Grade 7 - Unit2

EMBEDDED. Ms.Asma AlAryani. Unit2 - Grade7. SYSTEMS.

CCDI ROUTINE E-SAFETY. Cyberbullying. Cyberbullying involves sending hurtful messages or sharing someone's personal information or pictures without consent, causing harm and stress to victims. If you're a victim, inform a parent, teacher, or responsible adult. In the UAE, cyberbullying is illegal under Cyber Crime Laws, with penalties of up to AED 500,000 in fines and/or prison time, aimed at making the internet safer for users..

WATCH AND LEARN. What is Cyberbullying?.

ACTIVITY 1. Page:35.

ACTIVITY 1. Page:35.

A computer system with hardware and software designed for specific functions ..

LEARNING OUTCOMES. Examine how microcontrollers receive and send data/signals. Use different components with a microcontroller to build a system..

EMBEDDED SYSTEMS. Embedded systems are specialized computers integrated into larger systems for specific tasks, like regulating temperature in air conditioners. They account for about 98% of manufactured microprocessors and can function independently or as part of complex systems, varying from simple microcontrollers to advanced multi-processor setups..

MICROCONTROLLERS. Microcontrollers are tiny programmable computers. A microcontroller includes four main parts for computer processing:.

EXAMPLES. Microcontrollers are essential in embedded systems for processing inputs and controlling outputs with fixed programming. They are used in larger systems like hybrid vehicles and aircraft, often in multiple units for various functions, and are common in smart devices and IoT applications..

EDUCATIONAL MICROCONTROLLER. To create embedded systems, use an educational microcontroller board to process inputs and control system features. These boards include essential processing parts and built-in components for inputs and outputs. Examples of educational microcontroller boards include:.

COMPONENTS. studio shodwe. Electronic devices consist of components used for inputs and outputs, which can be standalone parts or integrated into systems like microcontroller boards. Educational electronics kits contain various components, referred to as modules, that can be utilized to create embedded systems. By programming a microcontroller, you can control these components ..

INPUT COMPONENTS. Input components allow data entry for microcontroller processing. Examples include:.

OUTPUT COMPONENTS. Output components can be used to output data or control signals from a microcontroller after processing. Some examples of input components include:.

ACTIVITY 3. Page: 37. makecode.microbit.org.

ACTIVITY 3. Page: 37.

DATA SIGNALING. Electronic devices like microcontrollers and computers use electronic data signals to communicate. The two methods for sending and receiving these signals are analog signals and digital signals..

DIGITAL SIGNALS. Microcontrollers and computers are digital devices that communicate using digital signals, which are electrical signals transmitting information in binary digits. Binary digits are the smallest data units, representing single digital values in various forms..

ANALOGUE SIGNALS. Analogue signals hold more information than digital signals, using various numbers to represent values. However, analogue devices struggle to communicate with digital devices..

ANALOG - DIGITAL. To input data from analogue devices, computers and microcontrollers use analogue to digital converters (ADCs) to transform analogue signals into digital values. For outputting data to analogue devices, digital to analogue converters (DACs) are used to convert digital values into analogue signals. In the absence of DACs, some devices utilize pulse width modulators (PWMs) to create analogue signals..

ACTIVITY 4. Page: 38.

ACTIVITY 4. Page: 38.

BREADBOARDS AND EXPANSION SHIELDS. Breadboards and expansion shields connect microcontrollers and electronic components without crimping or soldering. They enable data signaling and supply electrical power to the components..

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