ECE GATE Exam Previous Papers | ECE GATE Model Papers 2015 SET 1

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SET 1-ECE GATE Exam Previous Papers 2015 | ECE GATE Model Papers 2015

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GATE Electronics and Communication Engineering Previous Paper 2015 Details

  • Total number of Questions = 25
  • Q. 1 – Q. 25 carry one mark each
  • Q. 26 – Q. 55 carry two mark each

Few Question are listed below for preview: GATE Electronics and Communication Engineering Previous Paper 2015

1. A region of negative differential resistance is observed in the current voltage characteristics of a silicon PN junction if
(A) both the P-region and the N-region are heavily doped
(B) the N-region is heavily doped compared to the P-region
(C) the P-region is heavily doped compared to the N-region
(D) an intrinsic silicon region is inserted between the P-region and the N-region
2. In an 8085 microprocessor, the shift registers which store the result of an addition and the overflow bit are, respectively
(A) B and F
(B) A and F
(C) H and F
(D) A and C
3. Negative feedback in a closed-loop control system DOES NOT
(A) reduce the overall gain
(B) reduce bandwidth
(C) improve disturbance rejection
(D) reduce sensitivity to parameter variation
4. The transmitted signal in a GSM system is of 200 kHz bandwidth and 8 users share a common bandwidth using TDMA. If at a given time 12 users are talking in a cell, the total bandwidth of the signal received by the base station of the cell will be at least (in kHz) ________.



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