COMPUTER MAIN PARTS HARDWARE AND SOFTWARE HARDWARE It refers to all physical parts of a computer system. They are cables, cabinets or boxes, peripherals of all kinds and any other physical element involved. ITS MAIN COMPONENTS ARE : 1. Mainboard or motherboard: Is the fundamental support housing and communicated to all other components. 2. CENTRAL PROCESSING UNIT Or CPU, is the main component of the computer responsible for interpreting and executing instructions and processing data . 3. RAM The acronym RAM , Random Access Memory English literally means random access memory . memory is used in a computer for temporary storage and work ( not massive ) . In the RAM information, data and programs Processing Unit (CPU ) reads and executes processes is temporarily stored . 4. HARD DISK DRIVE: It is the data storage device employing a magnetic recording system for storing digital data . It consists of one or more plates or hard drives, united by a common shaft rotating at high speed inside a sealed metal box. 5. MONITOR: is the primary output device ( interface), showing data or information to the user . It can also be considered an input / output if the monitor has touch or multitouch screen . 6. OPTICAL DRIVE: is a disk drive that uses laser light or near electromagnetic waves the spectrum of light as part of the process of reading or writing of data from a file to optical discs through light beams interpret refractions caused on his own issue . 7. TECLADO It is a peripheral device input or partly Inspired keyboard typewriters , which utilization An arrangement of buttons or keys , to act as mechanical levers or electronic switches that send information to the computer . 8. CHASSIS is the metal frame or plastic , whose function is to house and protect the internal components such as CPU , RAM , motherboard , power supply , the / s expansion boards and storage devices or drives : floppy disk drive hard disk , optical drive ( reader or writer : CD , DVD, Blu Ray ) . SOFTWARE logical equipment or software of a computer system , comprising all the necessary software components that make it possible to perform specific tasks , as opposed to the physical components that are called hardware. also facilitating interaction between the physical components and other applications , and providing a user interface . OS is a program or set of programs of a computer system that manages hardware resources and provides services to application programs running in privileged mode for the remaining ( although it may part of it runs in user space ) . WINDOWS 8 It is the current version of Microsoft Windows operating system produced by Microsoft for use on personal computers, including desktops at home and business laptops , netbooks , tablets , servers and multimedia centers. LINUX In a GNU / Linux system , Linux is the kernel. The rest of the system consists of other programs , many of which were written by or for the GNU project. Because the Linux kernel alone does not form a working operating system, we prefer to use the term " GNU / Linux " to refer to systems that most people casually refer to as "Linux" . MAC OS es el nombre del sistema operativo creado por Apple para su línea de computadoras Macintosh, también aplicado retroactivamente a las versiones anteriores a System 7.6, y que apareció por primera vez en System 7.5.1. Es conocido por haber sido uno de los primeros sistemas dirigidos al gran público en contar con una interfaz gráfica compuesta por la interacción del mouse con ventanas, iconos y menús. ANDROID It is an operating system based on Linux kernel. It was designed primarily for touch screen mobile devices such as smartphones or tablets ; and for smart watches , televisions and cars.