1.3.4 Web Technologies

Question 1

Features of Client-side processing?

Answer 1

● Initial data validation
● Provides web page interactivity
● Manipulates UI elements
● Reduces the load on the server
● Reduces the amount of web traffic
● Page may load slower as Javascript has to load

Question 2

Features of Server-side processing?

Answer 2

● Can manipulate databases
● Encodes data to readable HTML
● Keeps organisational data secure
● Can perform complex calculations
● Not browser specific
● Increase demand on web server

Question 3

What is a search engine?

Answer 3

A search engine is a program that searches through a database of internet addresses looking for a resource based on a criteria set by the client/user

Question 4

What does a Web Crawler do?

Answer 4

Travels across the internet collecting keywords and phrases from a web page and adding it to an index of web resources