CISCO resumen

Chapter 1

Computers are used:
1.- Special purpose
2.- Requires hardware, o.s, and applications
3.- Network applications have two components, client and server

Types of computers:
1.- Server
2.- Workstations
3.- Desktops
4.- Laptops
5.- Portable devices

Key system components include:
1.- CPU
2.- RAM
3.- Adapter card functions
4.- Hard drives
5.- Additional devices
5.1.- Peripherals
5.2.- Surge suppresors

Chapter 2

An OS. is the most important software in a PC.
The Kernel interacts directly with the hardware
A NOS allows a device to share resources among many users
To participate in a network we need a NIC
A Patch is a piece of programme code that corrects a problem
Service packs are major updates
Applications softwares also need patches.