Step 1: Estimate the requirements to select the hardware.
- This includes the required processing speed, in operations per second, with the knowledge of the operations in context; the memory required; The persistent memory, or storage required; Any functional interfaces such as radio, wired network, audio sources, audio sinks, peripheral ports, expansion slots, physical size, hardware development road-map and projected compatibility, etc.
Step 2: Select the appropriate operating system, with a general knowledge of the ecosystem built around it.
- An operating system defines an abstract and secure way of

Notes from Phone, to complete the steps above

Firmware Program Loader
Bootloader (To set any parameters)
Hardware Interfaces (Kernel)
- Signal Modem(s)
- Storage(s)
- Filesystem(s)
- Shared Memory Interface, etc.
- Processor Instruction Interfaces
Load Filesystem
Load Configuration Stores
- Storage Addressing
Background Services and Management
- Wi-Fi Protocol and Management
- Bluetooth Protocol and Management
Network Addressing
System Error Logging
Filesystem Backup
Users and Session Management
User Interface
- Textual, Graphical, Audio, Haptic, etc.
  - Graphical
    - Window Management
    - Composition and Animation
    - Status Panels, Widgets, Launchers
Core Utilities
- Shared Runtime Libraries
Additional System Utilities
- System Monitor
- Settings Management Interface
- Storage Manager
Extra Utilities
- Network Service Explorers
- Filesystem Explorer
- Media Players
- Clock, Calendar, etc.
- Text Editors
- Any Application Software

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