多选题

What are the differenc...

Question

What are the differences between multiprocessing and multiprogramming ?（多选）

A. Multiprocessing utilizes multiple CPUs,<br>multiprogramming utilizes single CPU.

B. Multiprocessing is less<br>efficient than multiprogramming.

C. Multiprocessing is more expensive<br>than multiprogramming.

D. Multiprocessing refers to processing<br>of multiple processes at same time by multiple CPUs.Multiprogramming keeps several programs in main memory at the same time and execute them concurrently utilizing single CPU