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IES EC Logical Reasoning Questions with Answers

(#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 (11 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 (11 years ago)

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(#M40031880) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. Which of the following instructions of an 8086 microprocessor uses the contents of a CX register as a counter?
1. LOCK
2. LOOP
3. ROTATE
Select the correct answer using the codes given below:
a. Only 1 and 2
b. Only 1 and 3
c. Only 2 and 3
d. 1, 2 and 3

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031879) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. Which one of the following is correct for ASCII codes for all upper case English letter compared to all lower case English letters?
a. Are all large
b. Are all smaller
c. Are all equal
d. Some are larger and some are smaller

Asked In IES EC Chandni Maurya (11 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 (11 years ago)

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(#M40031877) IES EC QUESTION analog(2006 paper-2 obj) Keep an EYE

Q. When used for amplification, the output port side of a BJT behaves as controlled current source. According to the above, the variation of which one of the following does not change the output current of an
ideal BLT? (The BJT is being used in a common emitter amplifier circuit)

a. Load resistance
b. Collector to base bias voltage
c. Both load resistance and collector to base bias voltage
d. Base-emitter bias voltage

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031876) IES EC QUESTION analog(2006 paper-2 obj) Keep an EYE

Q. Consider the following parameters of a hybrid-it equivalent circuit of BJT:
1. Transconductance (gm)
2. hfe
3. hie
Which of the above parameters vary with temperature in similar manner (all of them decrease or all of them increase)?

Select the correct answer using the codes given below:

a. Only 1 and 2
b. Only 2 and 3
c. Only 1 and 3
d. 1, 2 and 3

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031875) IES EC QUESTION analog(2006 paper-2 obj) Keep an EYE

Q. What is the phase shift between the input and output voltage in a common-base small signal amplifier (assuming ideal coupling and bypass capacitors)?
a. 180°
b. -180°
c. 0°
d. None of the above

Asked In IES EC Chandni Maurya (11 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 (11 years ago)

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(#M40031873) IES EC QUESTION communication(2006 paper-2 obj) Keep an EYE

Q. Match List I (Modulation) with List II (power input to Antenna in Watts) and select the correct answer using the code given below the lists:

List-I
A. 100% AM
B. 50% AM
C. 1.0% AM
D. FM
List-II
1. 1.5
2. 1.125
3. 1.005
4. 1.00
Codes;

__A B C D
a. 1 2 3 4
b. 2 4 1 2
c. 1 4 3 2
d. 3 2 1 4

Asked In IES EC Chandni Maurya (11 years ago)

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