Which of the following is an example of a real life queue?

A. A pile of dishes.
B. The list of calls put on hold to be answered by a telephone operator.
C. A bunch of marbles in a bag.
D. A group of coins, one on top of another.


Answer: B

Computer Science & Information Technology

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A(n) __________ is a sequence of links that can be traveled from one node to get to another node.

A. route B. linkerway C. level D. path

Computer Science & Information Technology

Answer the following statements true (T) or false (F)

1. Some instructions require more than a single machine cycle. 2. Computer scientists use the term layering to describe the interconnections that link a computer’s components. 3. Most mainframes are constructed around a motherboard, a metal framework that contains a series of slots for adding peripherals. 4. On a single-bus architecture computer system, all communication between components flows over a single bus. 5. Because the electronic signals controlling a keyboard, a display, a printer, and a disk drive are different, each peripheral device must have its own interface.

Computer Science & Information Technology

Case D-2Carolyn is a web designer who is responsible for the home page of a real estate company with branches in all 50 states. The home page should be attractive and functional, allowing potential sellers and buyers to find information quickly. Carolyn creates text in Microsoft Word to be used on a page. Should she spend time formatting and structuring the text in Word, and why?

A. Yes, because formatting the text in Word eliminates the need to do it in Dreamweaver B. Yes, because applying styles and aligning text in Word enhances the appearance of the text in Dreamweaver. C. No, because it is best to clean up the file after the text is imported into Dreamweaver. D. No, because Word and Dreamweaver are not compatible.

Computer Science & Information Technology

Which of the following transport layer protocol of the OSI reference model is a connection-oriented protocol that provides reliable transport between two communicating hosts?

A) Transmission Control Protocol (TCP) B) Transport Control Protocol (TCP) C) User datagram Protocol (UDP) D) Internetwork Packet Exchange (IPX)

Computer Science & Information Technology