Technology Questions

Q:

How E-commerce works?

Answer

=> When a consumer wants to buy a certain product, he go to the website and selects the product he wants to buy. 


=> Once the product is selected, the consumer transaction is moved to the online transaction server where he places an order. 


=> The informations is exchanged over a secure channel through a private gateway to a processing network. 


=> The networked banks accept or reject the transaction.


 All this happens in just a matter of seconds. E-commerce is a very secure due to the SSL (Secure Socket Layer) technology.

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Subject: Web Technology

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Q:

Which of the following topologies has the highest reliability?

A) Mesh B) Ring
C) Bus D) Star
 
Answer & Explanation Answer: A) Mesh

Explanation:

In the mesh topology, each computer is connected to the other with a separate physical link in a network. It is most reliable topology as the network does not get down in case one of the nodes is failed.

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Q:

What is ERP?

Answer

 ERP is a package with the techniques and concepts for the integrated management of business as a whole, for effective use of management resources, to improve the efficiency of an enterprise. Initially, ERP was targeted for manufacturing industry mainly for planning and managing core business like production and financial market. As the growth and merits of ERP package ERP software is designed for basic process of a company from manufacturing to small shops with a target of integrating information across the company.

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Subject: SAP

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Q:

What are the problems in processing batch input sessions and How is batch input process different from processing online ?

Answer

PROBLEMS:


i) If the user forgets to opt for keep session then the session will be automatically removed from the session queue(log remains). However if session is processed we may delete it manually.


ii)if session processing fails data will not be transferred to SAP database table.

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Subject: SAP

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Q:

How do you create a new object in JavaScript?

Answer

var obj = new Object(); or var obj = {};

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Subject: Web Technology

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Q:

What are the steps involved in uploading the files using FTP client software?

Answer

- FTP is used to upload the files on the server from the client side where it is installed on the computer of clients. 


- FTP client is checked for the installation of the software and according to that the appropriate directory is uploaded on the hosting server. 


- The hosting server uploads the files that is being created by the user and set the permissions for it so that public can access it. 


- Web hosting uses different directories like HTML that is used as var/www/html that is determined using the FTP client. 


- Initial local directory is being set up using FTP client and it is where the website gets stored. 


- The transfer mode is being determined for the files that need to be transferred either in ASCII or BINARY mode.

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Subject: Web Technology

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Q:

Describe the functionality of accelerometer of an iphone

Answer

iPhone responds to motion using a built-in accelerometer.
The accelerometer detects the movement and changes the display accordingly, at the time of rotating iPhone from portrait to landscape. 

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Q:

What is CSS selector?

Answer

- Basically it is a string that identifies the elements to which a particular declaration or set of declarations will apply. 


- It can also be referred to as a link between the HTML document and the style sheet. 


- It is equivalent of HTML elements.


For example : 


A {text-indent: 12pt}


Here, the selector is A, which is called as type selector.

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