In terms of the OSI model, explain why a user who knows nothing about all the parts of a network is still able to use a network. Give at least one example of how such a user may use a network.

What will be an ideal response?


A user does not need to know anything about a network to use it. All the user needs to know is how to use an application that ties into software at the top of the OSI layers—the Application layer (Layer 7). For instance, a user only needs to know how to use a Web browser such as Internet Explorer or Mozilla Firefox in order to browse and view Web pages. Similarly, a user can use a program such as Microsoft Outlook to send and retrieve e-mail messages.

Computer Science & Information Technology

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Data values passed a method when it is called are known as ____________.

a. references b. variables c. arguments d. parameters

Computer Science & Information Technology

Suppose circle1 and circle2 are two Circle objects. What does the following statement do?

circle2 = circle1; a. It copies the contents of circle1 to circle2. b. This statement is illegal. c. It makes circle2 and circle1 the same object. d. It copies the contents of circle2 to circle1.

Computer Science & Information Technology

__________ are used to document a program and improve its readability.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The step in preparing a hard drive that assigns drive letters to the hard drive is known as _______

Fill in the blank(s) with correct word

Computer Science & Information Technology