What purpose does a CPU serve?

The CPU (Central Processing Unit) is the part of a computer system that is commonly referred to as the "brains" of a computer. Without a CPU, your computer will not turn on. The CPU is responsible for executing a sequence of stored instructions called a program. read more

The CPU performs a task one by one, so the more tasks a CPU can do in a given frame of second, say one second, the more powerful the CPU likely is. For example, if a CPU can perform at 3.9 gigahertz, this means the CPU can calculate 3.9 billion tasks in only one second. read more

A CPU has two primary tasks: processing data and executing instructions. The processor contains a quartz clock that sends out tiny pulses of electricity at regular intervals. Each time the clock ticks, the CPU can process one piece of data or execute one instruction. read more

The purpose of a CPU is almost the same as a human brain, a CPU does the command to tell the other computer parts on what to do or what is their given task to be done with. According to Wikipedia, “A central processing unit (CPU) is an important part of every computer. read more