Understanding Embedded Systems: A Comprehensive Guide
What is an Embedded System?
An embedded system is a specialized computer system designed to perform dedicated functions within a larger mechanical or electrical system. It typically uses a microprocessor or microcontroller as its core processing unit and is often integrated with hardware components like sensors and actuators.
Key Differences Between General Purpose Computers and Embedded Systems
Processing Unit
General Purpose Computers: Utilize microprocessors as the main processing unit.
Embedded Systems:
Read MoreElectrical Installation Safety Procedures: A Comprehensive Guide
Questionnaire 6: Electrical Installation Safety
1. Operations for Installation and Electricity Appropriation
During installation or when electricity is appropriated, the following operations should be performed:
- Open and visibly cut all sources of food.
- Block or lock equipment in the open position, if possible, by cutting.
2. Five Rules for Prevention and Protection During Work Without Tension
- Open cut all visible sources of tension: Use switches and disconnectors to ensure that they cannot be closed
Building Envelope Systems
Types of Cladding Covered
- Wood and metal
- Fiber cement
- Stucco and EIFS
Siding Assemblies
Wood Board Siding
- Attachment and overlap force water down the face of the wall and allow expansion/contraction of boards
- Blind nailing is when you nail behind one of the boards and the other board covers it when it overlaps
Beveled Wood Siding
- Siding that overlaps each other where the bottom is a little thicker than the top
Shiplap Wood Siding
- The wood is connected together and creates a dam so that water cannot get behind
Understanding Distributed Systems: Communication, Transparency, and Design Challenges
In distributed systems, communication paradigms dictate how different components or nodes communicate with each other. There are primarily three types of communication paradigms in distributed systems:
Remote Procedure Call (RPC): RPC is a communication paradigm that allows a process or program to execute procedures or functions on a remote system as if they were local. It abstracts the network communication and makes it appear as though a function call is being made within the same address space.
Aircraft Electrical Wiring Interconnection Systems (EWIS): A Comprehensive Guide
EWIS
An EWIS (Electrical Wiring Interconnection System) encompasses all wires, wiring devices, and termination devices installed within an aircraft for the purpose of transmitting electrical energy. Examples of EWIS components include:
- Wires and cables
- Bus bars
- Connectors
- Electrical grounding and bonding devices
- Electrical splices
Bonding and Grounding
Bonding and grounding are crucial aspects of aircraft electrical system maintenance. Inadequate bonding or grounding can lead to various issues, such as:
Read MoreSynthetic Fibers, Elastomers, and Plastics: A Comprehensive Guide
Synthetic Fibers
Definition
Synthetic fibers are produced through chemical processes involving the polymerization of low molecular weight substances. These fibers are typically linear or slightly branched and belong to the thermoplastic group.
Procurement Process
Several methods are used to create synthetic fibers:
- Polymerization: Used to obtain acrylic and olefin fibers.
- Polycondensation: Used to obtain polyester fibers.
- Polyaddition: Used to obtain fibers from polyoxymethylene, polyoxyethylene, and polyurethane.