Data Processing/Information Processing

Computer-Studies

OVERVIEW OF COMPUTER SYSTEM

DEFINITION OF COMPUTER Computer can be defined as a programmable machine which can accept data through an input device, process the data accepted with pre-defined instruction and present the result through an output device in a desired form.   A Computer is an electronic device that can accept data, store data and processed data to […]

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teacher and students in classroom

The Educator’s Guide To Using Video In Teaching And Learning

The Educator’s Guide To Using Video In Teaching And Learning During the recent COVID pandemic, the education industry went through a major paradigm shift. Classroom lectures were not feasible considering the risk factors during the COVID pandemic. It is why the education industry started using online channels to continue its operations.  Also, online learning platforms

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Computer-Studies

COMPUTER GRAPHICS PACKAGE

COMPUTER GRAPHICS PACKAGE A graphic is a digital representation of drawing, chart or photographs. It can also be called a picture or image which contains no motion or animation. Graphic package is an application that can be used to create and manipulate images on a computer.   Computer graphics are used in many applications including

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Computer-Studies

MICROSOFT POWERPOINT

What is Microsoft Power Point? Microsoft PowerPoint is a presentation program that is incorporated in Microsoft Office suite package. It offers word processing, outlining drawing, graphing and presentation management tools   Starting a presentation with Microsoft PowerPoint There are two ways of starting Microsoft PowerPoint Click on start button, choose All Programs and click PowerPoint

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Computer-Studies

PRESENTATION PACKAGE

PRESENTATION PACKAGE – FULL EXPLANATION What is presentation package?  A presentation package is a software package used to display information in the form of a slide show. It provides the resources necessary to give a professional presentation for meetings, lectures, speeches or other similar situations. It enables graphic images to be inserted and manipulated in

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Computer-Studies

INTERNET – WELL EXPLAINED

INTERNET – WELL EXPLAINED What is internet? Internet or simply “The Net” is a worldwide system of computer networks in which used at any one computer can, if given permission or access, get information from any other computer. It is the largest connected of millions of computers connected to thousands of different networks worldwide.  

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Computer-Studies

FILE ORGANISATION

FILE ORGANISATION File organisation refers to the way in which data is stored in a file and the methods by which it can be accessed. Database is stored as a collection of files. Each file is a sequence of records. A record is a sequence of fields. Data is usually stored in the form of

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Computer-Studies

NORMAL FORM

NORMAL FORM Normalization of Database Database Normalization is a technique of organizing the data in the database. Normalization is a systematic approach of decomposing tables to eliminate data redundancy and undesirable characteristics like insertion, updates and deletion Anomalies. It is a multi-step process that puts data into tabular form by removing duplicated data from the

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Computer-Studies

DATA MODELLING

DATA MODELLING Data modeling is a process used to define and analyze data requirements needed to support the processes within the scope of corresponding information system in an organization. Creating simple data mode Microsoft Access offers one table, queries, forms, reports, macros and modules and these will be created before creating a data model. Table:

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Computer-Studies

DATA MODEL

DATA MODEL What is Data Model?.  Data Model can be defined as abstract model whose purpose is to describe how data can be used and represented effectively. A data model is a picture or description which shows how data are to be arranged to serve a specific purpose it determines the structure of data and

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Computer-Studies

WORD PROCESSOR

What is Word Processor? This is the act of typing, editing and printing of textual or graphical information using a word processor. Word processor is a software package used on microcomputers with processing power that allow text editing and production of report and documents.   Text Document This is a written printed or online document

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Computer-Studies

UTILITY PROGRAMS AND TRANSLATORS

TRANSLATOR These are programs used in converting programs written in other languages to machine language. They are also called language processors. The computer can only execute programs written in machine codes. These codes are tedious for programmers to write; hence they prefer other languages close to human. The translators are then required to change the

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Computer-Studies

WORD PROCESSING

WORD PROCESSING – WELL EXPLAINED Word processing software is used to manipulate a text document, such as a resume or a report. You typically enter text by typing, and the software provide tools for copying, deleting various type of formatting. Word processor is an electronic device or computer software application, which performs the task of

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Computer-Studies

OPERATING SYSTEM

OPERATING SYSTEM This is a set of programs which takes over the operation of the computer to the point of being able to allow a number of programs to be run on the computer without intervention by an operator. It acts as an interface between the user and the hardware. It controls and allocates hardware

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Computer-Studies

COMPUTER SOFTWARE

COMPUTER SOFTWARE: TYPES, IMPORTANCE, FUNCTIONS AND OS Computer Software is refers to collection of programs (instructions) that cause the hardware to work. A program is a written instruction for a computer to perform a specific task. These are thousands of programs that one can run on a computer. For instance, a graphic program can be

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Computer-Studies

PROCESS OF INFORMATION TRANSMISSION

INFORMATION TRANSMISSION PROCESS Information Transmission is the process of transferring information from one place to another. There are many ways by which information could by passed across to somebody or group of people. The major methods are: Ancient Method Modern Method   Ancient Method In the olden day information could be passed from one to

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