Computers are objects that cannot be separated from modern human life. Many human activities are assisted by the presence of computers, such as sending electronic mail, looking for references, conducting online exams, storing population data, processing research data, to making various kinds of films and animations. Computer devices were first discovered by a British mathematician named Charles Babbage. Even so, basically computers have the same principles and ways of working.
The basic principle of a computer system The working principle of a computer can simply be described by three main parts, namely input devices, output devices, CPU, and memory. Here’s the explanation:
CPU
CPU stands for Central Processing Unit or in Indonesian means a central processing unit. Called the central unit because the CPU is a component that acts as the brain of the computer. Reporting from Stanford University, the CPU runs active code and manipulates data, while other components have a more passive role such as storing memory.
Memory
Memory is a computer component that serves to store data on a computer. With memory, the computer can “remember” a data if it is needed again.
Input and output devices
An input device is a device that functions to enter information into a computer, while an output device is a device that functions to output information from a computer.
How Computers Work Reported from Explain That Stuff, the way computers work is to take information (input), process information (processing), store information (storage), and spit out results (output). With the following explanation: Retrieving information (input) The way a computer works begins with retrieving information (input). Computer input is done by humans as users. Information is entered by the user through the input device. The input device then converts the information into digital data that the computer can understand, namely binary 1 and 0.
Information storage (storage) After the information is input, the information will be stored as memory by the computer. There are two types of storage components in a computer, namely RAM (Random Access Memory) and persistent memory. The newly inputted memory is usually stored in RAM, because RAM is an active data store. RAM works very fast, it can store 1 byte of data in just 1 nano second. All the work that the computer is actively doing is stored in RAM. For example, while typing, the text is stored in RAM first. Or when you are opening a browser tab, all the currently open tabs are stored in RAM. Processing information (processing) The input data stored in RAM can then be processed by the CPU as the brain of the computer. All kinds of commands that are inputted by the CPU with the help of RAM. This is because the CPU has no memory, meaning it doesn’t remember or store anything. So that all data processed by the CPU is actually taken from RAM. Storing information (storage) After the data has been processed, only then can the data be permanently stored in persistent memory.
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