Some of the characteristics of the system clock are as follows:

★ The system clock is used to produce a specific pulse at a fixed rate of time.

★ The machine cycle of a system can be completed in a single or multiple clock pulses.

★ A single program instruction could be multiple instructions for the cpu.

★ Any central processing unit has a predefined set of instructions also known as the instruction set. These are the instructions that it can process and understand.

★ The clock speeds are nowadays measures in Ghz. 1ghz = 1000 mhz.