Lesson Notes By Weeks and Term - Senior Secondary School 2

SUBJECT: I.C.T

CLASS:  SS 2

DATE:

TERM: 3rd TERM

 
WEEK 4

TOPIC: INTERNET I

INTERNET

 The Origins of the internet dates back to1960s when the United State funded research projects of its military agencies to build robust, fault-tolerant and distributed computer network.

The internet is a global system of interconnected computer network that use the standard internet protocol suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies. The internet carries a vast array of information resources and services, most notably the interlinked hypertext documents of the World Wide Web (www) and the infrastructure to support electronic mail. One of the simplest definitions of internet is that, it is a collection of computer linked together.

BASIC TERMS ASSOCIATED WITH THE INTERNET

Browse: This is a term used to refer to the process of accessing and viewing web pages on the internet.

Browser: A browser is also called a web browser. It is a software application that is used to access and view web pages in the internet. Most browsers can be used to send and receive email, connect to web based email services and read newsgroup.

Some popular browsers are: Internet Explorer, Opera, Safari, Chrome, Mozilla etc.

Chart rooms: These are virtual communication platforms where many people keep in contact with family, friends and classmates. Some websites that have chart rooms are Yahoo, AOL, MSN, Google etc. Some chart rooms allows the use of webcam to view each other and communication of emotions using chart emoticons.

Cyber café: It is a place where a number of personal computers connected to the internet are made available for use by customers at a price. Ina cyber café, customers are allowed to use the computers by charging them some amount of money within a period of time. A cyber café is also known as Internet Café.

Cyber Space: This term is used to describe internet networks and the www.

Download: This is a process of retrieving information from the internet onto a personal computer. A user can download files, music, software or games onto a personal computer.

Electronic mail (E-mail): A mail that is sent and received through the internet is called an e-mail. For a user to send and receive message on the internet he/she must have an email address. Example of an e-mail address is [email protected]. 

Home Page: This is the start page of any website. It refers to the initial or main page of a website that loads when a user specifies the URL of a website in a web browser.

HTML: HTML a short for Hyper Text Mark-up Language is a computer language with some sets of markup symbols and codes that are used for building websites.

Protocol: It is the standard or set of rules by which computers communicate over the network.

Web Page: A web page is a html document or resources of information in a website that is presented as a page. 

HTTP: HTTP stands for Hyper Text Transfer Protocol. It is the protocol for transferring web pages in the web.

ISP: Internet Service Protocol is a company that provides individuals and companies access to the internet. Examples of ISPs in Nigeria are: IPNX, Linkserve Limited, Cobranet Limited, Swift Networks Limited, etc.

Upload: This term refers to the process of transmitting a file from a local computer onto the internet. It is the opposite of download.

Website: The website is a collection of web pages that are related to an entity, activity or event. The beginning page of a website is called the Home page. 

Some examples of websites are:

Information Technology Organizations

1. http://www.hiitplc.com
2. http://www.microsoft.com
3. http://www.cpn.gov.ng

HIV/AIDS control Organizations

1. http://www.unaids.org
2. http://www.who.int/hiv/

Examination Bodies

1. http://www.waeconline.org.ng/

Drug Control Agencies

1. http://wwwndlea.gov.ng/
2. http://www.nafdacnigeria.org/

Individual Website

1. http://rosecox.net

  READING ASSIGNMENT: HiiT @ School, Computer Studies for Senior Secondary Education. Chapter Five, pages 111 - 113.

WEEKEND ASSIGNMENT

OBJECTIVES

1. ………… are virtual communication platforms where many people keep in contact with family, friends and classmate. (a) Internet    (b) Browser     (c) Chat room    (d) Cyber Café 
2. ………… is a place where a number of personal computer connected to the internet are made available for use by customers at a price. (a) Internet    (b) cyber Space    (c) Chat room    (d) Cyber Café
3. The process of retrieving information from the internet onto a personal computer is known as ……………….. (a) Uploading    (b) Protocol    (c) Download     (d) Browser
4. ………….. is the standard or set of rules by which computers communicates over the network. (a) Protocol    (b) HTML     (c) Web    (d) Download
5. A mail that is sent and received through the internet is called ……………… (a) Gmail    (b) Web-mail    (c) e-mail    (d) Browse mail

THEORY

1. Write the full meaning of the following acronyms; (i) HTML  (ii) HTTP (iii) ISP  (iv) www     (v) Email
2. Explain the following; (i) Browser    (ii) Internet    (iii) Web Page    (iv) Upload    (v) Cyber café