CAPE INFORMATION TECHNOLOGY Unit 1: Module 1 Objectives 4 & 5: - distinguish among data, information and knowledge; - explain information processing;

What is the relationship between Data, Information and Knowledge Structure Information Application Knowledge

Information Processing Set of activities done in a particular sequence to bring about a desired outcome Processes include Input –getting data Output –information going out Structure/Processing Activity Data Information

Manual Information System Humans perform all activities of the processing activities. E.g. Finding a friends number in your directory Library cards written up to loan a book

Information Processing –A Manual Information System Activities Collecting gathering all necessary data items Collating organize in a particular sequence. Analysing examine critically, find keys facts, causes, etc. Finding trends, etc Presenting how information is presented; its format, etc. E.g. Text, audio, etc. Disseminating Sharing, spreading, promulgating, broadcasting of information Internet, data communication, radio, television

A Manual Information System -Activity Suppose you are visiting the island where your friend, Barak Obama, lives with his wife and children and you wish to surprise him with a visit to his home. You know his telephone number. •Which of the following items would best assist you in locating Barak’s address? Telephone directory Map of his country Taxi operatory •What data do you have that will assist you in locating his address? Telephone Number only Name only Surname and telephone number Which of the following best described the steps to the done? Look for Barak Obama, write of the address Look up the section for Obama; go down the names, find a match with surname and telephone; write off the address Who/What would perform the tasks? A personal computer Telephone operator You

Manual vs. AIS Transmission Manual AIS Collecting Input Collating Processing Analyzing Output Presenting Storage Disseminating Transmission

Automated Information System An automated information system is simply a system by which information is processed for collection and distribution through a series of automated processes. The system often requires very little human interaction other than setup and maintenance. The automated information system is often used to access information and send it out to individuals. Those using automated information systems include governments, libraries, and private businesses.

Major Components of an AIS Hardware Software Networks and Communication People

Activities Input –data capture & data entry Output Processing Storing What is involved in data capture? Output presenting & disseminating Processing Analyzing, sort, calculate, etc. Storing Retrieve Transmission (communication)

Assignment Identify types of manual and automated information systems.