Actually the brain of computer is known as the processor because processor interprets the entered data and gives the result back. The processing speed of computer depends upon the varieties of processor. Intel core, AMD and NVIDIA are the processors which are found in the market. Intel core i7 is the latest processor which has high processing speed around 3 MHz. the operations, a microprocessor performs are called the instruction set of this processor. Processors differ from one to another by the instruction set. If the same program can run on two different computer brands they are said to be the compatible. Programs written for IBM compatible computer will not run on an apple computer because these two architecture are not compatible.
Mainframes are early minicomputers contained circuit boards full of integrated circuits cards that implemented the central processing unit. Todays single-chip central processing units, called microprocessors, make personal computers and workstations possible. The CPU has the ability to fetch, decode, and execute instructions and transfer information to and from other resources over the computer main data transfer path, the bus. By defination, the CPU is the chip that functions as the "brain" of the computer. In some instances, however the main computer console (as opposed to peripheral equipment).
Mainframes are early minicomputers contained circuit boards full of integrated circuits cards that implemented the central processing unit. Todays single-chip central processing units, called microprocessors, make personal computers and workstations possible. The CPU has the ability to fetch, decode, and execute instructions and transfer information to and from other resources over the computer main data transfer path, the bus. By defination, the CPU is the chip that functions as the "brain" of the computer. In some instances, however the main computer console (as opposed to peripheral equipment).
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