Coordinated Universal Time (French: temps universel coordonne), coordonnÃ© abbreviated AS, utc is the primary time standard by which the world regulates clocks and. Time it, is within about 1, second mean solar time atÂ° 0; longitude it does not observe daylight saving. time
Nope it would be single user operating system because at any time it would be providing service to a single user. It doesn't matter that the current user is different from the last user as it is essentially serving one user at a time. Multiuser operating systems allocates system resources to multiple concurrent users with memory protection mechanism using paging or segmentation. Views Â· View Upvotes.
Multiprocessing - A computer using more than one CPU at a time Multiprogramming - More than one task/program/job/process can reside into the main memory at one point of time. This ability of the OS is called multiprogramming.