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Question 1:
a) The aim of a computer network is to increase efficiency and reduce costs. Describe how networks achieve the above.
b) Explain briefly how the bus topology operates. Support your answer with appropriate diagrams.
c) Briefly describe the following terms associated with networking :
a) Server b) Client c) Protocol d) Media
Question 2:
a) Apart from computer viruses, briefly explain THREE other security problems that can emanate from the Internet.
b) Differentiate between a static and a a dynamic web site.
c) What are the differences between electronic mail and paper mail ? How do these affect the modern office?
Describe about the Layered computer design Introduction Layered computer design focuses on computer design. It uses top-down, layered approach to design and also to improve
Throughput of a system is? Ans. "Throughput" of a system is no. of programs processed by this per unit time.
Blue Sky events is an organisation that devices and runs large outdoor events. They have been commissioned to organise and run an event for four months over the summer period in a
Q. Explain Cache Organisation? Cache memories are found in nearly all latest computers. They are very helpful for increasing speed of access of information from memory. Let's
Hardware interrupts: Hardware interrupts -from I/O devices, processor, memory Software interrupts-produced by a program. Direct Memory Access (DMA) Interrupt or Poll
Stack overflow causes (A) Hardware interrupt. (B) External interrupt. (C) Internal interrupt. (D) Software interrupt. Stack overflow occurs whereas execution
Elaborate the memory devices - Semiconductor memory All of the memory used as main store in a modern computer is applied as semiconductors fabricated on wafers of silicon. Sem
system area
Discuss the various functions of telephone switching systems. Telephone switching system's functions are as follows: (i) Attending: The system should be continually monito
Perl is an interpreted language (not compiled, like Java) which is ideally suited for CGI programming. It has its roots in UNIX system administration and offers various features li
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