COGNITIVE ASSESSMENT
Which of the following offers an alternative to infrared communications with high bandwidth transmissions?

What Processor Counter refers tells you the number of threads that are waiting to be executed by the processor?

A. System: Processor Queue Length B. Processor: % Privileged Time C. Processor: % Processor Time D. Processor: % User Time

Suppose A is an interface, B is a concrete class with a no-arg constructor that implements A. Which of the following is correct?

a. A a = new A(); b. A a = new B(); c. B b = new A(); d. B b = new B();