Data and Data Representation

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Data and Data Representation by Mind Map: Data and Data Representation

1. Lesson Outcome

1.1. Data, Information, Bits, Bytes, ASCII Codes, Unicode

2. Data, Information and Processing

2.1. Data Formats

2.1.1. Computers Process and store all forms of data in binary format Human communication Includes language, images and sounds Data formats: Specifications for converting data into computer-usable

3. Information processing cycle

3.1. Information processing cycle is the series of input, process, output, and storage activities.

4. Data, Information, Knowledge

4.1. Data: unprocessed facts and figures

4.2. Information: data that has been interpreted

4.3. Knowledge: information, experience and insight

5. Information processing cycle

5.1. Computers process data into information.

6. Processing – Data Coding

6.1. Data is encoded by assigning a bit pattern to each character, digit, or multimedia object.

7. Processing - Data Storage and Compression

7.1. Reduce the size of data to save space or transmission time

8. Processing – Data Integrity

8.1. Security or protection of data

9. Bits, Bytes, and Words

9.1. Bits The basic unit of information in computing and telecommunication

9.2. Bytes a unit of digital information in computing and telecommunications, that most commonly consists of eight bits

9.3. Words In computing, word is a term for the natural unit of data used by a particular computer design

10. Number Bases

10.1. 1) Radix When referring to binary, octal, decimal, hexadecimal

10.2. 2)Base The number of different symbols required to represent any given number