Cisco Placement Paper 2011

1. The starting location of an array is 1000. If the array[1..5/...4] is stored in row major order, what is the location of element [4,3]. Each word occupies 4 bytes. 2. In a tertiary tree, which has three childs for every node, if the number of internal nodes are N, then the total number of leaf nodes are 3. Explain the term "locality of reference" ? 4. What is the language used for Artificial Intelligence Ans: lisp 5.. Write the postfix form of the following expression . A+[[(B+C)+(D+E)*F]/G] 6. What is the function of the linker? 7. The minimum frequency of operation is specified for every processor because......   8. In memory mapped I/O, what will happen if a device is identified with a 16 bit address and enabled by memory related control signals.....   9. The reason for preferring CMOS over NMOS is.... Ans: Low power consumption. 10. Two binary numbers A,B are given and asked to find out A-B. 11.  union       { char *p;       int i;       char b;       }       main()       {       --       p=(char*)malloc(8*sizeof(char));       }       what is the size of union? 12.   func()       { int x=1;       if(x=1)       x=1000;       else       x=10;       return x;       }       what is the return value?       ans:1000 13. #define maxval 5 (programming / computer science engineering technical questions) int main (void) { int i=1; if(i-maxval) { printf(?inside?); } else { printf(?out?); } find o/p??? 14. main() { int *i; int s=(int *)malloc(10*sizeof(int)); for (i=0;i<10;i++) { printf(?%d?,i*i) } whats the output? 15. Simplify the expression AB + A( B + C ) + B ( B + C ) 16. Determine the logic gate to implement the foolowing terms--ABC, A+B+C 17. Implement the NOR gate as an inverter. 18. What does a PLL consist of ? 19. What is the advantage of cmos over nmos ? 20. What is the advantage of syncronous circuits over asynchronous circuits ?

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