time varying electric field produces magnetic fields.

Reason (R): Time varying magnetic field produces electric fields.

a. Both A and R are individually true and R is the correct explanation of A.
b. Both A and R are individually true but R is not the correct explanation of A.
c. A is true but R is false
d. A is false but R is true

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40031883) IES EC QUESTION computer engg (2006 paper-2 obj) Keep an EYE

Q. Which one of the following registers of 8085 microprocessor is not a part of programming model?
a. Instruction register
b. Memory address register
c. Status register
d. Temporary data register

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40031874) IES EC QUESTION control system(2006 paper-2 obj) Keep an EYE

Q. Which one of the following is a disadvantage of proportional controller?

a. It destabilizes the system
b. It produces offset
c. It makes response faster
d. It has very simple implementation

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40031878) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. What is the Gray code word for the binary number 101011?
a. 101011
b. 110101
c. 011111
d. 111110

Asked In IES EC Chandni Maurya (6 years ago)

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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 (7 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%

Asked In IES EC Chandni Maurya (7 years ago)

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