Answer:
The correct option is (b) multiprogramming systems
The best I can explain: In a time sharing system, each user needs to get a share of the.... at regular intervals.
Explanation:
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- The subnet mask would be a 32-bit integer which is formed by assigning the host bits to all 0's and the networking bits to so many 1's.
- In this method, the subnetting separates the IP address between host and network addresses.
- The subnet mask covers an IP address with its 32-bit number, thus the term "mask".
Given:
Network IP address
Subnet numbers
Calculating the borrow bits:

a)
Calculating the dotted decimal value for the subnet mask:

b)
The additional bits which will be needed to mask the subnet mask that is = 4.
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Answer:
You must attach the database files
Explanation:
The UAC is on by default. So, you don't need to turn it on unless someone else turned it off.
The UAC has four modes.
The lowest mode is the off position. If the UAC is off, no UAC prompt will pop up when doing administrative tasks.