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(a) What do you meant by an Expert System (ES) and explain briefly the essential differences between a Decision Support system and ES.
(b) What are decision tables and what are they used for? Provide suitable examples of limited and extended tables, as well as the use of the ELSE rule.
(c) You work for an IT call centre which responds to user queries relating to their PC. Currently a spate of computer virus's have infected PC's with the following characteristic:
If the user is getting an error message showing that the system will re-boot in N seconds and then the system actually does re-boot THEN the user must install an operating system update and obtain virus software to clean the virus.
In addition, IF the user cannot connect to the internet, as they get the "line busy" error, THEN they must re-install their ISP connection software as well.
Produce a limited entry decision table to model the above rules. You should then produce a second table, which removes any redundant vertical rules resulting in the same decision.
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why. In a interface class, all methods are abstract without execution w
Q. For function F(x,y,z) = ∑m (1,2,3,5,6) using TRUTH TABLE only 1. Find POS expression 2. Implement this simplified expression using two level OR-to-AND gate network 3. I
Q. Convert the following from octal to binary, decimal, hexadecimal and BCD. a) 7.7 b) 4037 c) 23.34
The conflict between too hot and too cold or too slow and too fast can be resolved using don't care states. Don't care states are used when i) the state of the output is not
The transport protocol used by TFTP (Trivial File Transfer Protocol) is? The transport protocol used through Trivial File Transfer Protocol is UDP.
what is meant by private copy constructor
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Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess bandwidth f
Describe the customer service and support in post purchase Interaction. Post purchase Interaction: The considerations at this step can be explained by the given example:
Q. What is Synchronous message passing? In Synchronous message passing is executed on synchronous communication network. In that case sender and receiver processes should be
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