Answer:
Generations of Computers Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system.
A disk optimization program, but they're probably looking for defragmenting program.
It should be, but sometimes it isn't. It depends on the website type you visit.
The answer is A, or Locating bottlenecks in a network.
