What is the internet?

a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.

What is a Browser?

A browser is an application program that provides a way to look at and interact with all the information on the World Wide Web. ... Technically, a Web browser is a client program that uses HTTP (Hypertext Transfer Protocol) to make requests of Web servers throughout the Internet on behalf of the browser user.
Examples:  

1 WorldWideWeb, February 25, 1990 

2 Mosaic, April 22, 1993 

3 Netscape Navigator and Netscape Communicator, October 13, 1994.

4 Internet Explorer, August 16, 1995 

5 Opera, 1996, see History of the Opera web browser.

What is search engine?

a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user.

1. Google.
2. Bing.
3. Yahoo.
4. Ask.com.
5. AOL.com.

What is Cloud service?

is any service made available to users on demand via the Internet from a cloud computing provider's servers as opposed to being provided from a company's own on-premises servers.

• Ex: Dropbox, Gmail, Facebook.
• Ex: Maropost Marketing Cloud, Hubspot, Adobe Marketing Cloud.
• Ex: SlideRocket, Ratatype, Amazon Web Services.
• Ex: ClearDATA, Dell's Secure Healthcare Cloud, IBM Cloud.
• Uses: IT consolidation, shared services, citizen services.