Skip to main content

Encoding and Decoding

Encoding and Decoding seem like similar words, but they are opposites. They do share a relationship, and one is as necessary as the other when it comes to dealing with the transfer of information in computers and beyond. Any type of information can be encoded or decoded by a variety of means.

Encoding: Encoding takes information and transforms it into something else. This can be as simple as encoding a written message into a coded form. This makes the message hard to decipher for others. Computers use encoding when handling various files. If a CD track is ripped into an MP3, the program used to do this is encoding that track into a file that the computer or MP3 player can use. Any time information is rearranged or morphed into a coded form, it is being encoded.

Decoding: Decoding is taking information and returning it to its original form. That MP3 track that you ripped is decoded by your computer or MP3 player into music that you can hear. By using a code sheet or other pattern, a coded message can be decoded or understood. Whenever a computer program takes a file such as an image, text document, song or video and presents it to you in a way that you can understand, that file has been decoded by the program that you used to open it.

Encoding and Decoding: Think of encoding and decoding as opposing lanes on a highway. You are at one end and send your information down the encoding lane. When it arrives at its destination, you no longer can read or understand it. The vehicle that brings it back to you down the other lane is the decoder. It drives the information back towards you so that you can once again understand it. This is what a computer program does.

Remembering the Difference: The word "code" can mean a secret set of information. The prefixes "en" and "de" provide an easy way to differentiate the terminology. "En" means "inside" or "inwards." Encoding means to send information "inside" a code. "De" means "remove" or "reduce." Decoding means to remove the information from its code.


List of Popular Posts

Write a dialogue between two friends about the proper use of time

Suppose, You are Lina and Mina is you best friend. Now, write a dialogue between you and Mina about the proper use of time.

Dialogue: A dialogue between two friends (myself: Lina and my friend: Mina) about the proper use of time.

Lina: Hello Mina, how are you?
Mina: I'm not well.

Lina: Why! What happened?
Mina: My results of the HSC pre-test examination are not good.

Lina: What's the problem? Didn't you learn your lessons regularly?
Mina: No, I was not serious in using time properly and very often I wasted my valuable time on Facebook.

Lina: Oh, God, you are sure to fail in the HSC Examination.
Mina: Please tell me what I can do.

Lina: You must be sincere about your time. If you utilize of your time, you are sure to succeed.
Do you know about the benefits of using time properly?
Mina: Oh, no. I don't.

Quick navigation:Write a dialogue between two friends about national poet Kazi Nazrul Islam
Lina: All the great men of the world had made the proper use of time. They were very sincer…

Write a dialogue between two friends about the uses and abuses of Internet

Write a dialogue between two friends about the uses and abuses of Internet.

Dialogue:A dialogue between two friends (Lina & Mina) the uses and abuses of Internet.

Lina: Hi! How are you, Mina?
Mina: Fine and you?

Lina: I'm also fine. Where are you going now?
Mina: I'm going to the cyber cafe. I will have to submit an application via internet.

Lina: Oh I see. I will be very glad if you kindly tell me something about the uses of Internet.
Mina: Internet is a computerized network of information. Internet allows us to meet new people and discover new places even though we are not there. With the help of internet, we can get information about new books, movies, latest news, music, medicine, invention and can send mail electronically to any part of the world.

Composition:Uses and Abuses of Internet
Lina: How does it work in the field of education?
Mina: With the help of Internet we can get foreign education. A student no longer needs to spend long hours in libraries searching for a desired…

Write a dialogue between two friends on environment pollution

Dialogue about environment pollution.Karim: Good morning, Rahim?
Rahim: Good morning.

Karim: How are you, friend?
Rahim: I am fine and you?

Read:Write a dialogue between  two friends about the cause, effect and possible suggestion of remedy for drug addiction.
Karim: I am also fine. But why do you look so worried?
Rahim: You are right. I am somewhat worried about environment pollution.

Karim: Oh, Yes! Environmental pollution is one of the biggest problems the world faces today. It is being polluted day by day.
Rahim: You are absolutely right. This polluted environment causes much harm to us.

Karim: Exactly! But what are you thinking about its consequences?
Rahim: The consequence of environmental pollution is an issue that troubles us economically, physically and everyday of our lives.

Karim: Absolutely! Besides, the increase of world temperature is the result of environment pollution. What is your idea about it?
Rahim: I agree with you. I think the plants and animals are likely to be extinct…