Round 1- Code Crunch

What is a primary data structure for backtracking?

• Queue

• Graph

• Stack

• Tree

What is the number of edges present in a complete graph having n vertices?

• (n*(n+1))/2

• (n*(n-1))/2

• n

• Information given is insufficient

what is the output of the following Java code:

• 4

  2

• 2,4

• 3 5

• 3

  5

In 8-bit microprocessor, how many opcodes are present?

• 246

• 278

• 256

• 250

Which of the following is not an example of DBMS?

• MySQL

• Microsoft Access

• IBM DB2

• Google Drive

The ability to create, drop and alter database objects, is offered by ____.

• TCL(Transaction Control Language)

• DCL(Transaction Control Language)

• DDL(Data Definition Language)

• DML(Data Manipulation Language)

__ is a set of one or more attributes taken collectively to uniquely identify a record.

• Primary key

• Foreign key

• Super key

• Candidate key

Which of the following definition is incorrect for polymorphism?

• 1. Polymorphism helps in redefining the same functionality

• Polymorphism concept is the feature of object-oriented programming (OOP)

• 1. It always increases the overhead of function definition

• 1. Ease in the readability of the program

What will be the output of following code?

• 1 2 3

• error

• 1 2

• none of the mention

What will be the output of following code?

nameList = ['Harsh', 'Pratik', 'Bob', 'Dhruv']

pos = nameList.index("Bob")

print (pos * 3)

• Bob Bob Bob

• 3

• Pratik Pratik

• 6