P1Summary PDF

Summary

This document provides an overview of different types of data, including text, numbers, images, audio, and videos, and how they are used. It also includes the concept of data communication and the role of communication in the modern world.

Full Transcript

Part 1 data is raw facts or instructions that are felted information data has been processed to help make decisions communication Tele communitation the exchange of information...

Part 1 data is raw facts or instructions that are felted information data has been processed to help make decisions communication Tele communitation the exchange of information over long distance data communication the transfer of information in binars between two Points data types 1 text group of symbols represent ideas in a language each symbol represented as a pattern of Is an Os 2 numbers Converted directly to binary rather than using accli code 3 images we can't sent images in their original form images made UP of pixies we need to encode them as 1s and or there are two ways to represent images bit map graphics Show the color of each Pixie Vector graphic gives instructions about where to Place each component 4 audio it continuous not discrete microphone covets sound into continuous electrical signal to create digital format sampling Quantization encoding into binary Patterns S videos videos is a representation of images called frames shown over time frames displased one after another to create motion each is converted into a set of bit Patterns and stored together these images make the video why do we studs data communication important in today world Communication is the key part of the information are data communications is used in many fields such as education healthcare etc it is become essential in our lives we Could nt do many activities without it

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