How do system clocks and bus clocks differ?
How do system clocks and bus clocks differ?
System Clock: A system clock or system timer is a constant pulse that helps to maintain the correct time on the machine clock. It holds the number of seconds after the epoch counted, and uses that knowledge to measure the current date and time.
The system clock's speed is only one aspect that affects the output of a computer. Other considerations, such as the processor chip type, cache quantity, memory access time, bus distance, and speed of the bus clock.
Bus Clock:
Every bus also has the speed of a clock. Manufacturers state the clock speed for a bus in Hertz, much like the CPU. Note that one megahertz (MHz) per second is equivalent to one million ticks. The bus clock speed of today's processors is typically 400, 533, 667, 800, 1066, 1333, or 1600 MHz’s The higher the speed of the bus clock, the quicker data transmission is, resulting in the faster running of programs.
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