Placement Papers: Redpine Paper 2006 at GNIS Hyderabad
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I have attended the REDPINE company i.e.. . one of domine company for ECE students. The cut off is 70% .
First there is a written test and then interview.
Written test consists of 4 secetions
Digital--30marks
Communications________20marks
Computer________20marks
Aptitude--30marks
Each questions carry weightage differently
Digital: It includes both STLD, VHDL and Microprocesers.
- Design 3: 1 multiplexer using one tri-state buffer, AND gates and NOT gates.
- The no of 2-input XOR gates required to design 19-inprt XOR gate?
- A 26Kbyte memory, there is memory it contains 12 adderss lines and 4 bit data bus, the number of these type of memories required to design 26Kbyte memory?
- Write a VHDL or Verilog HDL code for input: a, clock, reset output: Out out is assigned to 1 when a is ‘1’ for two clock cycles.
- what is the output of following fig. 100ps is the delay for XOR gate and 50ps for AND gate. All + ve and-ve edges start at boundaries of nanoseconds (actually the output of fig is A (B (notC) . + (not B) C) , and the waveforms are given) .
- design forwhich the output is 10MHz clock, input to that circuit is 30MHz. Communications:
- What is shonan՚s theorem?
- X is Gaussianly distribuyed signal
- p (X ⇐ infinte) = ?
- X is zreo mean and a unit variance random variable, them find the mean and variance of y
- y = 2X + 5.
- because of error 000 is coded insted of 0,111insted of 1. Then what is the error correction and error detection capability of the system?
- A deterministic signal whose pdf is given then we have to find the minimum sampling frequency needed?
- one question on bit rate________ (i didn՚t rember exactly)
- what is the application os MS world and Msperfect application is?
- write a c code for factrial using recursion.
- some statements are given like putup: Then lift the pen move accordingly without drawing aline, FD N: Move forward (N distance) LD N: Move left at an angle of 90 degrees then move N RD N: Move right at an angle of 90 degrees then move N putdown: Draw alin following instructions what is the output of following code putdown FD 10 putup LD 1 FD 2 putdown RD 8 so on like is________
- what is the output int a [10] = {0, 1, 2, 3, 4, 5,6, 7,8} ; int ⚹ p = a; printf ( “% d⧵n” ⚹ p ++)
- two genaral knowledge questions.
- what is expansion of GMSK?
- find out the 5 digit number in that 4th digit is 4 nore than the second digit, 3rd digit is 3 less the 2nd digit andfirst is 3 times the last digit?
some more questions are there in this section, but they are somewhat easy.
Best of Luck … P. RADHA