Important Questions Series 3

1) If a = 5 and b = 7 then the statement p = (a > b) : a ? b
(A) assigns a value 5 to p (B) assigns a value 7 to p
(C) assigns a value 8 to p (D) gives an error message

2) Changes made to the system to reduce the future system failure chances is called

(A) Preventive Maintenance (B) Adaptive Maintenance
(C) Corrective Maintenance (D) Perfective Maintenance

3) The machine registers are sometimes called

(A) local variables (B) global variables
(C) accumulators (D) static variables

4) The searching technique that takes O (1) time to find a data is

(A) Linear Search (B) Binary Search
(C) Hashing (D) Tree Search

5) The OS of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called

(A) Concatenation (B) Garbage collection
(C) Collision (D) Dynamic Memory Allocation

6) You have to sort a list L consisting of a sorted list followed by a few “random” elements. Which of the following sorting methods would be especially suitable for such a task?

(A) Bubble sort (B) Selection sort
(C) Quick sort (D) Insertion sort

7) The common column is eliminated in

(A) theta join 
(B) outer join 
(C) natural join 
(D) composed join