A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes.
I guess the answer in the blank is processes.
Activities called processes involve the microprocessor receiving commands as software carries out tasks and while input arrives from the keyboard, mouse, and other devices.
Answer:B) Archives/backups
Explanation: Archive is the group of records of data that are saved for the future use.These are the historic data that is not currently used in the actual location .
Backup is the the the copy of the group of data that is not in the original form to be used in future. Thus the correct option is option(B).
Updating of the plans by the technician cannot be done through other given options because they don't hold the historic records of the data for the renewing of the plans.