NATURE OF DATA AND INFORMATION DISTINCTION BETWEEN DATA AND INFORMATION General Characteristics of Information SYSTEM THEORY SYSTEM ENVIRONMENT Information System Types Benefits Disadvantages Information Technology Type of Decisions DATA REPRESENTATION IN A COMPUTER External and Internal Data Representation Conversion of binary numbers to Decimal numbers HARD WARES Classification of Computers Comparison of Digital and Analog Computers COMPUTER HARDWARE STRUCTURE COMPUT...
1) When a little quantity of ethanol (b. pt 78 0C) was dissolved in large quantity of water (b.pt 100 0C) , the most likely boiling point of the mixture is between A. 89-90 0C B. 103-1070C C. 78-100 0C D. 80-96 0C 2) Chromatography is a method of separation based on A. the different speed of the components B. the ability of the components to react with each other C. the ability of the components to repel each other D. the absorption of the components into each other 3) A compound on analysis ...
1. Which of the following has a positive charge? (A) proton (B) neutron (C) anion (D) electron ANS = A 2. How many electrons are there in the valence shell of the O2– ion? A 2 B 8 C 10 D 16 ANS = B 3. What is the formula of the compound formed between magnesium and oxygen? A MgO B Mg2O2 C Mg2O3 D MgO2 ANS = A 3. Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost o...
1. The First Petroluem Company in Nigeria is_________ 2. Petroluem is made up of mainly _________ 3. General studies programmes were adopted by NUC in _________
1. The sample variance is obtained by 2. The curve that tails off to the left end is___________ 3. The difference between the largest and smallest observations in a data set is called:
1. Which of the following causes STDs? 2. Common processing techniques includes all except one 3. One of the following is not a method of obtaining information on medicinal plants
1. Ectoparasites live where? 2. Balanditiumcoli is a __________ 3. An example of an intracellular parasite is __________ 4. The job of a vector is to _________
- Is where different races and ethnic groups live together each maintaining its custom - The nation has a unitarian undertone
Elements and Periodicity Group (Gp) I Elements Group II Elements Group III Elements Aluminium and Beryllium Rel
Group Trends The Anomalous Nature of Nitrogen Occurance General Properties and Structures of the Elements Hydrides
Water-soluble vitamins Fat-soluble vitamins
Ecosystem Environmental Sustainability Causes of environmental unsustainability What is pollution Types of Pollution Degradation of Terrestial Ecosystems What is Deforestation? Causes of Deforestation Effects of Deforestation Desertification Causes of Desertification Global Warming Consequences of Global Warming Measures on Controlling Global Warming
INTRODUCTION Today, computers are all around us. We use them for doing various tasks in a faster and more accurate manner. For example, using a computer or smartphone, we can book train tickets online. India is a big country and we have an enormous railway network. Thus, railway reservation is a complex task. Making reservation involves information about many aspects, such as details of trains (train type, types of berth and compartments in each train, their schedule, etc.), simultaneous book...
About theTutorial Computer programming is the act of writing computer programs, which are a sequence of instructions written using a Computer Programming Language to perform a specified task by the computer. Computer Programming is fun and easy to learn provided you adopt a proper approach. This tutorial attempts to cover the basics of computer programming using a simple and practical approach for the benefit of novice learners. Audience This tutorial has been prepared for the beginners who ...
Carbohydrates Sources of Carbohydrates Structure of Carbohydrates Classification of Carbohydrates Importance of Carbohydrates Functions of Carbohydrates Carbohydrates Deficiency Diseases Protein Sources of Protein Structure of Protein Properties of Protein Functions of Protein Protein Deficiency Diseases Vitamins Classifications of Vitamins Minerals Kinds of Minerals Source and Functions of Minerals Mineral Deficiency Diseases