The answer is the second answer Increasing the size of the wire.
Sounds like you are talking about Grid computing. You can also say cloud computing since that is the buzz words nowadays, but cloud computing is a very general statement.
Answer:
Computer programming is important today because so much of our world is automated. Humans need to be able to control the interaction between people and machines. Since computers and machines are able to do things so efficiently and accurately, we use computer programming to harness that computing power.
Answer:
It's simply a software that runs a computer's basic tasks, or functions, such as scheduling, running applications, and controlling peripherals.