computers…. tics umg – silvia sowa. a programmable device carries out specific tasks arithmetic...
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Computers….
TICS
UMG – Silvia Sowa
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A programmable device
Carries out specific tasks
Arithmetic & mathematicoperations.
Sequences of processes
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• Electronic devices• Input peripherals• Output • Mixed peripherals• Storage • Memories• Central Processing Unit or CPU• Executes a series of instructions• Integrated circuits
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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…
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Connections Decentralized communication networks
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Operative Systems
Is a set of programs that serve as intermediary between the user and the hardware
OS
ProgramsApplications
Resources
Interfaces
Connection with equipment
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TYPES OF SO
SINGLE TASK
MULTI USER
MULTI TASK
SINGLE USER
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ConvenientEfficient
OrganizedIn constant evolution
VersitileChangingAdaptable
Characteristics
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Scale
Connection
ServicesProtocol
Topology
NETWORKS
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Scale: WAN, LAN, PAN, CAN…
Connection:home PNA, Ethernet, line…
Services: pubic or private
Topology: tree, ring, star, bus….
Protocol: net & protocol…