Unit 1

Unit 1

1. hardware

   • components
     • Motherboard, hard disk, etc...
       • Motherboard
         • Largest card with a printed circuit you seen when you open a computer.
         • Main components are;
           • Microprocessor socket
           • Chipset
           • RAM memory slots
           • ATX connector
           • ODE and SAT connections
           • Expansion slots
           • External connections
           • Chip and battery for BIOS
       • Microprocessor
         • Responsible for processing data, performing and aritmical-logicasl operations and controlling alla the other devices.
     • Internal connectors and ports
       • PCI
         • Allow new components
       • AGP
         • It´s transfer rate can be as high as 2GB/s
       • IDE
         • This control mass storage devices, such as hard disks, CD-ROM, DVD, etc...
       • SATA
         • Transmition interface between the motherboard and certain devices.
       • PORTS
         • USB
           • allows to connect different peripherals to a computer.
         • IEEE 1394
           • This is an interface that permits the connection of camaras, videos, etc...
   • Set of physical elements or materials that make up a computer or a computer system.