For each clock cycle. The phrase "the CPU does four instructions per clock" means that four machine instructions have been executed within one cycle of the CPU clock, the master clock that ...

At the heart of all computers is a clock, a dedicated timepiece ensuring that all of the parts of the computer are synchronized and can work together to execute the instructions that the computer ...

If your company's computer clocks aren't in sync, forensics, backups, and much more can suffer. Simson Garfinkel on getting the time right. Is the clock on every computer system in your organization ...