Lesson Notes By Weeks and Term - Senior Secondary 1

Process of transmitting information

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Term: 2nd Term

Week: 4

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 2 periods each

Date:       

Subject:      Data Processing

Topic:-       Process of transmitting information

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Highlight the disadvantages of wireless communication
  2. Explain the classes of the means of transmitting information

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, pictures, Data Processing for senior Secondary Education by Hiit Plc, WAPB Computer Studies for Senior Secondary I by Adekunle et al, On-line Materials.

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher reviews the previous lesson on the process of information transmission

Students pay attention

STEP 2

EXPLANATION

He discusses the disadvantages of wireless communication

 

 

Students pay attention and participates

STEP 3

DEMONSTRATION

He further explains the classes of the means of transmitting information

 

Students pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

The students copy the note in their books

 

NOTE

PROCESS OF INFORMATION TRANSMISSION

Disadvantages of Wireless Communication

  1. Unlimited security threats.
  2. Risk of information loss.
  3. Need for strong security protocols.

 

CLASSIFICATION OF THE MEANS OF TRANSMITTING INFORMATION

1. Electronic means of information transmission

  1. Fax Machine: It is a technology that sends copies of documents over the telephone lines. It is an example of digital communication system.
  2. Telephone/ Mobile Phone: Telephone and mobiles are most commonly used means of communication. They are not only very fast but also link far distant locations within no time.
  3. Telegraphy: Is a communication system in which information over a wire through a series of electrical current pulse, usually in the form of morse code.
  4. Television: News and entertainment programmes are broadcasted on television. Television can broadcast both audio and video communication.
  5. Radio: News and entertainment programmes are broadcasted on radio. Radio can be used only for broadcasting the audio messages to a large audience.
  6. Satellite: Artificial satellites are used to communicate with very distant locations. They are used to live-telecast matches and programmes worldwide.
  7. Internet: This is very cheap and reliable means of not only for communication but also useful for employment and education.

2. Non – electronic means of information transmission: they include Drums, Metal gong, Animal Signs, Horn, Fire lighting etc

 

EVALUATION:   1. Differentiate between Electronic and Non – electronic                               means.

  1. State the disadvantages of wireless communication.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively