(i) You can save by clicking File \(\rightarrow\) Save on top left corner and then click File \(\rightarrow\) Save As or Ctrl+Shift+S. After that browse the location where exactly you want to save in your computer.
(ii) You can also save by just pressing Ctrl + S and then browse the location where you want to save.
(iii) All documents in OpenOffice writer will be stored with .odt extension. You can store your OpenOffice document as Microsoft Word document or pdf.

There are two different orientation :
(i) Landscape: The width of the document is more than the height. This is best suited for displaying professional photos, invitatíons, albums, tables etc.
(ii) Portrait :This is the most common and default orientation. Here, the height of the document is more than the width. Normally books, newspapers will be displayed in this format.

1. Symmetric encryption is a technique to use the same key for both encryption and decryption. The main disadvantage of the symmetric key encryption is that all authorized persons involved, have to exchange the key used to encrypt the data before they can decrypt it. If anybody intercepts the key information, they may read all message.
2. The following Figure depicts the working of symmetric key encryption.

1. A fire wall is a computer network security based system that monitors and controls incoming and outgoing network traffic based on predefined security rules.
2. A firewall commonly establishes a block between a trusted internal computer network and entrusted computer outside the network.

Program to find the cube of a number:
< html >
< body >
< script language = "JavaScript" type = "text/ JavaScript" >
var N = window.prompt("Enter the number to find cube" ,"O")',
var x = parse Int(N);
vary s = cube (x);
document, written ("The cube of a number" + x + "is" +s); function cube(m)
{
var s = m*m*m;
returns s ;
}
< /script >
< /body >
< /html >

if (expression)
{
// Execute code block #1
}
else if (expression)
{
// Execute code block #2
}
else if (expression)
{
// Execute code block #3
}
else
{
// if all else fails, execute block #4
}

H1
{
Font-family
}
Font-family : "Arial";
        Font-style : Italic;
        Font-size : 24px;
        }

CSS style declaration consists of two major parts; Selector and Declaration. The Selector refers an HTML tag in which you want to apply styles. The Declaration is a block of code that contains style definition. It should be surrounded by curly braces. Any number of properties for each selector can be included and they must be separated by semicolons. The property name and its value should be separated by a colon. Each declaration should be terminated by a semicolon (;).

Attributes of <Select> tag:
(i) The <select> tag is used to create dropdown list box in HTML.
(ii) It provides a list of various options as a dropdown list.
(iii) This element is more helpful when a number of options are to be displayed in a limited space.
(iv) The <option> tag is used to specify list items.
(v) Name - Provide the name to the control, which is sent to the server.
(vi) Size - Determine the style of dropdown list box.
Size = 1 dropdown list box.
Size =2 List box
(vii) Multiple - Allows user to select multiple values.
Attributes of <option> tag :
(i) Selected - Indicate default selection.
(ii) Value - Value to be submitted to server.

The important attributes used with the < form > tag are method and action attributes.
(i) Method : The method attribute of the form tag is used to identify how the form element names and values will be sent to the server. The get method will append the names of the form elements and their values to the URL. The post method will send the names and values of the form elements as packets.
(ii) Action: The action attribute identifies the server side program or script that will process the form. The action will be the name of a Common Gateway Interface (CGI) program written in programming languages, like Perl, JavaScript, PHP or Active Server Pages (ASP).
General Format of < form > tag
< Form method=get/post action= "back_end_server_script" >
Form elements
< /Form >

< Html >
< Head >
< title >Html< /title >
< /head>
< body >
I am studying Computer Application
< /body>
< /html >

(i) Click File \(\rightarrow\) Save (or) Press Ctrl + S
(ii) Save as dialog box appears.
(iii) In "File Name" text box, type a file name with .htm or .html extension.
(iv) Select "All Files" from "Save as type" list box.
(v) Click "Save" button.

The Internet works by using a protocol called TCP/ IP. TCP/IP allows one computer to talk to another computer via the Internet through compiling packets of data and sending them to right location.

Yes, hard drives and floppy drives represented with drive letters.

A mobile operating system controls a mobile device and its design supports wireless communication and different types of mobile applications. It operates 012 smart phones Tablets and Digital Mobile devices.
(i) Google Android
(ii) Apple iOS
(iii) Blackberry
(iv) Symbian

Microprocessors can process instructions. The microprocessors can be classified as follows based on the size of the data.
1. 8-bit microprocessor
2. 16-bit microprocessor
3. 32-bit microprocessor
4. 64-bit microprocessor

(i) Parallel and Distributed computing
(ii) Computers have become smarter, faster and smaller
(iii) Development of robotics
(iv) Natural Language Processing
(v) Development of Voice Recognition Software

Input device is used to feed any form of data to the computer, which can be stored in the memory unit for further processing.
Example: Keyboard, mouse, Scanner, Fingerprint scanner, Track Ball, Retinal Scanner, Light pen etc.

Several people make use of the presentation software while giving presentations, some examples are as follows.
(i) Sales persons need to give presentation to their customers clients and managers.
(ii) Human Resource departments use the presentation to provide training to new staff.
(iii) In schools, teachers can better explain concepts by the means of presentation.
(iv) Students also create presentation on topic given by their teachers.
(v) The presentation software is mostly used during seminars, conferences. This helps the presenter easily project his key points on a large screen while talking about the topic simultaneously.

.=(A1 + A2 + A3)/3 (or) = Average (A1 : A3) = 62.7%