Technical Quiz(set-4)

Which keyword is used for function in python language?

• def

• Function

• fun

• Define

Functions in C language are always?

• Internal

• External

• Both A and B

• They are not valid terms for functions

Which of the following data structure can be used to implement queues?

• stack

• arrays

• LinkedList

• All of the above

Which of the following is a superclass of every class in java?

• ArrayList

• Abstract Class

• Object Class

• String

Which one of the following is not a access modifier?

• Protected

• Void

• Public

• Private

Which of these statements is incorrect about Thread?

• start() method is used to begin execution of the thread

• run() method is used to begin execution of a thread before start() method in special cases

• A thread can be formed by implementing Runnable interface only

• A thread can be formed by a class that extends Thread class

Functions can return enumeration constants in C?

• True

• False

• Depends on the compiler

• Depends on the standard

Which of the following is the use of id( ) function in python?

• Every object does not have a unique id

• id returns the identity of the object

• All of the above

• None of the above

Which of the following is known to be not an NP-hard problem?

• Vertex cover problem

• 0/1 knapsack problem

• Maximal independent set problem

• Travelling salesman problem

Which of the following represents the post order traversal of a binary tree?

• Left->Right->Root

• Left->Root->Right

• Right->Left->Root

• Right->Root->Left