Computers….

TICS

UMG – Silvia Sowa

A programmable device

Carries out specific tasks

Arithmetic & mathematicoperations.

Sequences of processes

• Electronic devices• Input peripherals• Output • Mixed peripherals• Storage • Memories• Central Processing Unit or CPU• Executes a series of instructions• Integrated circuits

A: Power ConnectorB: Power Supply Unit (PSU)C: Mouse PortD: Keyboard PortE: USB PortF: Parallel Port (Printer Port)G: Serial Port (COM Port)H: Game PortI: Monitor PortJ: Ethernet Port (RJ- g45)K: Modem

Ports…

Connections Decentralized communication networks

Operative Systems

Is a set of programs that serve as intermediary between the user and the hardware

OS

ProgramsApplications

Resources

Interfaces

Connection with equipment

TYPES OF SO

SINGLE TASK

MULTI USER

MULTI TASK

SINGLE USER

ConvenientEfficient

OrganizedIn constant evolution

VersitileChangingAdaptable

Characteristics

Scale

Connection

ServicesProtocol

Topology

NETWORKS

Scale: WAN, LAN, PAN, CAN…

Connection:home PNA, Ethernet, line…

Services: pubic or private

Topology: tree, ring, star, bus….

Protocol: net & protocol…