IBM 1

IBM

TECHNICAL
25.09.2003

(Totally 20 Questions)

1. The operator which is not left assosciative is
+ - , = % Ans : =

2.Gaussian analysis of lexican og N
N N^2 Nlog2N N^2log2N

3. The files having the records of 10, 15, 20, 5, 15 to be merged to a single file.How many times the file access should be performed.
Ans : 25
4.Software configuration really means that
Identifying & config. S/W for devlmnt.
“ “ ‘ H/W “
“ “ “ H/w&S/W “
…..

5.Paging
Dividing mem. And prog. Into blocks of equal sizes
Mem. Swapping of prog. b/W core & harddisk
Multiprogram switching b/w core & hard disk
Processsor time
None

6.void main()
{ printf(“%u “,main);
}
int polygon l,b;

7.polygon=(l==b)?1:0;
printf(“%x”,-1<<4);>

8.Real time system
Crash analysis of a bridge
Automobile design software
Robotics in controlling m/c
Credit card system
Aircraft reservation system

9.Sorting of very large array is done by
Ans : Storing in linked list & sorting them

10.Dividing of modules is meant for
Ans : For testing purpose

11.char const *p=”Hello”;
char *const s=”Hello”;
1). p[0]=”M” 2)s=”Bye” 3).s[0]=”m” 4)p=”Bye”
Out of which will work properly

12.Which of the following will not interrupt the process
a. Ans : ctrl+cc

13.Which software model is efficient one.
Ans: Water fall model (not sure)
binary(0.4375) ?

14.The value of root node is greater than that of leaf is in
Ans :(not sure) tree

15.Data Integrity means ?
Which of the scheduling alg. Is having highest throughput
Ans : Shortest job first

16. Faster memory is Ans : cache