The ____ constant returns the value for PI (the constant ratio between a circle and its diameter).

A DDR3 module transfers data at a clock rate of __________ Mbps.

A. 600 to 1200 B. 800 to 2133 C. 1000 to 2000 D. 1500 to 3000

A __________ is the program that translates a program written in C++ into machine language.

Fill in the blank(s) with the appropriate word(s).