CDA 4102 Chapter : Computer architecture.pdf

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The digital computer is a digital system that performs various computational tasks. Digital computers use the binary number system, which has two digits: 0 and 1. A computer system is sometimes subdivided into two functional entities: hardware and software. The hardware of the computer consists of all the electronic components and electromechanical devices that comprise the physical entity of the device. Computer software consists of the instructions and data that the computer manipulates to perform various data-processing tasks. Program a sequence of instructions for the computer is called a program. The data that are manipulated by the program constitute the data base. Computer organization is concerned with the way the hardware components operate and the way they are connected together to form the computer system. The various components are assumed to be in place and the task is to investigate the organizational structure to verify that the computer parts operate as intended.

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