Computer Aptitude Online Test

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Description: Computer aptitude
Number of Questions: 15
Created by: Saurabh Mittal
Tags: Computer aptitude Java/Oracle /C/C++ Basics of Java Packages Strings and Character Arrays Multithreading and Garbage Collection Data Types Variables and Storage Classes C Language Network Security and Firewall Computer Hardware IT Certificate Programs

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Which of the following softwares is used to play videos?

Which of the following statements is false about java programming language?

Which of the following statements is/are false about access specifics?

Default members can be accessed only by classes in the same package.
Protected members can be accessed by other classes in the same package only.
A protected member inherited by a subclass from another package is not accessible to any other class in the subclass package, except for the subclasses of the subclass.
Public members cannot be accessed in other packages.
Both (2) and (4)

Which of the following statements is/are correct about interface?

Interface constant declarations of public, static and final are optional in any combination.
An interface can have abstract method only; no concrete methods allowed.
A class implementing an interface can itself be abstract.
A class can implement any number of interfaces.
All of the above

Which of the following statements is/are correct about StringBuffer class?

Which of the following is/are used to get confidential information about the users?

Which of the following statements is/are correct about garbage collection in java?

Which of the following is not a hardware device?

Find the odd one out.

Which of the following statements is/are correct about volatile variables?

These variable are used to save an object into a file.
The thread will read the most recent updated value by using volatile variable.
It is used to create variables and methods that will exist independently of any instances created for the class.
Volatile variables are used in asynchronous medium.
Both (2) and (4)

Which of the following options is not an 'Object Oriented Programming' (OOP) feature?

Which of the following options is not a server?

Which of the following options is not a browser?

Which of the following IDEs (Integrated Development Environment) is used to develop android applications?

All of the following are types of operating system, except

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