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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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(#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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(#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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(#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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(#M40019787) IES EC QUESTION Digital(2008 paper-2 obj) Keep an EYE

Q. How many bits will a D/A converter use so that its full-scale output voltage is 5 V mid is resolution is at the most 10 mV?

Option
a) 5
b) 7
c) 9
d) 11

Asked In IES EC Chandni Maurya (7 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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(#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 (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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(#M40019785) IES EC QUESTION (2008 paper-2 obj) Keep an EYE

Q. The figure of merit of a logic family is given by

Option
a) gain bandwidth product
b) (propagation delay time) x (power dissipation)
c) (fan-out) x (propagation delay time)
d) (noise margin) x (power dissipation)

Asked In IES EC Chandni Maurya (7 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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