JSS1 First Term Internet and Communication Technology (ICT) Lesson Note – Data Processing

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WEEK 8

TOPIC:  DATA PROCESSING

CONTENT:

1. Definition of data processing
2. Data processing cycle

Definition of Data Processing

Data processing is the process of producing meaningful information by collecting all items of data together and performing operations on them to extract information.

Data processing can also be described as a series of actions or operations that convert or manipulate data into useful information.

Data processing involves the systematic recording, calculation, selection and combination of data to obtain facts and disseminate facts in relation to events in our everyday life. The processing of data can either be done manually or with the use of electronic machines. Data processing can involve calculating, sorting, editing etc.

DATA PROCESSING CYCLE

Data processing cycle includes the following:

DATA GATHERING

At this stage, data is gathered through various ways such as asking questions observations, reading books, listening and watching electronic media (radio and television). For example, giving a prospective customer a form to fill before opening a bank account is a form of data gathering.

DATA COLLATION

This involves writing out, sorting, summarizing or classifying data into groups, structures or files. Data is sorted in a way that will make data processing easy

Data collection is a term used to describe a process of preparing and collecting data. For example: as part of a process improvement or similar projection. The purpose of data collection is to obtain information to keep on record, to make decisions about important issues, to pass information on to other. Primarily, data is collected to provide information regarding a specific topic.

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