Phishing:
1. Phishing is a type of computer crime used to attack, steal user data, including login name, password and credit card numbers. It occurs when an attacker targets a victim into opening an e-rnailer an instant text message.
2. The attacker uses phishing to distribute malicious links or attachments that can perform a variety of functions including the extraction of sensitive login credentials from victims.

Linking CSS with HTML:
The < link > tag is used to add CSSfile with HTML in head section. While using < link > tag, the following attributes are also included along with standard values.
rel = "stylesheet"
type = "text/css"
The href attribute is used to link the .css file.
General format of < Link > tag
< Link rel = "stylesheet" type = "text/css" href = CSS_File_Name_with_Extension >
HTML Code for Formatting HTML element through CSS:
Mystyle.css
H1
{
font-family: "Comic Sans MS";
Font-weight: Bold;
border:2px solid blue;·
}
P {
font-style : Italic;
color :MediumSeaGreen;
}
--- CSS_Test.htm --- 
< html >
< head >
< title > Demonstration of using CSS < /title >
< link rel="stylesheet" type="text/css"
href= "mystyle.css" >
< /head >
< body >
< H1 > Welcome to CSS < /H1 >
< p >
CSS was invented by HakonWium Lie on October 10, 1994 and maintained through a group of people within the W3C called the C5S Working Group. The CSSWorking Group creates documents called specifications. When a specification has been discussed and officially ratified by W3C members, it becomes a recommendation.
< /p >
< body >
< html >

These tags may be shows the same output, but the usage of tags are varying. The following table shows the usage of this kind of tags.

While writing HTML document, we should use the appropriate tags according to its usage. If we want show a text as underlined use < u > instead of < ins >

Webpage :
A webpage is a page of a Website. A webpage can be accessed by a URL in a browser and that page can be copied and or send to a friend for review whereas websites are collections of multiple page that must be navigated to view other content.

To insert rows or columns inside a table:
(i) Place the insertion pointer in the row or in the column where you would like to add new rows or columns and right-click.
(ii) Choose Row \(\rightarrow\) Insert - to insert a new row or Column \(\rightarrow\) Insert - to insert a new column. A dialog box will appear, from which you can select the number of rows or columns to insert. You can also set the position of the new rows or columns to Before or After.

One of the built-in features of JavaScript is the ability to concatenate strings. The + operator performs addition on numbers but also serves as the concatenation operator for strings. Because string concatenation has precedence over numeric addition, + will be interpreted as string concatenation if any of the operands are strings. + operator which is also called as the string concatenation operator.

There are five core tags are used to create a table in HTML. They are
(i) < table > tag is used to create a table
(ii) < tr > tag defines table rows
(iii) < th > tag defined table columns
(iv) < td > tag is used to specify the data in a cell
(v) < caption > tag defines title for the table.

Use of Cortana
(i) Gives reminders based on time, places or people.
(ii) Track packages, teams, interests and flights.
(iii) Send emails and texts.
(iv) Find facts, files, places and information.
(v) Open any application on your system.

Segments require hardware support in the form of a segment table which usually contains the physical address of the segment in memory, its size, and other data such as access protection bits and status (swapped in, swapped out, etc).

(i) Serial Port 
(ii) Parallen Port
(iii) USB 3.0
(iv) VGA connector
(v) Audio plugs
(vi) PS/2 Port
(vii) SCSI Port
(viii) High Definition Multimedia Interface(HDMI).

1. LSB and MSB
2. 0 and 1
3. O and F
4. 1

Step 1: Find 1's complement (Replace 1 by 0 and o by 1)
Step 2: Add 1 to the 1's complement

a) AND gate truth table

b) OR Gate Truth table

c) Not Gate Truth Table

(i) Vacuum tubes contain electrodes for controlling electron flow and were used in early computers as a switch or an amplifier.
(ii) Vaccum tubes are big in size and consumed more power.

The various applications of computers are,
(i) Business
(ii) Education
(iii) Marketing
(iv) Banking
(v) Insurance
(vi) Communication
(vii) Health care
(viii) Engineering - Robotics, Nano technology, Bio Engineering

The process of saving a worksheet is very similar to saving a document.
Steps to save a worksheet are as follows:
Step 1: File ➝ Save (or) Ctrl + S (or) Click "Save" icon on the standard tool bar.
Step 2: If the spreadsheet has not been saved previously, the Save As dialog box will appear.
Step 3: Type the name in "File Name" list box.
Step 4: Click "Save as type" list box. It shows all possible formats to save your file. From the list select "Microsoft Excel 97/2000/XP (.xls)" option, and then click "Save" button

DDE is an acronym for Dynamic Data Exchange, a mechanism whereby the source data can be pasted into destination as a linked, 'live' copy of the original. Any changes made in the source will immediately reflect into the destination. The DDE link ensures that, the source document is always updated.