Let the instructions of a processor with clock rate of 4GHz…

Let the instructions of a processor with clock rate of 4GHz be divided into four classes A, B, C, and D with CPIs 1, 1.5, 2, and 2.5 respectively. In a given program the dynamic instruction count is 1.0E9 and instructions are divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D.  a. (5 points) How long does it take for the processor to execute the given program? b. (5 points) Find the global CPI of the processor.

Which of the following descriptions of a subatomic particle…

Which of the following descriptions of a subatomic particle is correct? A) A proton has a positive charge and a mass of approximately 1 amu. B) An electron has a negative charge and a mass of approximately 1 amu. C) A neutron has no charge and its mass is negligible. D) A proton has a positive charge and a negligible mass. E) A neutron has a positive charge and a mass of approximately 1 amu