What is an alternative to room keys for better security?

A waiting thread transitions back to the ________ state only when another thread notifies it to continue executing.

a. runnable b. terminated c. new d. blocked

An example of an instruction written in machine language would be ____.

A. sum = num1 + num2 B. 0000 0101 1100 0000 C. ADD bx, ax D. repeat 5 times