A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
Answer:
B
Explanation:
An authentication server server tracks who is logging on to the network as well as which services on the network are available to each user. It also does the job of providing a network service that applications can use to authenticate the credentials, that are oftentimes account names and passwords, of their users. Authentication server is also used as the basis for authorization.
Answer:
Administrator
Explanation:
Such permission to bypass the security of a computer to access it is being given to only the administrator. No other user is allowed to have such privileges. And there is only one administrator in a team, and this is the standard as only then the security of a network of computers, and a particular computer can be ensured. And the correct answer to this question is certainly the Administrator.
Answer:
The replacement of traditional mainframe and minicomputers is a prime example of technological paradigm shift.
Explanation:
As the change of traditional mainframe and minicomputers to personal computers is due to the technological advancements, which led to creation of client server networks. This paradigm shift is the technological shift as the main reason for the shift is due to the technical advancement and enhancement.
