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Category Archives: ISRO

Immunity of the external schemas (or application programs) to changes in the conceptual schema is referred to as: (A) Physical Data Independence (B) Logical Data… Read More
Given relations R(w,x) and S(y,z), the result of SELECT DISTINCT w, x FROM R, S Is guaranteed to be same as R, if (A) R… Read More
Perform window to viewport transformation for the point (20, 15). Assume that (Xwmin, Ywmin) is (0,0); (Xwmax, Ywmax) is (100,100); (Xvmin, Yvmin) is (5,5); (Xvmax,… Read More
The number of edges in a regular graph of degree d and n vertices is (A) maximum of n and d (B) n + d… Read More
The running time of an algorithm is given by T(n) = T(n-1) + T(n-2) — T(n-3), if n > 3 = n, otherwise Then what… Read More
A hash table with 10 buckets with one slot per bucket is depicted here. The symbols, S1 to 57 are initially entered using a hashing… Read More
Disk requests come to a disk driver for cylinders in the order 10, 22, 20, 2, 40, 6, and 38 at a time when the… Read More
A computer has 1000 K of main memory. The jobs arrive and finish in the sequence Job 1 requiring 200 K arrives Job 2 requiring… Read More
Consider a system having m resources of the same type. These resources are shared by 3 processes A, B, C which have peak time demands… Read More
Determine the number of page faults when references to pages occur in order – 1, 2, 4, 5, 2, 1, 2, 4. Assume that the… Read More
Given √224r = 13r the value of radix r is (A) 10 (B) 8 (C) 6 (D) 5 Answer: (D) Explanation: √224r = 13r taking… Read More
The following C program main() { fork() ; fork() ; printf ("yes"); } If we execute this core segment, how many times the string yes… Read More
If a variable can take only integral values from 0 to n, where n is an integer, then the variable can be represented as a… Read More
Consider the following declaration : struct addr { char city[10]; char street[30]; int pin ; }; struct { char name[30]; int gender; struct addr locate;… Read More
Consider the following program main() { int x = 1; printf ("%d", (*char(char *)&x)) ; } Assuming required header files are included and if the… Read More

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