As we all know, Computer can be seen as a device that manipulate data, store and process data according to a list of instructions given to it. It’s a kind of data processing system.
The computer (Computador) has become an indispensable part of every household and comes in numerous physical forms.
The first modern computer was developed in the mid-20th century, although the concept of a computer (computador) and several similar machines existed before that. It began in 1837 when Charles Babbage designed The Analytical Engine, the first fully programmable mechanical computer.
Earlier versions were huge and bulky and took up an entire space. The EDSAC (Electronic Delay Storage Automatic Calculator) device was one of the first computers that could implement the stored program architecture.
In comparison, modern computers (computador) have small integrated circuits and are much better in terms of capacity, speed and precision. Today’s smaller version even fits on your watch and is powered by the watch’s battery.
Computers can be found in almost every household today and in various forms. In fact, they are the icons of the information age.
What makes computers so versatile and different from other devices is that they can be programmed, a pocket calculator can only calculate what a washing machine can only do a laundry, but a computer can be programmed for any kind of work.
Software programs are a list of instructions that your computer can save and execute.
A general computer (computer) consists of four main areas, the arithmetic and logical unit or ALU, the control unit or CU, the memory and the interface for input and output devices.
These parts of the computer are connected to each other by buses. the unit, the registers and the interface for input and output devices are collectively referred to as the central processing unit or CPU.
However, the first CPUs have consisted of different individual components since 1975; CPUs are built on a single integrated circuit, the microprocessor.
The ALU is for arithmetic and logical operations of the computer, while the control unit controls the different parts of a computer (computer).
Your task is to read and interpret the instructions of the programs individually and to convert them into control signals to operate other parts of the computer.
The previous version of the computer used magnetic core memory, but today it has been replaced by solid state memory.The main memory of the computer is divided into two parts, RAM or memory and ROM or read-only memory.
RAM can be written to and read at any time using CPU commands. On the other hand, the ROM is preloaded with software and data that never change and can only be read by the CPU.
I / O is hardware that enables a computer (computer) to receive information from the outside world and also send results. Some of the computer input devices include, the keyboard and mouse.
And some of the output devices include monitors and printers.There are some devices that serve as input and output devices, such as hard drives, optical drives, floppy disk drives, etc. or products convey information to a large group of people and do a lot more with a few clicks of the mouse.
Whether you’re looking for a new home or want to compare prices on the latest cell phone, fill out your college form, or read the latest version of Harry Potter. book, you can do everything on the Internet via your computer.
With the advent of the computer (computador) and its use, a growing number of computer-related professions have also developed.
Computer-related professions include electrical engineering, nanotechnology, telecommunications engineering, software engineering, web design, desktop publishing, and optical engineering.
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