Week 1: Introduction to Telecomunication

What is Communication?

  • Communication is the imparting, conveying or exchange of thought, messages, ideas, knowledge, or information by sign and sounds like speech, signals or behaviour.



The Different Categories of Communications Include:
  • Spoken or Verbal Communication: 
    • Face-to face
    • Telephone
    • Radio or Television
    • Other media
  • Non-Verbal Communication:
    • Body language
    • Gestures
    • How we dress or act - even our scent
  • Written Communication:
    • Letters
    • E-mails
    • Books
    • Magazines
    • The internet or via other media
  • Visualizations: 
    • Graphs and charts
    • Maps
    • Logos
    • Other visualizations can communicate messages
What is Telecommunication?

(tele= far off) - Communication over a long distance. 

Telecommunications, also known as telecom, is the exchange of information over significant distances by electronics means and refers to all types of voice, data and video transmission. This is a broad term that includes a wide range of information transmitting technologies such as telephones (wired and wireless), microwave communications, fiber optics, satellites, radio and television broadcasting, the internet and telegraphs.


Six Elements of Computer and Communications Technology 
  • PEOPLE - Professionals and End User
    • Professionals- An Information Technology (IT) professional who had formal education in the technical aspect of using a computer and communication system. For example, Computer Programmer. 
    • End User- is someone without much technical knowledge of IT who uses computers for entertainment, education or work related task.   
  • PROCEDURE 
    • Descriptions of how things are done, steps for accomplishing a result
  • DATA/INFORMATION
    • Data- consists of the raw facts and figures that are processed into informations.
    • Information- summarized data or otherwise manipulated data.
UNIT FOR DATA

Bit (binary digit)
Byte (8 bits)
Kilobytes (KB) - 1000 bytes
Megabyte (MB) - 1 million bytes
Gigabytes (GB) - 1 billion bytes
Terabyte (TB) - 1 trillion bytes


  • HARDWARE 
    • Hardware: refers to any physical objects that are part of the computer system. The basic operations of a computer systems are: IPOS. (Input, Process, Output, and Storage)
      • Input Operation- data is entered or otherwise captured electronically and is converted to a form that can be processed by the computer. 
      • Processing Operation- the data is manipulated to process or transform it into information.
      • Output Operation- the information which has been processed from the data, is produced in a form usable by people.
      • Secondary Storage Operation- data, information, and programs are stored in computer- processable form.
  • SOFTWARE
    • Software- consists of the step by step instuctions that tell the computer how to perform a task.
      • Application Software- defined as software that can perform useful work on general purpose task. For example web browser, word processing software, database software and etc. 
      • System Software- have direct control and access to your computer hardware, and memory locations. they perform 1/0 operations on various memory locations, and control the hardware, to make the application software do task.
  • COMMUNICATION
    • Communication- defined as the electronic transfer of data from one place to another.
      • Sender
      • Receiver
      • Computer
      • Transmission medium
      • Signal converter (modem)







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