A company can be called E-Business if and only if
(i) It has the ability to conduct business electronically over the Internet.
(ii) It manages payment transaction through the Internet.
(iii) It has a platform for selling products & services via the Internet.

OSS projects are collaboration opportunities that improve skills and build connections in the field.
Domains that developers can contribute to the open source community include:
(i) Communication tools.
(ii) Distributed revision control systems.
(iii) Bug trackers and task lists.
(iv) Testing and debugging tools.

(i) Straight-through: The coloured wires are in the same sequence at both ends of the cable.
(ii) Cross-over: The first coloured wire at one end of the cable is the third coloured wire at the other end of the cable.
(iii) Roll-over: The coloured wires are in the opposite sequence at either end of the cable,

(i) The var_dump( ) function is used to dump information about a variable.
(ii) This function displays structured information such as type and value of the given variable.
(iii) Arrays and objects are explored recursively with values indented to show structure.
Example:
\($\)x = "COMPUTER APPUCATION!";
\($\)x = null;
var dump(\($\)x);
?>
OUTPUT: NULL

(i)  A single entry in a table is called a Row or Record or Tuple.
(ii) Set of related data are represented in a row or tuple.
(iii) The horizontal entity in a table is known as a Record or row.

You can also draw rectangles and ellipses shapes by using the same technique as used in line drawing.
1. To draw a rectangle or ellipse: Click on the Rectangle or Ellipse tool from the toolbox. The cursor changes to a crosshair.
2. Click and drag anywhere on the screen. As you drag, a rectangle or ellipse appears
3. Release the mouse button when the rectangle or ellipse is of the desired size. Press the Shift key while you're drawing to constrain the shape to a square or circle.

Deleting Text
You can easily delete a character, or word, or block of text.
To delete a character, do the following:
1. Position the insertion point to the left of the character to be deleted.
2. Press Delete key on the keyboard. (or)
3. Position the insertion point to the right of the character to be deleted.
4. Press Backspace key on the keyboard.
To delete a block of text, do the following :
1. Select the text to be deleted.
2. Press Delete or Backspace in the keyboard (or) Edit ⟶ Clear command.

(i) The top level of EDIFACT structure is Interchange.
(ii)  An interchange may contain multiple messages.
(iii) It starts with UNB and ends with UNZ.

1. Electronic cash is (E-Cash) is a currency that flows in the form of data.
2. It converts the cash value into a series of. encrypted sequence numbers, and uses these serial numbers to represent the market value of various currencies in reality.

1. Credit card based payment systems (pay later)
2. Debit card based payment systems (pay now)
3. Stored value card based payment systems (pay before)

(i) Multimedia is available in many public places like trade shows, libraries, railway stations, museums, malls, airports, banks, hotels and exhibitions in the form of kiosks.
(ii) The information presented in kiosk are enriched with animation, video, still pictures, graphics, diagrams, maps, audio and text. Banks uses kiosks in the form of ATM machines.

Cyber Squatting is the illegal practice of registering an Internet domain name that might be wanted by another person in an intention to sell it later for a profit. It involves the registering of popular trademarks and trade names as domain names before the particular company do. Cyber squatters also involve in trading on the reputation and goodwill of such third parties by inducing a customer to believe that it is an official web page.

(i) Country domain uses 2-character Country abbreviation according to country.
(ii)  For e.g., google.in - for INDIA, Google's for US. Some of the Domain Name and their meaning

PHP Open a File
1. fopen( ) is a system function available in PHP.
2. This function helps to open a file in the server.
3. It contains two parameters one for the file and the other one specifies in which mode the file should be opened (Read/Write).
Syntax:
＄file_Object= . fopen("FileName", "Read/ WriteMode'') or die("Error Message!'');
Example:
< ?php
＄myfile = fopen("Student.txt", "r'') or die("Unable to open file!'');
? >

(i) Wi-Fi stands for Wireless Fidelity.
(ii) It is a wireless network technology that permits computers and alternative devices to be connected to every alternative into a local area network and to the net without wires and cables .
(iii) Wi-Fi is additionally stated as wireless local area network that stands for wireless local area network, and 802.11, that is that the technical code for the protocol.

(i) First Generation(1G) 1981, NMT Launch
(ii) Second Generation(2G) 1991-GSM Launch
(iii) Second to Third, Generation Bridge(2.S)2000 - GPRC Launch
(iv)Third Generation( 3G) 2003- UK 3G Launch
(v) Fourth Generation (4G) 2007
(vi) Fifth Generation (5G) 2019+

(i) Resource sharing means one device accessed by many systems.
(ii) It allows all kind of programs, equipment's and available data to anyone via network to irrespective of the physical location of the resource of them.
(iii) Simply resource sharing is sharing such as printers, scanner, PDA, fax machine, and modems. For example, many computers can accessone printer if it is in networks.

< ?php
＄x = "August";
if (＄x == "January'') {
echo "Happy Republic Day";
}
elseif (＄x == "August'') {
echo "Happy Independence Day!!!";
}
else{
echo "Nothing to show";
}
? >

1. Reducing duplication of code
2. Decomposing complex problems into simpler pieces
3. Improving clarity of the code
4. Reuse of code
5. Information hiding

The SQL query statements are helping with PHP MySQL extension to achieve the objective of MySQL and PHP connection.