Generations of Computer

First Generation Computers (l940 – 1956)Technology usedVacuum tubes were used in the 1st generation computers.Problems arising from the use of computers Vacuum tubesVacuum tube, generated so much heat that they had to be cooled by air conditioner. Vacuum tubes exhausted fairly often and it absolutely was tough to repair and maintain the computers of initial generation. Features/characteristics of first generation computersThe following … Read more

Thermochemistry and Thermodynamics

Thermodynamics: The branch of science that deals with the study of transformation of warmth from a region of high temp to a vicinity of low temp in called thermodynamics. 1st Law of natural philosophy (Law of Conservation of Energy): This law states that energy can neither be created nor destroyed, however it can be converted … Read more

Biodiversity of Pakistan

Biodiversity: The term “biodiversity” has been derived from ‘bio’ and ‘diversity’.  Biodiversity is a measure of the variety of organisms present in different ecosystems or earth surface. Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes … Read more

Biology Terms

Gaseous Exchanges Alveolar duct: Fine tubules at the end of bronchioles; open into alveoli. Alveolus: A sac-like structure present next to the alveolar duct in lungs. Asthma: An inflammation of the bronchi that causes swelling and narrowing of the airways. Breathing: The process through which animals take air in their bodies to get oxygen and then give out … Read more

Glossary of Biology

A Abiotic: The non-living components of the environment like water, sunlight, soil, heat etc. Acid rain: The rain containing sulphuric acid and nitric acid; with pH range of 3 to 6 Acromegaly: Abnormal growth due to excessive production of growth hormone after growing age; the internal organs and body extremities alone grow large and affected persons have large … Read more

Binomial nomenclature

The process of assigning of scientific names to plants is known as nomenclature. Name is the most important way for identification of plants. Our choice of names for individual imbibes a great influence on language, religion, culture and tradition. Thus, there is a need of an internationally accepted terminology and names in Botanic study so … Read more

Bentham and Hooker’s System of Classification

Bentham and Hooker’s System of Classification George Bentham and Sir Joseph Dalton Hooker developed a system of classification. They published thier work in Latin, which was entitled “Genera Plantarum”.This system of classification is a natural non-phylogenetic system which is a slight modification of de-Condolle’s system of classification.In this system, the flowering plants are divided on … Read more

Difference Between Living And Non-Living Things

RINGER FORMULA (DISTIGUISH BETWEEN LIVING AND NON-LIVING) Commonly we do not have a clear idea how to separate a living from nonliving. Keep in mind that living and nonliving are the two sets of items that are present in this universe. The third and least considered group of objects is the materials that show characters … Read more

Corona Virus

Corona is a group of viruses that causes various diseases in mammals including human beings.  It is a large family of viruses that not only results in common cold but also results in severe respiratory disorders. Nowadays China is at greater risk of this virus and is spreading day to day. Lot of people infected … Read more

William Shakespeare Biography

William Shakespeare: A multi-dimensional writer William Shakespeare was an excellent English dramatist, writer and writer who lived throughout the late sixteenth and early seventeenth centuries. Shakespeare is taken into account to be the best dramatist of all time. No different writer’s plays are created such a big amount of times or read thus wide in … Read more

error: Content is protected !!