Why do we use networks?
What will be an ideal response?
Some people might use the words "efficiency" or "necessity" in answering the question "Why do we use networks?" Realistically, the question could be answered in one word: convenience. As people have grown more dependent on technology, their need for networked devices has increased. People expect interoperability from electronic devices.
Computer networks allow for the transfer of files, data, and even shared applications without copying anything to floppy disk. In addition, networks allow computers to share items such as printers, scanners, fax machines, processors, disk drives, and other resources.
Networked computers can share data and peripherals. Without a network, people have to find other methods for transferring data between computers. These methods include copying the data to a flash drive or another type of storage medium, and physically moving that data to another system-a method called "sneakernet," because shoes provide the transport medium between computers.
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According to the accompanying figure, the stuID values must follow the rules of what data type?
A. degreeType B. siType C. simple D. string
As a second example, consider the communication paradigm referred to as queued RPC, as introduced in Rover [Joseph et al. 1997]. Rover is a toolkit to support distributed systems programming in mobile environments where participants in communication may become disconnected for periods of time. The system offers the RPC paradigm and hence calls are directed towards a given server (clearly space-coupled). The calls, though, are routed through an intermediary, a queue at the sending side, and are maintained in the queue until the receiver is available. To what extent is this time-uncoupled? Hint: consider the almost philosophical question of whether a recipient that is temporarily unavailable exists at that point in time.
What will be an ideal response?
The Microsoft Office Clipboard can hold up to ________ items
A) 12 B) 24 C) 100 D) 50
The Handout Master has four large placeholders to represent slides and six small placeholders for footer information.
Answer the following statement true (T) or false (F)