Multimedia Communication

Views:
 
     
 

Presentation Description

Different methods of communicating using technology.

Comments

By: mitalinarwani (33 month(s) ago)

i like ur presentation this is very useful for my seminar can u plz send me this at "narvanimitali@yahoo.in"

Presentation Transcript

Slide 1: 

Multimedia Communication

Slide 2: 

Communication at a distance Examples: Cable, radio, telegraph, telephone, and T.V. Telecommunication

Slide 3: 

The process of producing an image using film or digital technology Photography

L.A.S.E.R(Light Amplification by the Stimulated Emission of Radiation) : 

L.A.S.E.R(Light Amplification by the Stimulated Emission of Radiation) A device that produces a very narrow beam of very bright light

Slide 5: 

Radio waves are produced by feeding an electric signal to the mast or antenna of a transmitters frequency and wavelength Radio Waves

Slide 6: 

Waves of pressure that people (or dogs) hear as sound, that travel through air or other materials. Sound Waves

Slide 7: 

Electromagnetic Waves What are electromagnetic waves ? Light, microwaves, x-rays, and TV and radio transmissions are all kinds of electromagnetic waves. They are all the same kind of wavy disturbance that repeats itself over a distance called the wavelength.

Slide 8: 

Used to orbit the earth to communicate with us high above the atmosphere. Satellites can transmit voices, images, and information. Satellites

Slide 9: 

Weather Spy Satellites Communications Astronomy Space Probes - Voyager Examples of Satellites

Slide 10: 

Used to measure an exact quantity of current Measured in waves Use varying voltage (electric signals) converted to magnetic particles. Analog Communications

Slide 11: 

Examples of Analog Communication Record Player AM/FM Radio Telephone VCR (Beta/VHS)

Slide 12: 

Count instead of a measure of a quantity Includes all types of electronic equipment and applications that use information in the form of numeric code. The information is represented by two numbers one’s and zero’s. Digital Communication Binary Digits

Slide 13: 

Cameras MP3 Player CD Player DVD Player Computer Disk Drive Video Games Digital Devices

Slide 14: 

History of Telecommunications

Slide 15: 

1837 Samuel Morse invented the Telegraph. The original Morse telegraph printed code on tape. However, in the United States the operation developed into sending by key and receiving by ear. Telegraph

Slide 16: 

1876 Alexander Graham Bell invented the telephone Telephone

Slide 17: 

Marconi Guglielmo Sent and received his first radio signal in Italy in 1895. Radio

Slide 18: 

Inventor Philo T. Farnsworth with his invention, the first electronic television, in Sept. 10, 1928 in San Francisco Television

Slide 19: 

The End !