Answer
Crawler
Explanation
This is a program that go to various website to read their pages and content provided in order to form entries for a search engine index.All search engines have this program called spider or a bot. It acts as an automated script that browses through the internet to scan the web pages and find words contained in the pages and where the words are used.
To create a multi-column and multi-row
box for users to type into in an html form, use the <textarea></textarea>
tag pair.
<span>The html tags are the codes or the hidden keywords in
the web browser to tell about its format and displayed content. The html tags
mostly comes in pairs, pair consist of the start tag and end tag.</span>
Answer:
A. Binary
Definition:
Pertaining to a number system that has just two unique digits 0 and 1. - binary code
Answer:
The area of the compact disc is 113.04 square centimeters
Explanation:
A compact disc can be seen simplistically like a <em>circle</em>.
The area of a <em>circle</em> is given by the formula:
.
Where 
is the ratio between the length of a circle's circumference to its diameter, and it is, approximately, 
.
And <em>r </em>is the circle's radius (in this case, <em>the distance from the center of a compact disc to the edge of the disc</em>).
For practical purposes, 
is usually taken with only few decimals (that is, 
).
So, the area of the compact disc is:
.
