module 1. upon completing module 1 students should be able to: understand the physical connections...

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Module 1

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Page 1: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Module 1

Page 2: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Upon completing Module 1 students should be able to:

Understand the physical connections needed for a computer to connect to the Internet

Recognize the components of a computer Install and troubleshoot NICs and modems Configure the set of protocols needed for Internet connection Use basic procedures to test an Internet connection

Demonstrate a basic ability to use Web browsers and plug-ins

Introduction to Networking

Page 3: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

To connect to the internet you will need 3 basic components:

Physical Connection

Logical Connection

Application

Connecting to the Internet

Page 4: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Physical Connection

This is the part of the connection that consists of items you can physically touch such as the Network Interface Card (NIC), a modem or the Network Media

Page 5: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Network Interface Card

When Purchasing an NIC for a PC you must consider:

The protocols in use

The System bus used by the PC

The type of media used on the network

Page 6: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Network Interface Cards

Situations that require NIC installation include the following:

Installation of a NIC on a PC that does not already have one

Replacement of a malfunctioning or damaged NIC

Upgrade from a 10-Mbps NIC to a 10/100/1000-Mbps NIC

Change to a different type of NIC, such as wireless

Installation of a secondary, or backup, NIC for network

security reasons

Page 7: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

High Speed and Dial Up

High Speed connections such asDigital Subscriber Line (DSL) andCable modem are known as “always on” services.Integrated Services Digital Network (ISDN)is a Dial Up service offered by telephonecompanies and generally operates at56kbps

Page 8: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Logical Connection

This part of the connection uses a set of rules (protocols) called the Transmission Control Protocol/ Internet Protocol (TCP/IP) suite.

This set of rules is the primary set of protocols used on the internet.

The TCP/IP suite enables you to transmit and receive data.

Page 9: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

TCP/IP Protocols

The TCP/IP protocols were developed by the Department of Defense (DoD) in the 1970’s to support worldwide internetworks.

The TCP/IP protocols allow cooperating computers to share resources across a network

Page 10: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Application

Once physically and logically connected to the internet an Application is needed to interpret and display the information.

Page 11: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Web Browsers

Two popular Web Browsers are:

Netscape Navigator

Internet Explorer

Page 12: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Plug-ins

A plug-in is a piece hardware or software that adds a specific feature to a system such as Internet Explorer.

Examples of plug-ins are Flash which is used to display animation or Quicktime which is used to display movies.

Page 13: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Binary Mathematics

It is very important to understand the concept of Binary Mathematics as this is the language which computers communicate in.

Computers can only understand two states, on which is represented by 1 and off which is represented by 0.

Page 14: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Bits and Bytes

A bit is one unit of binary data either a one or a 0.

A byte is 8 bits of binary data and is a single addressable storage unit.

Page 15: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Numbering Systems

The 3 main numbering systems used in networking are:

Binary: Base 2 0-1

Decimal Base 10 0-9

Hexadecimal Base 16 0-9 + A-F

Page 16: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Boolean Logic

The Boolean And rule states that 1 + 1 = 1

any other combination = 0

For example:

11001010

01101000

01001000

Page 17: Module 1. Upon completing Module 1 students should be able to: Understand the physical connections needed for a computer to connect to the Internet Recognize

Any Questions?

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