Ratio analysis is among the most popular and widely used tools of financial analysis. A ratio expresses a mathematical relation between two quantities. While computation of a ratio is easy, its interpretation is more complex.

Accounting records are key sources of information and evidence used to prepare, verify and/or audit the financial statements. They also include documentation to prove asset ownership for creation of liabilities and proof of monetary and non monetary transactions. Examples of accounting records are Ledgers, Journals, Bank statements, Contracts and agreements, Verification statements, Transportation receipts, Invoices and Vouchers.

A computer network is a connection of two or more computers using transmission media that can either be wired or wireless with a major purpose of sharing resources.

Development studies is an interdisciplinary branch of social science. It has grown in popularity as a subject of study since the early 1990s, and has been most widely taught and researched in the third world and in countries with a colonial history, such as the UK, where development studies originated.

In this lesson we will learn about stress, various types of stress, causes of stress, stress hormones and the stress management techniques.

TQM is defined as both philosophy and a set of guiding principles that represent the foundation of continuously improving organisation. It is the application of quantitative methods and human resources to improve all the process within the organisation and exceed customer needs now and in the future.

Behaviour Change at the Work Place through Motivation Motivation is defined as the process that initiates, guides and maintains goal-oriented behaviors. Motivation is what causes us to act, whether it is getting a glass of water to reduce thirst or reading a book to gain knowledge. It involves the biological, emotional, social and cognitive forces that activate behavior. In everyday usage, the term motivation is frequently used to describe why a person does something. For example, you might say that a student is so motivated to do well in a master’s program that she spends every night studying.

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Healthcare data management is the process of storing, protecting, and analyzing data pulled from diverse sources. Managing the wealth of available healthcare data allows health systems to create holistic views of patients, personalize treatments, improve communication, and enhance health outcomes.

Environmental education is one of the most effective tools used in solving environmental problems. Other tools include; environmental law, training of environmental manager, like environmentally sensitive community workers, engineers, economists, foresters, game wardens, and policy matters.

Viruses are complexes consisting of protein and an RNA or DNA genome.

C language was created by Dennis Ritchie at Bell Telephone Laboratories in 1972. It was designed to develop Unix operating systems. The C language is so named because post cedes B language developed by Ken Thompson in the same place (Bell Labs).

Information technology is an all-embracing term referring to the storage, processing or transferring of information using electronic means. The term I.T has more recently been upgraded to become I.C.T, to include the word Communication. I.C.T therefore, is the technology required for information processing, in particular, the use of electronic computers, communication devices and software applications to convert, store, protect, process transmit and retrieve information from anywhere, anytime.

A computer is an information-processing machine. It may also be defined as a device that works under the control of stored programs automatically accepting, storing and processing data to produce information that is the result of that processing.

Law: The term refers to a set enforceable commands based on legislative authority and authorized to be carried out by the executive, including the administrative branches of government such as health department.

The terms 'business', 'commercial' and 'mercantile' are synonymous. Commercial Law is a branch of General Law. It relates to industry, trade and commerce. It includes law relating to contracts, sale of goods, partnerships, negotiable instruments, companies, co-operative societies etc. Before we analyze all these concepts, it is important for us to try and understand law in general. We need to know what law is and why it is important for one to study it.

A program is a set of instructions given to a computer to enable it perform or accomplish a specific task. Computer hardware is only as effective as the instructions given to it by the end users and those instructions are contained in software.

Ethics: it is a set of moral principles that govern personal behaviors or even conduct of some activity in a recognized institution i.e. in fields such as Business, medical, society and education.

This booklet Complies with the revised syllabus july 2015 &the new Kenya Constitution 2010.

Leveling is the process of height determination. It finds application in all stages of engineering survey, from topographical mapping to setting out. Through leveling, the heights of points above the mean sea level (elevations) are determined and hence parameters such as gradient or slope could be computed. In order to execute leveling, an optical or digital level is required to be used in conjunction with a tripod and a leveling staff.