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Assume that an automotive company produces 2 000 000 electronic engine controllers of a special type. The following design alternatives are discussed:
(i) Construct the engine control unit as a single SRU with the application software in Read Only Memory (ROM).The production cost of such a unit is 250 $. In case of an error, the complete unit has to be replaced.
(ii) Construct the engine control unit such that the software is contained in a ROM that is placed on a socket and can be replaced in case of a software error. The production cost of the unit without the ROM is 248 $. The cost of the ROM is 5$.
(iii) Construct the engine control unit as a single SRU where the software is loaded in a Flash EPROM that can be reloaded. The production cost of such a unit is 255 $. The labor cost of repair is assumed to be 50 $ for each vehicle. (It is assumed to be the same for each one of the three alternatives). Calculate the cost of a software error for each one of the three alternative designs if 300 000 cars have to be recalled because of the software error (example in Section 1.6.1). Which one is the lowest cost alternative if only 1 000 cars are affected by a recall?
A bitwise operation 'f' has an interesting characteristic, such that, if f(a,b) = c, it always turns out to be the case that f(b,a) = c; f(a,c) = b; f(c,a) = b; f(b,c) = a; f(c,b) = a.
Is ODC adaptable to your development environment? If yes, list your defect attributes and attribute values. If not, justify yourself.
Look up your site both by DNS name and by IP network number; for the latter you may have to try an alternative who is server (e.g., who is -h whois.arin.net...). Try princeton.edu and cisco.com as well.
What are the characteristics of a good training room? How does the facility affect the training or does it?
Create a set of use cases for a university library borrowing system. (Do not worry about catalogue searching, etc.) The system will record the books owned by the library and will record who has borrowed what books.
a. Find the angular speed of the wheels in radians per minute. b. Find the number of revolutions the wheel will make per minute.
Thirty minutes later, the subjects were asked to recall where they put each of the objects. For each object, a recall variable was measured as ‘‘yes'' or ‘‘no.''
Explain Perl. When do you use Perl for programming? What are the advantages of programming in Perl?
Write an Algorithm to decide which is cheaper car or bus for a travel:
In the context of Internet content that some countries prohibit, discuss how the "responsibility to prevent access" differs from the "authority to prevent entry". Include examples.
Rewrite the insertion algorithm to use this observation. Do this by having findPos maintain, with an additional variable, the location of the ?rst inactive cell it encounters.
Write on the areas of "Does computer system protect patient's privacy medical record?"
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