OpenText Cordys Technical Questions

How many nodes are there in a full binary tree with n non leaf nodes?
1. n+1
2. 2n+1
3. 2n
4. None of these
Answer: Option B.

What is name given to the extra key inserted at the end of an array ?
1. sentinel
2. end key
3. transposition
4. stop key
Answer: Option A.
What is the worst case time complexity of shell sort when n elements are to be sorted
1. O(n²)
2. O(n^1.2)
3. O(n^2.5)
4. O(n)
Answer: Option B.
Which of the following is true about bootable diskette?
1. It has been kicked around the room
2. It can be used to initialize the computer for use
3. It used to format computer
4. None of these
Answer: Option B.
Which of the following is a legal file name ?
1. *stay.happy
2. [smile].stf
3. Whats.has.happened?
4. @hotel
Answer: Option D.
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Which of the following is operating systems functions ?
1. input/output control
2. Virtual storage
3. Multiprogramming
4. All of these
Answer: Option D.

Technical Questions asked in OpenText Cordys