Choose the right answer from among the following statements. 1) According to the 80/20 rule, 80 percent of the instructions are performed and only 20 percent of the instructions are generated. 2) The...

Choose the right answer from among the following statements.

1) According to the 80/20 rule, 80 percent of the instructions are performed and only 20 percent of the instructions are generated.

2) The external bus in the von Neumann architecture is only for the purpose of data memory storage.