dataandinformation-150912112924-lva1-app6891.pptx

data and information

1. INFORMATION & COMMUNICATION TECHNOLOGY DATA AND INFORMATION

2. DATA ICT Grade 10 DATA is, Row facts related to things, people, place or event, which are in unprocessed form and have no/ little meaning. Data have to be Accessed Stored Processed Spread out In decision making process DATA Process Spread out Store Access

3. ICT Grade 10 Data exists in the following forms. Text Digits ( 0 - 9) Letters (a-z A-Z ) Punctuation marks (, . : ; etc) Control characters ( $ # @ ^ ! space etc) 2. Audio - Tones and other sounds, voice 3. Images -Dots, Lines, Circles, pictures………… etc. DATA

4. ICT Grade 10 Examples for DATA Employee Name 20,500 Job title $

5. Nature of data Data can be Collected and stored. Retrieved from a storage medium. Communicated. Processed. ICT Grade 10

6. Classification of data Data can be categorized into two basic forms. Quantitative data – Data that can be expressed numerically. 2) Non-quantitative data – Data cannot be expressed numerically. ICT Grade 10

7. Quantitative data Data that can be measured numerically. Deals with numbers. Eg :- The number of attendees at an event. The temperature in a given location. A person's height in inches.  ICT Grade 10

8. Non-quantitative data Data cannot be expressed numerically. Also known as qualitative data. Deals with descriptions. Eg :- Favourite colour . Place of birth. Favourite food. ICT Grade 10

9. Why quantitative & non-quantitative data? ICT Grade 10

10. What is PROCESS ? ICT Grade 10

11. Types of processes Arithmetic process Logical process Sorting/ ordering / grouping Manual process Automated process ICT Grade 10

12. What is INFORMATION? ICT Grade 10 INFORMATION is, A set of data which is processed in meaningful way according to the given requirement/situation.

13. DATA Vs INFORMATION ICT Grade 10

14. WHY data & information ? Making Decisions ICT Grade 10