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The loan office in a bank receives from various parties request to investigate the credit status of a customer. Each credit request is identified by the Request ID and is described by a Request Date and Requesting Party Name. The loan office also received results of credit checks. A credit check is indentified by a Credit Check ID and is described by the Credit Check Date and the Credit Rating. The loan office matches credit request with credit check results. A credit request may be recorded before its results arrive; a particular credit result may be used in support of several credit requests. Draw an ERD for this situation. Now, assume that credit results may not be reused for multiple credit requests. Redraw the ERD for this new situation using two entity types, and the redraw it again using one entity type. Which of these two versions do you prefer and why?
The OSI model was designed to provide a framework for networking and internetworking standards. Which of the following are advantages of the OSI model? There are 4 correct answers.
Draw a class diagram representing a book defined by the following statement. "A book is composed of a number of parts, which in turn are composed of a number of chapters.
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?
Describe the same task using intelligent software agents
Consider the following circuit, which detects even parity. There are one output, even, and three inputs, a(2), a(l) and a(0), which are grouped as a vector or bus. The output is asserted when there are even numbers (i.e., 0 or 2) of 1s from the in..
Because information systems are able to store and compile a large amount of data, many people worry that, their private data will end up in the wrong hands. Explain your position.
Leather-goods factory manufactures ?ve styles of handbags, whose variable contributions are $30, $40, $45, $25, and $60 per dozen, respectively.
Transform the query into a query on fragments.
The lead investigator gives you these graphics files and tells you that at least four messages should be embedded in them. Use your problem solving and brainstorming skills to determine a procedure to follow.
Explain the difference between form and report
The binary sequence s = 111111111000000111111111111111100001 = 1^9,0^6,1^16,0^4,1 was generated by a stationary two-state Markov chain with transition probabilities p1|0 = 2p0|1 = 0.2. a Shannon-Fano-Elias code or an arithmetic code for 3-bit symb..
An MSP430-based system interfaces 4 external devices (ED0, ED1, ED2, ED3), each capable of generating an interrupt request.
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