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HARDAWARE AND OPERATING SYSTEMS, image - Coggle Diagram
HARDAWARE AND OPERATING SYSTEMS
COMPUTER LANGUAGE AND FUNCTION
binary system
Computers only use the numbers 0 and 1
the smallest unit of information that can be store on a computer is the
bit
COMPUTER FUNCTIONS
Computer hardware refers to the physical parts of a computer and related devices. Internal hardware devices include motherboards, hard drives, and RAM.
FUNCTIONS OF A COMPUTER
Input of data using peripheral devices
Output of data using peripheral devices
processing the data as per instructions
Storing data in the storage devices
COMPUTER ELEMENTS
MEMORY AND UNITS OF STORAGE
Cache memory
ROM BIOS
RAM
Storage devices
Opticat discs
Solid-state memory (flash)
Magnetic disks
MOTHERBOARD AND CONNECTING DEVICES
The motherboard is like a miniature city.
components
Slots that can be used to expand or add new components
The IDE or ATA or SATA connectors connect the hard disc, CD drive and DVD drive to the motherboard
The chipset is a number of integrated circuits designed to perform related functions, they control the flow of bits to and from the motherboard
Various input/output ports
Connecting external devices
We can physically connect devices to the computer in different ways
By special connectors on the motherboard
using an expansion slot to connect a sound card or graphics card
using an external ports on the side or back of the computer
MICROPROCESSOR
The microprocessor is an integrated circuit made up of millions of tiny transistors working together to process the instructions and data received from the memory
SOFTWARE AND OPERATING SYSTEM
various types of software
Applications
Presentations
word processors
Drawing programs
• Database management tools
spread sheets
Programming languages
used to create other programms and applications
Operating system
the operating system is the first thing that appears when you turn on the computer and the last thing you see when you're turning it off
functions
Allows communication between applications and peripheral
devices.
Provides an interface or working environment
manages the memory and storage system
manages the microprocessor
WINDOWS OPERATING SYSTEM
hard disk maintenance
Defragmenting the hard disk
Detecting and reparing errors
Cleaning the hard disk
saving power
you can tell your computer to go into standby mode automatically, during a period of unactivity.
installing and uninstalling programs
we can install programs using an installation wizard
system updates
operating systems are constantly being updated.
LINUX OPERATING SYSTEM
Installing and unistalling programs
añadir y quitar in the aplicaciones menu. this is the easiest wat to add and remove applications
how to keep your system up to date
Open the Gestor de actualizaciones through Sistema Administración
Click on comprobar. Click on Instalar actualizaciones to install the selected updates
COMPUTER NETWORKS
We can divide computer networks into
metropolitan area networks
LANs
wide area networks
Elemets in a network
the hub that distributes all the information. It can be replaced by a switch
the information travels down a transmission medium
adaptador or network card
Wireless networks
WLANs use electromagnetic waves to transmit data. All computers need to have a wireless network card
