To put it into simple terms, software is always a continuous
process of coding and updating, thus, you will never code and be done. Professional
software not only consists of programs that are developed for a client, but
also the compilation of documentation, configuration of data, support websites,
requirements, design manuals, and evolution to make these programs operational
and complete.
A professionally done software system consists of more than one
program and configuration files used to set up these programs.
Answer:
The following are the answer to the given points:
Explanation:
In point (a):
Calculating the long-distance call cost:

Calculating the local call cost:

Calculating the overall cost of PSTN:

In point (b):
Calculating the call rate per second and the average arrival rate:

The call average length:
The complete agent number:

The strength of traffic:
The occupancy of the agent:

Calculation of obtained:

We get = 0.329 to substitute values.
In point (c):
The rate of blocking = 
average call time 

In point (d):
Calculating the number of link, which is required:
In point (e):
Calculating the Line Number:
PSTN line number:

In point (f):
The gross design expense = $ 2309. 5
Answer:
rocket league
Explanation: cars and balls
Answer:
Pruning or remodeling
Explanation:
The brain is the major control system of animals. It acts just like the processor in a computer system. Brain development starts before childbirth and progresses to adulthood.
During the first few year of life, the neural and synapse connection multiply by millions, when the brain is mature enough, the brain begins to cut off connections of synapses, neurons and axons that are not used through the process called pruning or remodeling, which is very vital for brain development.
Check below your score it should say something out of 5 you need to get more to get 5/5