What are the required components of an expert system?
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• An inference engine—a mechanism for selecting the relevant facts and for reasoning from them in a logical way
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What is the purpose of the content property?
a. to generate content that is added to the web page document b. to configure the text size of the entire web page document c. to display a pop-up window d. to configure mobile display only
What is sent to screen when the following is executed, assuming that these lines of code are embedded in a correct, complete program? Explain this behavior.
``` cout << "*" << setw(3) << 123456 << "*" << endl; ```
State whether or not each of the following statements could be an integrity constraint of a checking account database for a banking application. Give reasons for your answers.
a. The value stored in the balance column of an account is greater than or equal to $0. b. The value stored in the balance column of an account is greater than it was last week at this time. c. The value stored in the balance column of an account is $128.32. d. The value stored in the balance column of an account is a decimal number with two digits following the decimal point. e. The social_security_number column of an account is de?ned and contains a nine-digit number. f. The value stored in the check_credit_in_use column of an account is less than or equal to the value stored in the total_approved_check_credit column. (These columns have their obvious meanings.)
To remove a field from view, ________ the field heading and click Hide Fields
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