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Hardware and operating systems :explode: (4.Windows operating system (1 …

- - - - Optical disks: CD.ROMs. DVDs and Blu.ray Discs store data in a series of grooves on the disc surface. The disc drive emits a laser onto the disc and reflects off the flat areas .
      - Solid-state memory (flash): These devices store information using transistors acting as switches . These switches can be either opened or closed. Solid state memory devices include memory cards or pen drives...
      - Magnetic disks: Hard disks are the most common magnetic storage units. They store bits by positioning millions of tiny magnets in two possible orientations that represent 0 and 1.
  - - - 2.3.2: 1. Slots that can be used to expand or add new components such as a modem, sound card, network card and so on, they can be PCI or PCI Express. 2. The IDE (integrated device electronics) or ATA (advanced technology attachment) and SATA (serial ATA) connectors connect the hard disk, CD drive and DvD drive to the motherboard. 3.The CHIPSET is a number of integrated circuits designed to perform related functions, they control the flow of bits to and from the motherboard. 4. Various input / output ports.
        
        2.3.3 : Connecting external devices. We can physically connect devices to the computer in different ways : 1. Using an expansion slot on the motherboard, to connect a sound card or a graphics card, for example. 2. By special connectors on the motherboard, for such devices as the hard disk, DVD drives and so on. 3. Using the external ports on the side or back of the computer, for example, the USB port.
        
        2.3.4 We also need to install a driver that allows the device to communicate with the operating system, that automatically installs drivers for most devices. We can also install new devices by using the software provided by the device manufacturer. To do this, we need to use one of the following tools:1. Asistente para agregar hardware in windows. Use this to add new hardware. 2. Informe sobre nuevos dispositivos (Hermes), a report on new devices in Linux. 3. Administrador de dispositivos in Windows. 4 Gestor de dispositivos in Linux.
- - - - Synaptic package management program. To open it, select sistema administración. This program gives you more control over the installation process.
      - Añadir y quitar in the Aplicaciones menu. This is the easiest way to add and remove applications. If we want to install or uninstall a program in Linux we go to Aplicaciones menu and select AÑADIR o QUITAR, then a window will appear. After that ,select the program you want and click to aplicar cambios.
    - - Open the gestor de actualizaciones through Sistema, Administración. 2. Click on comprobar. A list of recommended updates will appear. Click on instalar actualizaciones to install the selected updates.