Operating System (OS)
The ability of an operating system to control the activities of multiple program at the same time is called

Multiprocessing
Multioperating
Multitasking
Multipaging

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Backups should be done

None of these
as several incrementals, followed by an image copy
daily for most installations
as several image copies, followed by an incremental
weekly for most installations

ANSWER DOWNLOAD EXAMIANS APP