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. […]
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
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
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 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
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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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
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 resources on
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
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 another through different means
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Computer Memory This is the part of the computer where data, programs and information are stored for use of the computer. It comes in form of a chip. The basic unit for computer memory is byte. Other units are KB, MB, GB, etc. All computers have memory units. The programs a computer is running as
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OUTPUT DEVICES These are hardware components used to obtain results from computer after processing. They convert data from machine-readable format into human readable format. Examples of output devices are monitor, printer, speaker, projector, plotter, etc. MONITOR This is an output device that displays the result of processing on the screen. It resembles a T.V set
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INPUT DEVICES These are hardware components used in entering data into the computer for processing. They convert data from human-readable form into machine readable format. They take information from the user of the computer, convert it into electronic signals and transmit it to the processor. Examples of input devices are keyboard, mouse, joystick, microphone, digital
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Application Areas of ICT ICT in Everyday Life. ICT is an acronym which stands for Information and Communication Technology. It is defined as set of technological tools and resources used to communicate, create, disseminate, store and manage information. The technologies include computer, the internet, broadcasting technologies (radio and television), satellite and telephony. Uses of ICT
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CONVERSION OF OTHER BASED TO DECIMAL SYSTEM To convert numbers in other bases to denary system, expand the given number in powers of its base and evaluate. Examples 1) Convert the following numbers to base ten (i) 10012 (ii) 255eight (iii) 35416 (i) 10012 = 1 x 23 + 0 x 22 + 0 x
Best 100 Universities in Europe, Top 100 Universities in Europe, Hottest Universities in Europe, European Top Universities that you can attend. Best 100 Universities in Europe 1 University of Cambridge 2 University of Oxford 3 Eidgenössische Technische Hochschule Zürich 4 University of Edinburgh 5 University College London 6 Universität Wien 7 University College Utrecht 8
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Universities in the United States of America (USA). Universities in USA, A-Z Universities in the United States. Universities in the USA Harvard University Boston Massachusetts Institute of Technology Boston Stanford University Santa Clara California Institute of Technology Pasadena Princeton University Princeton University of Chicago Chicago Yale University New Haven University of California Berkeley Columbia University
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List of Federal College Of Education in Nigeria Federal College of Education (Technical), Asaba Federal College of Education, Kano Federal College of Education (Special), Oyo Federal College of Education, Abeokuta Federal College of Education, Eha-Amufu Federal College of Education (Technical), Gombe Federal College of Education, Kontagora Federal College of Education, Okene Federal College of Education
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Names of Nigeria Universities, Polytechnics and College of Education. List of Nigeria Federal Universities, State Universities, Private Universities List of Nigeria Federal Universities Abubakar Tafawa Balewa University, Bauchi http://www.atbu.edu.ng Ahmadu Bello University, Zaria http://www.abu.edu.ng Bayero University, Kano http://www.buk.edu.ng Federal University Gashua, Yobe http://www.fugashua.edu.ng Federal University of Petroleum Resources, Effurun http://www.fupre.edu.ng Federal University of Technology, Akure
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Computers can be classified based on the following criteria Development of technology (by generation) Principle of operation (by type) Storage capacity or by configuration (by size) Degree of versatility (by purpose) Classification by types Computers can be classified into three major types based on principles of operations. The three types are Digital computer Analog computer
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