Answer: D. He did not create a back up of his data.
Explanation: He lost his data, so he did not back it up in case he lost his laptop.
Answer:
Adware
Explanation:
It's software that displays advertisements to users and gauges their preferences
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 answer is d. full-duplex transmission. This communication setup allows for simultaneous transmit and receive for both parties. As signals are able to be transmitted at the same time two way for both parties, for both directions along the same data carrier medium.
