Answer:
The answer to this question is the "schemas".
Explanation:
A schema is plural schemata or schemas that defines a pattern of logic or action that constitutes classifications of data and the connections among them. In a computer science schemas is an organized structure for a database and all the operation of data modeling leads by schema. So the answer to this question is schemas
Answer:
In studies about new medicines, researchers usually give one group of patients the medicine that is designed to treat an illness. They give another group of patients a placebo, which is taken the same way as the medicine but does not actually contain the ingredients of any medicine. Different medicines are tested in different experiments, but the placebos usually contain the same non-medical ingredients. If both groups of patients are healed, then researchers cannot be sure whether the medicine caused improvement, but if the group given the medicine is healed while the group given the placebo remains ill, researchers can conclude that the medicine causes the illness to go away.
In medical experiments, which group receives placebos?
the experimental group
the control group
both the experimental and control groups
neither the experimental nor control group
Explanation:
The operating system is the most basic program of a computer which needs other program in order to function and run.
Hope this helps !
Photon
