Explore how computer systems store, manipulate, and convert various data types like text, images, and videos through integrated software and hardware. Gain insights into accessible data representation.

Computer systems do not understand human instructions, nor can they perceive real-life data in its raw form. Therefore, computer systems require a way to store and represent information in an accessible way. They use software and hardware components combined to help retrieve information, store it, manipulate it, and convert it back to a human-accessible format. If you want to learn how computer systems perform complex tasks such as storing and manipulating textual data, videos, music, images of your cat, and much more, this course is meant for you.

Information Representation in Computer Systems

Suppose your job requires you to do three tasks:
 
* A: Work on a computer.

* B: Make a list of daily expenditures. 

* C: Read a book. 

You are spending 50% of your time working on task A and 25% of your time on tasks B and C each. Now you can optimize one of your tasks in terms of speed. Which one would you pick to do quickest? Task A, because that's what you do most often, and it would save you the most time and make you most productive. 

Similarly, we can encode fewer bits to encode the most frequently occurring data values. More specifically, we would allocate codes of length inversely related to each value's frequency of occurrence.

In this lesson, you will learn about redundancy in data.

Computer basics

Hardware and Software Components of a Computer

Data Representation in Python

Image, Audio, and Video Representation in Python

Data Compression

Redundancy in Data

Redundancy optimization