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ABC was launched as a retail dive shop with 10 employees in Turkey by Mr Beans. As a small business owner, Beans wanted to offer the e-commerce capabilities of a large firm using a small company's budget. Within a year, he had installed an Ethernet LAN to connect three PCs, each of which served as a point-of-sale cash register and terminal. These PCs link to a Microsoft Access database where the firm's product catalogue and order information are stored. The PCs are also connected to a credit card verification system operated by their merchant bank.ABC has also established a website with the goals of displaying and selling the company's products, providing diving news and information, and bringing together members of the diving community.ABC has three laptops that its employees use to access the Internet and update the website.a) Suggest the network topology and communication medium that is most likely to be used in ABC's LAN. Explain your view. b) Identify the hardware devices, networking devices and telecommunications services you may expect to find on ABC's local area network. Briefly describe the purpose of each component you identify. c) Would you recommend that ABC install a wireless network? Why or why not? d) Describe two business-to-consumer e-commerce applications which could be supported by ABC's website.
Write an EBNF rule that describes the while statement of C++. Write the recursive-descent subprogram in C++ for this rule.
Write a program to find the number of comparisons using the binary search and sequential search algorithms as follows:Suppose list is an array of 1000 elements.
Elmwood College Situation: The school is considering a new system that will speed up the registration process. As a systems analyst, you are asked to develop a plan for fact-finding.
As an application tester, I want to press the manual park button and the application accurately records the location of the intended vehicle. The ratio of successes to failures will be recorded to report to the development team.
First do the register mapping and then any possible instruction reordering. How many machine registers are used? Has there been any pipeline improvement?
A user complains to you that her system hangs for no known reason. After asking her a few questions, you do identify these symptoms: The system hangs after about 15-20 minutes of operation.
How would you have compiler assign 14 subcomputations to 15 cores? Describe briefly. (Symmetry means there is no unique answer).
Implement and run the Skippy algorithm on a disk
Estimate the mean and variance of the number of times you have to roll 2 dice until the total exceeds 100.
the 36 bit computer uses the 28 bit mantissa and the 8 bit exponent. what is the number of significant decimal digits and what is the range of real numbers for this machine?
Given the business rule "an employee may have many degrees," discuss its effect on attributes, entities, and relationships.
Question1 : One large modern computer has a 48-bit memory address register. How much memory can this computer address? Question 2 : What is the function of registers in the fetch-execute instruction cycle? What is the purpose of the instruction regi..
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