To enable students sharpen their mind towards the electronics. To help them get acquainted to computer and its applications. To help them acquire the skills in operating, designing and implementations. To help them know how to solve problems with computer.
Below are the advantages of data processing: (i) High degree of accuracy (ii) Cost of production is highly reduced. (iii) Much information is known. (iv) It is very fast. (v) It can be used in different areas.
Data can be processed in the following ways. Manual or Mechanical means: This involves the use of stones, stick, abacus bead, adding machine etc. Electronic means: This is the form of processing in discrete or continuous variable forms using electronic devices.
Secondary data is the data collected by one organization or data collected by one person and used by another person for another different purpose. Examples of secondary data are: National Population Commission (NPC) data, which is used by other people scientific data kept for future uses, etc.
It is a data collected by an organization for a particular purpose. Ways of collecting primary data are: experiment use of questionnaire interview counting measuring weighing. Examples of primary data are: Signing of attendance register in an organization experiment to verily ohm’s’ law etc.
Data: It is a raw form of Information. There are two forms of data, which are: Primary data Secondary data