need fast

for the next step in 18. At the end of each CPU execution cycle, the control unit checks the the program. a. instruction pointer c. PSW register b. interrupt register d. RAM 19. Present day processors such as the Core i7 series have registers that can hold: a. 128 bits c. 64 bits e. unlimited number of bytes b. 64 bytes d. 512 byte blocks 0. The is a measure of data communication speed of storage devices in bytes per seconds. a. bus protocol c. CPU clock cycle time b. data transfer rate d. word size