What are some of the tasks for which a network operating system is responsible?
What will be an ideal response?
ANSWER: A network operating system is typically responsible for the following:
* Managing data and other resources for a number of clients
* Ensuring that only authorized users access the network
* Controlling which types of files a user can open and read
* Restricting when and from where users can access the network
* Dictating which rules computers will use to communicate
* In some situations, supplying applications and data files to clients
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Match the following terms to their meanings:
I. binary system II. transistor III. bit IV. amplitude V. pixel A. strength of signal B. each zero or one C. consists of two digits - 0s and 1s D. tiny electrical switches made of solid crystals E. each small element of a picture
The second expression appearing in the header of a for loop is the _____________, which is a Boolean expression that determines whether the loop will repeat.
a. test expression b. update expression c. initialization expression d. control expression