Database packages are used to design a database in a computer. Example of a common database package is Microsoft Access. MS Access is a Relational Database Management System used to create and modify databases. USING MS- ACCESS FOR DATABASE To create a database on the computer with MS Access Load MS Access: do the following; […]
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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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HARDWARE Computer hardware is generally used to describe all the electronic and mechanical elements of a computer system. It includes the physical equipment in a computer system e.g. cable, mother board, the processor, monitor, speaker etc. In other words, hardware is all the physical parts of a computer system that can be seen, felt and
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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 produce
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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 that
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 science, engineering, advertising, multimedia
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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 Double
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DATA PROCESSING SS 2 SCHEME OF WORK. Get the latest Scheme of work for your studies, Nigerian Scheme of work for Senior Schools, Scheme of Work for Nigeria Curriculum
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DATA PROCESSING SS 3 SCHEME OF WORK. Get the latest Scheme of work for your studies, Nigerian Scheme of work for Senior Schools, Scheme of Work for Nigeria Curriculum
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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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STARTING MICROSOFT ACCESS To start Microsoft Access, follow the steps below: Click start button, the program menu Move to the MS Office menu Click on MS Access Once Access is running, an initial screen will be displayed. From the initial screen, you can either (i) create a new blank database (ii) open an existing database
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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 the information
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: All data
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 relation tables.
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 records. Records
PRACTICAL ON INTERNET E-mail is a method of sending digital messages from one computer to another. E-mail is short for Electronic Mail. E-mail is received instantly by the users email provider and mails stay in the mailbox until accessed by the users. Mail boxes have storage limit (limited amount of emails which they can hold
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. These computers communicate, share, exchange
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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 slide show. Examples of presentation
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Data processing is the process of converting raw fact (data) to information (processed data). It embraces the techniques of sorting, relating, interpreting and computing items of data in order to provide meaningful useful information. Steps in data processing i) Preparation of source document: Here, figures, facts are obtained through different sources like name, age, sex,
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What is computer room? A computer room is a place where computers are kept for use. Computers need a room well ventilated and conductive for optimum performance. Types of Computer Room Computer room must be designed intelligently and serve the purpose they were intended to serve. The design and layout of a computer room creates
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