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HARDWARE AND OPERATING SYSTEMS - Coggle Diagram
HARDWARE AND OPERATING SYSTEMS
COMPUTER SYSTEM
Binary system
Units
BIt (Smallest)
8 bits form a byte
ASCII
American Standard Code for lnformation Interchange
COMPUTER FUNCTIONS
Output of data using peripheral devices
Storing data in the storage devices
Input of data using peripheral devices
Processing data in the central processing unit (CPU), using the microprocessor the memory.
ELEMENTS OF THE COMPUTER
Microprocessor
Integrated circuit made up of millions of transistors which work together to process the instructions and data received from the memory.
Clock rate: Speed at which the processes are completed
64 bits at a time
Memory and units of storage
RAM (Random access memory)
Cache memory
ROM BIOS
Storage devices
Magnetic discs
Solid-state memory (flash)
Optical discs
Motherboard
All the other parts of the computer are connected to it
Parts
Slots that can be used to expand or add new components
Chipset, number of integrated circuits designed to perform
related functions
The ATA, SATA and IDE connectors
Connecting external devices
hard disk, DVD drives
USB port
Graphics card, sound card
SOFTWARE AND OPERATING SYSTEMS
Applications
Presentations
Word processors
Spreadsheets
Database management tools
Antivirus software
Drawing programmes
Programming languages
Operating System. Manages the system resources, making them available for use by the user and the applications
First thing that appears when you turn on the computer
All computers need to have an operating system
Functions
It provides an interface or working environment
It allows communication between applications and peripheral
devices
It manages the microprocessor
It manages the memory and storage systems
TYPES OF OPERATING SYSTEMS
Windows
Installing and uninstalling programs
Hard disk maintenance
Defragmenting the hard disk
Cleaning the hard disk
Detecting and repairing errors
Saving power
System updates
Linux
Installing and uninstalling programs
How to keep your system out to date
COMPUTER NETWORKS
Set of computers connected to each other to share resources and exchange information
LAN (Local Area Network)
Star
Ring
Linear
Metropolitan area networks
Wider area networks (Countries or continents)
Elements
Hub/Switch
Transmission medium
Adaptor/Network card
Wireless networks (WLAN)
Shared internet access
Router
Internet Connection Sharing (ICS)
SHARING RESOURCES
Windows
Sharing a printer
Inicio-Impresoras y Escáneres-Compartir-Compartir esta impresora
Sharing folders and files
Compartir y seguridad-Compartir esta carpeta en la red
Linux
Sharing a printer
Sistema-Administración-Impresoras-Configuración de la impresora
Sharing a computer
Sistema-Administración-Usuarios y Grupos
Sharing folders
Lugares-Red-Opciones de Compartición
