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The following are some of the prominent computer professional bodies in Nigeria. Nigeria Computer Society (NCS) Institute Of Management Information System. (IMIS) Computer Professional Registration Council of Nigeria (CPN) Information Technology Association of Nigeria (CPN) Nigeria Internet Group (NIG) Nigeria Computer Society (NCS) The Nigeria Computer Society (NCS) formed in 1978 as Computer Association of […]
Computer personnel are those who assemble, install, repair and operate the computer system. The term equally includes those people who make their living out of the computer industry. They include the following: Database Administrator Software programmer Hardware Engineers System analysts Web developers Computer support specialist Network Administrator Network Engineers Computer Technician Microsoft office specialist Computer […]
Data Processing is the process of producing meaningful information from raw data. It describes the series of actions taken to produce useful information by collecting all items of data together and performing operations on them. The aim of data processing is to convert raw data into information. Data: Data represent the raw unprocessed input element […]
In this chapter, you shall learn about what is data and information; the difference between data and information. Attempt to distinguish between manual and electronic data processing. DEFINITION OF DATA The term data means any basic fact which may be input to some processing system. A processing system is one where computations, comparisons and […]
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, […]
Data processing is the process of converting data into meaningful information. It involves collection of data or gathering of data. Data processing often refers to the use of computers in commercial applications as distinct from engineering applications. It is also an act of collecting data, assembling them and making them available to the processor in […]
Application Software These refer to the program used to solve a particular type of problem or variety of similar problems. Mostly, application programs are produced by an organisation for its specific tasks. Types of application software There are two major types of application software. These are: Users’ Application Program Application Package Users’ Application Programs: These […]
ART OF INFORMATION PROCESSING – CPMPREHENSIVE Art of Information processing can be defined as a series of actions or operations that convert data into useful information. It is the act of gathering, manipulating, storing, retrieval and classifying recorded information. Art of information processing is the acquisition, recording, organisation, retrieval, display and dissemination of information. Data […]
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Data processing is the collection and manipulation of items of data to produce meaningful information. Data processing is the process of manipulation data to generate information. Data processing methods are techniques used to process/sort different types of data. TYPES OF DATA PROCESSING (1) Batch Processing (2) Online Processing (3) Real-time Processing (4) Multi Programming […]
DATA PROCESSING SS 3 – FIRST TERM Data Management 1. Indexes 2. Database security 3. Crash recovery 4. Parallel and distributed databases 5. Networking DATA PROCESSING SSS 3 – SECOND TERM 1. Computer virus 2. Maintenance of computer 11 3. Career options in data processing 4. Projects. Also See YORUBA SSS 3 SCHEME […]
DATA PROCESSING SS 2 – FIRST TERM Data Management 1. Types of data models 2. Data modelling 3. Normal forms 4. Entity relationship model 5. Relational modelling DATA PROCESSING SS 2 – SECOND TERM 1. File organization 2. Internet 1 3. Presentation package DATA PROCESSING SSS 2 – THIRD TERM 1. Web design […]
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 […]
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 […]
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 […]
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. […]
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 […]
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 […]
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 […]
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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