online systems
systems where the input data enter the computer directly from the point of origin (usually a terminal or workstation) and/or in which output data are transmitted directly to that terminal point of origin.
Dictionary > Online systems
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Freshwater Communities & Lentic Waters
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
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Animal Growth Hormones
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
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Freshwater Community Energy Relationships – Producers & Consumers
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
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Darwin and Natural Selection
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
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New Zealand’s Unique Flora
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..
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Chromosome Mutations
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..