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Question:
(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.
(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered necessary.
(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.
(d) Briefly describe the four factors that affect the performance of a monitor.
(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.
How many services are supported by internet? The firewall software assists at least Internet services: HTTP, FTP, Gopher, SMTP and Telnet. DNS name resolution, preferably th
Grounding a variable - first-order logic: The perform of making ourselves clear about a variable by introducing an exists or a forall sign is called quantifying the variable.
What is trivial file transfer protocol? Explain briefly? Trivial File Transfer Protocol (i.e. TFTP) is helpful for bootstrapping a hardware device which does not have a disk on
Write a program that input (from the user) the number of hours worked and hours pay rate for employees and output their total pay. The program should process an arbitrary number of
Error-correcting code memory (ECC memory) is a type of computer data storage that can notice and correct the more general kinds of internal data corruption. ECC memory is used in m
The combination of an IP address and a port number is known as a socket.
Problem: a) Authoring tools consist of two basic features. First, an authoring facility for creating and editing, and second, a presentation vehicle for delivery. The authorin
The void type is used for The void type is used to make generic pointers.
How congestion is controlled in TCP? One of the most significant aspects of TCP is a mechanism for congestion control. In main modern internets, extreme long delays or packet l
What is swimlane? In business model, it is often helpful to know which human organization is responsible for activity. Show the partition of activities into columns and lines.
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