Operating System Introduction: Operating Systems Objectives and functions, Computer System Architecture, OS Structure, OS Operations, Evolution of Operating Systems - Simple Batch, Multi programmed, time shared, Personal Computer, Parallel, Distributed Systems, Real-Time Systems, Special - Purpose Systems, Operating System services, user OS Interface, System Calls, Types of System Calls, System Programs, Operating System Design and Implementation, OS Structure, Virtual machines

HIV-Human Immune Virus This is a virus that causes AIDS and is passed from person to person through body fluids, particularly blood, semen and breast milk .After a person has been infected, the virus starts breaking down their immune system .After sometime the immune system is so weak that they become susceptive to a variety of illness

Concurrent access to shared data may result in data inconsistency. Maintaining data consistency requires mechanisms to ensure the orderly execution of cooperating processes. Suppose that we wanted to provide a solution to the consumer-producer problem that fills all the buffers.

CPU is always busy in Multiprogramming. Because CPU switches from one job to another job. But in simple computers CPU sit idle until the I/O request granted. Scheduling is an important OS function. All resources are scheduled before use.(cpu, memory, devices…..) Process scheduling is an essential part of a Multiprogramming operating systems. Such operating systems allow more than one process to be loaded into the executable memory at a time and the loaded process shares the CPU using time multiplexing

Counseling is a professional relationship between two or more people, one of whom is a trained counselor, and the other(s), a person or persons undergoing therapy. The relationship is aimed at helping the counselee identify his/her own strength and use it to solve their problems. Counselling refers to the skilled and principled use of relationships (rapport) to facilitate self–knowledge, emotional acceptance, growth and the optimal (maximum) development of personal resource.

State the purposes served by clippers, clampers, and voltage multipliers. Describe the operation of series and shunt clippers. Describe the effects of negative and positive clampers on an input waveform. Describe the use of the LED in multisegment displays. Study simple diode logic circuits.

Digital technology pervades almost everything in our daily lives. For example, cell phones and other types of wireless communications, television, radio, process controls, automotive electronics, consumer electronics, aircraft navigation— to name only a few applications— depend heavily on digital electronics.

Microbiology is the study of small living organisms (things) that cannot be seen with our naked eyes but with a help of a Microscope e.g.: Viruses, Bacteria Fungi, Algae, Protozoans etc. Microorganisms are those living things that are too small to be seen with the naked eye

Parasitology is the science that deals with organisms living in the human body (the host) and the medical significance of this host-parasite relationship. A Parasite is a living organism, which takes its nourishment and other needs from a host; the host is an organism which supports the parasite.

Port sanitation is the work carried out by all designated port health authorities in the world towards the control of spread of quarantinable diseases. The essential aim is to ensure the maximum security against the international spread of the disease with the minimal interference with world traffic

Brief notes on calculus I which are upto date

This course covers key areas in syntax and morphology from a theoretical perspective. In syntax, two approaches have been adopted: the formal and the functional. Issues in morphology are handled within generative grammar. However, as an entry point into the course, we begin by asking some basic questions about the study of language. Some of them you have encountered before but they appear here for recapping purposes.

Comparative education is a discipline within the field of education. Its main purpose is to enlighten the teacher trainee on issues of educational systems in other countries with a view of broadening their perspective on educational problems and attempted solution.

Comparative education is a fully established academic field of study that examines education in one country (or group of countries) by using data and insights drawn from the practices and situation in another country, or countries. Programs and courses in comparative education are offered in many universities throughout the world, and relevant studies are regularly published in scholarly journals such as Comparative Education, International Review of Education, International Journal of Educational Development, and Comparative Education Review. The field of comparative education is supported by many projects associated with UNESCO and the national education ministries of various nations.

A liquid connective tissue that flows through blood vessels It forms part of ECF body fluids.

The digestive system consists group of organs working together to convert food into basic nutrients that provide energy for the entire body.

Mental is defined as of mind: while the mind is defined as the seat of consciousness, thought and feeling. Mental health therefore means a state of wellbeing of the mind - (Dictionary.com)Mental health: the successful adaptation to stressors from the internal or external environment, evidenced by thoughts, feelings, and behaviors that are age appropriate and congruent with local and cultural norms (Robinson, 1983)

Psychopharmacology refers to the use of drugs in managing psychiatric conditions – Schizophrenia – Depression – Mania – Anxiety

Meaning of law It’s a set rules or principles imposed against the citizens of the country by the state. It’s also a set of rules that govern the conduct of affairs in a given community at a given time. It’s also a body of principles required and applied by the state in the administration of justice. The purposes of laws 1. To promote social cohesion among the society;- each society or community has its laws which regulate the mutual relations and contacts of its members. The laws are enforced to ensure that members of the society may live or work together in an orderly and peaceful manner. 1. To regulate the behaviour/contact of persons. 2. To provide justice to the members of the society. 3. To maintain political and economical stability. 4. To protect fundamental rights and freedoms of the individuals. 5. To establish the procedures and regulations regarding the dealings among the individuals. 6. To maintain peace and the security in the country.

When at least two electrodes are dipped into an electrolyte and connected by an external electrical conductor, an electric current flows and chemical reactions occur in the half cells