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,
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ICT is an acronym which stands for Information and Communication Technology. It is defined as set of technological tools and resources used to communicate,
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NUMBER BASES 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 +
Best 100 Universities in Europe, Top 100 Universities in Europe, Hottest Universities in Europe, European Top Universities that you can attend.
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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 Nigeria Federal, State and Private Colleges Of Education 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,
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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, State Universities and 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
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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
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DIGITIZATION OF DATA What is Digitization of data? Digitization is the process of converting analog information into a digital format. For example, scanning of analog source like printed photos or taped text, images or videos into computers for editing. Digitizing is the primary way of storing images in a form suitable for transmission and computer
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DATA AND INFORMATION What is data? Data refers to raw facts yet to be processed. It is a fact, number or text that can be processed by a computer. Data has no meaning to the user unless processed to get meaningful information. Source of data Data can be obtained by any one or more
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GENERATIONS OF COMPUTER A generation is often referred to the state of improvement in the development of a product. Generation of computer is the advancement of computer technology from time to time. In every generation, the circuitry has become smaller and more advanced than the previous generation. Each generation of computer is characterized by a
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COMPUTER ROOM AND MANAGEMENT ETHICS 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
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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,
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Number Bases Number Bases – Binary Number System, Octal Number System, Denary Number System (Decimal) and Hexadecimal Number system.
HISTORY POST UTME PAST QUESTION BANK PRO (1) No Ads Display on Our Past Question Bank Pro (PQBP) (2) Get 2x more questions and answers (3) See all answers at the end of each question or/and examination (4) More questions and answers are added constantly (5) Use one membership level to access all Past Question
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DATA PROCESSING 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)
a) The contest at Mount Carmel (1 King 18:17 – 46). Carmel refers to the vineyard of the Lord. King Ahab brought trouble to Israel because of worshipping the idols of Baal. Elijah told Ahab that the problemsIsrael was facing were due to worship of Baal, The decision. Elijah requested king Ahab to call a
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Man and woman fell from the Garden of Eden. This experience is explained in genesis chapter 3 verse 4; chapter 6 verse 9 and chapter 11. In these verses, the Bible is teaching about sin, which made Adam and Eve fall. Sin is defined as iniquity, and guilt. It is to miss a mark,
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