Which of the following best describes an operator?

Programs are often referred to as hardware.

  Which of the following is not one of the major components of a computer system?

The CPU is the most important component in a computer because without it, the computer could not run software.

  The two parts of the CPU are

  Without this statement appearing in a switch construct, the program “falls through” all of the statements below the one with the matching case expression.

  The purpose of a memory address is:

In C++11, the nullptr keyword was introduced to represent the address 0.

  Which of the following is a valid C++ array definition?

In the following statement, what does int mean?int *ptr = nullptr;