Answer: Queuing systems
Explanation:
We have the queuing theory which gives us the in depth knowledge of queuing systems which helps us to predict the queue length and the waiting time at the respective nodes in an network. A group of queuing systems together constitute the queuing network. The queuing theory helps to cope with the demand of various services in an queuing network composed of queuing systems.
Answer:
You could just use a code library.
Explanation:
Go to a blank cell and type
=AVERAGE(A1:A10) then <ENTER>
As if by magic, the average of those cells
will appear where you typed the formula.
B, Parallel ports are faster than serial ports.
A parallel port can move a set of 8 bits at a time on eight different wires, it uses a 25 pin connector, called a DB-25 connector, whereas a serial port only has a DB-9 connector.