Grade 8 - Ang Katamaran ngm ga Pilipino ni Dr. JoseRizal
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Lesson Plan This lesson is used to introduce data communication and its effect on us today.
Objectives: The objectives of this lesson are to : • • •
Discuss network component Introduce LAN, WAN, AND MAN Explain terminology associated with data communication
At the end of this lesson students should be able to : • • •
Define a number of terms related to data communication List the basic components of a network. Explain the difference between a LAN, WAN and MAN
Materials:
Handouts Power point Presentation Graphical organizer Definition of terms Animation – graphic object
Key Graphics:
Power Po Point Pr Presentation.
Instruction:
Plea Please se comp compllete ete the the foll ollowi owing acti activi viti ties es and and sub submi mitt you yourr res respo pon nse online.
Lab Activity:
Please identify the communication technology that is associated with the different types of networks, such as LAN, WAN and MAN.
What is a protocol and what purpose does it serve? Is it necessary for communicating devices to follow the same protocol?
Vocabulary Communication
This is the science (as it relates to the computer environment) and practice of transmitting transmitting information,
such as documents, graphics, images, or files by electronic or mechanical means. Data
This is unorgan unorganized ized facts facts that are process process into to meaningf meaningful ul informat information. ion.
Bit
This This is a short shorteni ening ng of the words words “Bin “Binary ary digit. digit.”” It has only only two two possib possible le valu values: es: 0 and 1.
Bytes Bytes A string string of of eight eight bits bits is called called a byte. byte. Protocol
Protocols are set of rules that governs how data is sent from one point to another.
Topology
This is the geometric arrangement of devices on the network.
Network
A network consists of two or more computers that are connected together to share information.
Local Area Area Network Network (LAN) (LAN) A local area network network (LAN) (LAN) is is a group group of computers computers and that share a common communications line or wireless link and typically share the resources of a single processor or server within a small geographic area (for example, within an office building). Wide Area Network Network (WAN) (WAN) This usually usually refers refers to a network network which covers covers a large geographical area, and use communications circuits to connect the intermediate nodes. Metropolit Metropolitan an Area Network Network A metropolit metropolitan an area network network (MAN) is a network network that that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN (LAN)) but smaller than the area covered by a wide area network (WAN (WAN). ).
Review:
What is communication? What is data? What is data communication?
Focus Question: What What is the the impor importan tance ce of Data Data Comm Communi unicat cation ion in in our moder modern n society?