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GlobalFon is an international communication company, which offers international prepaid calling cards. They introduced three different types of cards, (1) AsiaFon: is cheapest for calling all over Asia. (2) EuroFon: offers economical rates for all over Europe and UK. AmericanoFon: offers very attractive rates for USA and Canada. Every card has attributes for activation (True/False), activation date, time remaining, and no. of call made. The card is available in domination of $5, $10 and $20. Assuming there are serial numbers on card for keep track of production system, and a 14-digit code for activating the card. The validity for card after activation is 45 days. AsiaFon; offers 25cent per minutes. EuroFon charges 16 cents per min. AmercanoFon charges 12 cents per min. The billing least count is min. The company wants object oriented software to handle the service of international calling. You are only required to developed classes for processing cards with basic functionality.
Name the appliances which are controlled by micro-processor Many household appliances which are microprocessor-controlled do not have operating systems (for example microwave o
Pass I of the assembler must also generate the intermediate code for the processed statements. Justify your answer. Criteria for selection of a suitable intermediate code form
Explain about the Biometrics This includes obtaining data and identifying characteristics automatically in security systems e.g. use of palm prints, finger prints, facial ima
If two base classes have no overlapping methods or data they are said to be independent of, or orthogonal to each other. Orthogonal in the sense means that two classes function in
Effect of IS on Humans - Information System We have concentrated in this chapter on the ways that IS has evolved making it more useful and more user-friendly. This proliferat
What is a disk drive? The electro mechanical mechanism that spins the disk and moves the read/write heads known as disk drive.
Add 648 and 487 in BCD code. Ans. In BCD Code, addition of 648 and 487: 6 4 8 = 0 1 1 0 0 1 0 0 1 0 0 0 4 8 7 = 0 1 0 0 1 0 0 0 0 1 1 1 ---------------------
How can you show only selected records with a form? There are dissimilar ways in which you can limit the records that you will see with a form, you can: Open a form and app
Use of Hypertext links in Internet access From the user's point of view, the Web having of a vast, worldwide collection of documents i.e. pages. Every page may have links (poin
What is a sparse matrix? Sparse Matrix A matrix in which number of zero entries is much higher than the number of non-zero entries is known as sparse matrix. The natural me
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