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3704000
HARDWARE and OPERATING SYSTEMS
Description
HARDWARE and OPERATING SYSTEMS
No tags specified
hardware and operating systems
hardware
software
universidad
Mind Map by
Jorge Navarro Fidalgo
, updated more than 1 year ago
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Created by
Jorge Navarro Fidalgo
about 9 years ago
15
0
0
Resource summary
HARDWARE and OPERATING SYSTEMS
FUNCTIONS and LANGUAGE
A bit is the smallest unit of information which can be stored
Represents 1 or 0 (binary system)
A byte is 8 bits
ASCII uses a binary code to represent characters
Functions
Input and output of data
Storing data
Processing data
HARDWARE
Physycal components
Microprocessor
Process data and instructions
Memory and storage
RAM
Copies data when running an application for the microprocessor
Cache memory
Fater than RAM
Very used data
ROM BIOS
Instructions to check the system and start the OS
Storage devices
Saves data
Magnetic disks
Positionates magnets to represent 0 or 1 (hard disks)
Optical discs
Store data on surface grooves (CD)
Solid state memory
Use transitors as switches for 0 or 1 (Pen drive)
Motherboard
All computer components are connected to it
Slots
To expand or add components
Chipset
Control the flow of bits
Input/Output ports
Elements to connect external devices
SOFTWARE
Operating System
Functions
Manages the microprocessor
Manages the memory and storage systems
Provides an interface
Allows communication between applications and peripheral devices
Manages the system resources to make them usable
Applications
Programming languages
COMPUTER NETWORKS
Computers connected
LAN
Linear
Star
Ring
Elements
Network card
Switch/hub
Transmission medium
Wireless network
Uses electromagnetic waves
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