Interview Questions

NaN stands for ‘not-a-number’. The function isNaN determines the argument or the value is a NaN. The function returns true if the argument is not a number, otherwise returns false.

- External Style Sheets are useful as it keeps the style and content separately and doesn’t allow it to mix with each other. It can control the styles for multiple documents, whereas inline style mixes the content with the style and make the code messier.

- External style sheet allows the creation of various classes in a structured way, whereas inline style sheet can’t create or control class elements.

- External style sheet can use selector and grouping methods to apply styles, whereas inline styles can’t use selector and grouping methods.

Overriding means changing behavior of methods of base class in derive class by overriding the base class methods. If class A is a base class with method ’calculate’ and class B inherits class A, thus derives method ’calculate’ of class A. The behavior of ’calculate’ in class B can be changed by overriding it.

Transferring of large/external/legacy data into SAP system using Batch Input programming. Batch input is a automatic procedure referred to as BDC(Batch Data Communications). The central component of the transfer is a queue file which receives the data vie a batch input programs and groups associated data into “sessions”.

- Web hosting services provide internet hosting and its services that provide organization to build the websites. 

- The web hosting services also allow the individuals to access the websites through the World Wide Web. 

- Web hosting provides the space to put their content and allow the clients to provide the Internet connectivity. 

- It provides the data center that allows the use of higher space and connectivity properties for the Internet users. 

- It provides tools to allow the website to run on the servers and easily accessible from the outside world using the browser.

There are two modes of operations that are necessary to run depending on the value returned by the startcommand(). The modes are as follows:
-  START_STICKY: this mode is used for the services that are explicitly started and stopped according to the need and the requirement of the user.
- START_NOT_STICKY or START_REDELIEVER_INTENT: this service mode is used for services that are running only when the processing command sent to them. That means these run on the basis of the command that is passed to them by giving the instruction of execution.
- Clients uses the Context.bindService() that is used to get the persistent connection for a service. To create a service that is not already running the command onCreate is used.

In manufacturing group, software that can be useful for Material Management and Manufacturing ERP. Some of the organizations that provide the manufacturing software solution are Oracle ERP system, sap etc.

The average propensity to consume (APC) is the ratio of consumption expenditures (C) to disposable income (DI), or APC = C / DI. 

Hence, APC = consumption/income.