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Placement Papers with Solutions

(#M40040651) GATE QUESTION logic Keep an EYE

A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the
sampling theorem, the sampling frequency which is not valid is
(A) 5 kHz (B) 12 kHz (C) 15 kHz (D) 20 kHz

Asked In Gate vignesh (11 years ago)

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(#M40040650) GATE QUESTION logic Keep an EYE

For a periodic signal v (t) = 30 sin100 t +10 cos 300 t + 6 sin (500 t +p / 4) , the fundamental frequency in
rad/s is
(A) 100 (B) 300 (C) 500 (D) 1500

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(#M40040649) GATE QUESTION logic Keep an EYE

The bit rate of a digital communication system is R kbits/s. The modulation used is 32-QAM. The
minimum bandwidth required for ISI free transmission is
(A) R/10 Hz (B) R/10 kHz (C) R/5 Hz (D) R/5 kHz

Asked In Gate vignesh (11 years ago)

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(#M40040648) GATE QUESTION logic Keep an EYE

For 8085 microprocessor, the following program is executed.
MVI A, 05H;
MVI B, 05H;
PTR: ADD B;
DCR B;
JNZ PTR;
ADI 03H;
HLT;
At the end of program, accumulator contains
(A) 17H (B) 20H (C) 23H (D) 05H

Asked In Gate vignesh (11 years ago)

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(#M40040647) GATE QUESTION logic Keep an EYE

The divergence of the vector field A = xaˆx + yaˆy + zaˆz
r
is
(A) 0 (B) 1/3 (C) 1 (D) 3

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(#M40040646) GATE QUESTION logic Keep an EYE

The maximum value of q until which the approximation sinq »q holds to within 10% error is
(A) 10° (B) 18° (C) 50° (D) 90°

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(#M40040645) GATE QUESTION logic Keep an EYE

A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the
first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches
irrespective of the state of the other switch. The logic of switching of the bulb resembles
(A) an AND gate (B) an OR gate (C) an XOR gate (D) a NAND gate

Asked In Gate vignesh (11 years ago)

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(#M40019954) MATHS OLYMPIAD QUESTION EQUATION AND INEQUALITIES Keep an EYE

In a certain number system 363 + 1056 = 1452. Find the value of (654 - 456) in the same number system?
(a) 156 (b) 165 (c) 178 (d) 198

Asked In Maths Olympiad vignesh (12 years ago)

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(#M40019953) GATE QUESTION BINOMIAL THEOREM Keep an EYE

The number of real negative terms in the binomial expansion of (1+ix)^(4n-2), n € N and x > 0 is?

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(#M40019952) GATE QUESTION PERMUTATION AND COMBINATION Keep an EYE

If A and B are two independent events such that and P(A'∩B)=2/7 and P(A∩B')=1/5, then P(A) is

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