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Computer Definition

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What is Computer? Computer is an electronic machine that is used to specialized design for accepting the data, processes it and gives result. Process Diagram The computer performs the task according to the instructions that is imposed by a program. This means that computing operations are totally dependent on program and its instructions. Computer Devices:- Computer devices are categorized into three groups:- Input Device Process Device Output Device 1. Input Device:- Input device is used to input the data into the computer. Such as, Keyboard, Mouse, Light Pen etc. 2. Process Device:- The Process device is used to perform the operation into the computer; it is called CPU (Central Processing Unit) and that is known as brain of computer. Logically, it is divided into three sectors. a) ALU b) CU c) MU a) ALU ALU is used to arithmetic & logical operation in CPU. b) CU CU is used to maintain and control the operation executing in CPU...
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Von Neumann Architecture

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Von Neumann Architecture A CPU consists of ALU and CU. There is a main memory system. Data & programs are store in a single place. Each memory location has unique address. There is a single path between main memory and CPU that is called bottleneck. Von Neumann Archiecture
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Disadvantages of Computer

Demerits:- Computer cannot thing. Computer cannot learn from experience. It is totally dependent on program and its instructions. A user required to operate the system.
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