Stages of System Development Cycle Preliminary stage Feasibility stage Analysis Accuracy Readability Maintenance Generality. Description of System Development Cycle Conceptual planning: This phase is the step one of any system’s life cycle. It is during this phase that you need to acquire or significantly enhance a system and identify its ability and cost, risks and
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Mass and Volume Mass is the amount of ‘stuff’ inside an object; the more stuff there is, the more mass. Matter is made up of atoms and molecules, and the more of them we have, the greater the mass of an object is. We measure mass in units like kilograms, ounces, and pounds. In science,
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Electrical Energy Electrical energy is the work done when a quantity of charge moves between two points of potential differences measured in joules. Work done = Quantity of charge x p.d V =w/Q W = QV……………………………………(i) W = Work done, Q = Quantity of charge, V = p.d. across the terminals and we already know
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Introduction Bases are substances that, in aqueous solution, are slippery to the touch, taste bitter, change the colour of indicators (e.g., turn red litmus paper blue), react with acids to form salts, and promote certain chemical reactions (base catalysis). Bases are usually metallic oxides or metallic hydroxides. Bases that are soluble in water are called alkalis.
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Introduction Growth of micro-organisms, like all living things, do increase in size and multiply in number of cells using either the culture medium provided or any suitable surface such as moist bread as source of food. Micro-organisms can also increase in mass. Such an increase in size, mass or number of cells is regarded as
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Topic: Constitutional Development In Nigeria – Post Independence Constitutions The Independence Constitution. The 1957 conference that was held was to review the past constitution and make amends on the faults in the constitution. The following decisions were reached: It was agreed that the house of senate would be made up of eight members from each
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Topic: ABUSE OF THE INTERNET Internet abuse refers to improper use of the internet and may include: Computer Crime – or cybercrime, is any crime that involves a computer and a network. Use of computers for criminal activity. Cyber-bullying – Use of the internet to bully and intimidate. The use of information technology to repeatedly harm or harass other people
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Topic: 4×100 Meter Relay For Men at Olympics Content 4×100 meter Relay for Men at Olympics The 4×100 meter relay event is also known as the sprint relay event. It is a track event held on the 400 meter running track. During the race, the track is divided into four legs, each of 100 meter length.
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Introduction Bank Reconciliation statement is prepared by the accountant when the cash book bank statement doesn’t match with the Pass Book. This is done with the intention of knowing the cause of the difference. Usually all firms open current Bank Account as there are so many transaction to record in the bank column of the
Volume of a cone = 1/3 ×πr2h This is the formula for the volume of all cones. RECTANGULAR BASED PYRAMID A pyramid is a solid whose base is a polygon and has a common point or vertex. A pyramid is named according to its base, evidently the pyramid in question here has a rectangular base.
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