Which statement is true about expert systems? A. Expert systems can produce results from sources beyond the knowledge base.
B. Expert systems can find patterns in data and generalize rules for other data.
C. Expert systems can infer the knowledge based on cause and effect.
D. Expert systems retain their knowledge base permanently.

Write a select statement that returns product name, customer first name, customer last name, channel description, and amount sold for all the sales. make sure to returns sales even if there is no information on the customer, product, or channe

Write code using c . (take input from user) calculate the size of a given file in kbs. in this task you will complete the function with the following prototype: float get_file_size(char * filename); the function takes the file name (address to the start of a null terminated character array) as input. the function should then open the file and find the number of bytes it contains till eof. the number of bytes divided by 1024 will give the size in kbs. if the file cannot be opened the function should return -1.

Create a word problem that involves calculating the volume and surface area of a three-dimensional object. cube: surface area 6 s2 , volume s3