HARDWARE and OPERATING SYSTEMS

Jorge Navarro Fidalgo
Mind Map by Jorge Navarro Fidalgo, updated more than 1 year ago
Jorge Navarro Fidalgo
Created by Jorge Navarro Fidalgo over 5 years ago
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HARDWARE and OPERATING SYSTEMS

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HARDWARE and OPERATING SYSTEMS
1 FUNCTIONS and LANGUAGE
1.1 A bit is the smallest unit of information which can be stored
1.1.1 Represents 1 or 0 (binary system)
1.1.2 A byte is 8 bits
1.1.3 ASCII uses a binary code to represent characters
1.1.4 Functions
1.1.4.1 Input and output of data
1.1.4.2 Storing data
1.1.4.3 Processing data
2 HARDWARE
2.1 Physycal components
2.2 Microprocessor
2.2.1 Process data and instructions
2.3 Memory and storage
2.3.1 RAM
2.3.1.1 Copies data when running an application for the microprocessor
2.3.2 Cache memory
2.3.2.1 Fater than RAM
2.3.2.2 Very used data
2.3.3 ROM BIOS
2.3.3.1 Instructions to check the system and start the OS
2.4 Storage devices
2.4.1 Saves data
2.4.2 Magnetic disks
2.4.2.1 Positionates magnets to represent 0 or 1 (hard disks)
2.4.3 Optical discs
2.4.3.1 Store data on surface grooves (CD)
2.4.4 Solid state memory
2.4.4.1 Use transitors as switches for 0 or 1 (Pen drive)
2.5 Motherboard
2.5.1 All computer components are connected to it
2.5.2 Slots
2.5.2.1 To expand or add components
2.5.3 Chipset
2.5.3.1 Control the flow of bits
2.5.4 Input/Output ports
2.5.5 Elements to connect external devices
3 SOFTWARE
3.1 Operating System
3.1.1 Functions
3.1.1.1 Manages the microprocessor
3.1.1.2 Manages the memory and storage systems
3.1.1.3 Provides an interface
3.1.1.4 Allows communication between applications and peripheral devices
3.1.2 Manages the system resources to make them usable
3.2 Applications
3.3 Programming languages
4 COMPUTER NETWORKS
4.1 Computers connected
4.2 LAN
4.2.1 Linear
4.2.2 Star
4.2.3 Ring
4.3 Elements
4.3.1 Network card
4.3.2 Switch/hub
4.3.3 Transmission medium
4.4 Wireless network
4.4.1 Uses electromagnetic waves
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