GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 490  496 of 913
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Question number: 490
» Information Systems and Software Engineering » Information Gathering
Question
Ctrl, shift, and alt are called – keys.
Choices
Choice (4)  Response  

a.  Adjacent 

b.  Alphanumeric 

c.  Modifier 

d.  Function 

Question number: 491
» Algorithms » Tree and Graph Traversals
Question
A connected graph T without any cycles is called
Choices
Choice (4)  Response  

a.  A tree graph 

b.  Free tree 

c.  A tree 

d.  All a. , b. and c. are correct 

Question number: 492
» Information Systems and Software Engineering » Information Gathering
Question
What characteristic of readonly memory (ROM) marks it useful?
Choices
Choice (4)  Response  

a.  Data in ROM is electrical power. 

b.  ROM chip are easily swapped between different brands of computer. 

c.  ROM provides very large amounts of inexpensive data storage? 

d.  ROM information can be easily updated. 

Question number: 493
» Programming and Data Structures » Programming in C
Question
The channel capacity of a bandlimited Gaussian channel is given by
Choices
Choice (4)  Response  

a.  B log2 (2 + S/N) 

b.  B log2 (1 + S/N) < / 

c.  B log2 (2 + 2S/N) 

d.  B log10 (2 + S/N) 

Question number: 494
» Algorithms » Tree and Graph Traversals
Question
Which of the following data structure is not linear data structure?
Choices
Choice (4)  Response  

a.  list 

b.  Arrays 

c.  Tree 

d.  All of the above 

Question number: 495
» Algorithms » Tree and Graph Traversals
Question
If in binary tree n > 1, then for any n = key Btree T of height is h min degree t > 2 has height (h) is
Choices
Choice (4)  Response  

a.  h < logt (n + 1/6 

b.  h < logt (n + 1/2) 

c.  h < logt (2n + 1/2) 

d.  None of the above 

Question number: 496
» Algorithms » Worst and Average Case Analysis
Question
When consider n elements are to be sorted then the worst case time complexity of quick sort is
Choices
Choice (4)  Response  

a.  0 (1) 

b.  0 (n) 

c.  0 (n^2) 

d.  Question does not provide sufficient data or is vague 
