Which of the following statements concerning expert systems is false? a. the blackboard displays the recommendation. b. an expert system can explain its recommendation. c. the knowledge base contains rules. d. expert systems cannot learn from their own mistakes. e. the knowledge base contains facts?

Ayear in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: the year must be divisible by 4if the year is a century year (1700, 1800, the year must be evenly divisible by 400some example leap years are 1600, 1712, and 2016.write a program that takes in a year and determines whether that year is a leap year.ex: if the input is 1712, the output is: 1712 is a leap year.ex: if the input is 1913, the output is: 1913 is not a leap year.

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Which of the following has not been attributed at least in part to social media a. drug addiction b. depression c. kidnapping d. murder