Unit 3 Technological Systems PDF

Unit 3 Technological system Presentated by T. Salman Shaikh Technological system System Technological system Technology System Analysis  System The word "system" means a group of parts that work together to do something. The parts of a system can be thing...

Unit 3 Technological system Presentated by T. Salman Shaikh Technological system System Technological system Technology System Analysis  System The word "system" means a group of parts that work together to do something. The parts of a system can be things, living beings, information, or energy. There are different kinds of systems, depending on what they do. Some examples of systems are: Natural systems: like ecosystems (a community of plants and animals that live together) and the solar system (the sun and all the planets that go around it). Social systems: like families, schools, and communities (groups of people who live together and help each other). Technological systems: like bicycles, light bulbs, and computers. Natural Systems A natural system is a group of living and non-living things that are connected. They share energy and information and affect each other. This makes the system work together in a balanced way. Examples of interesting natural systems: Ecosystems: Ecosystems: Forests: Forests have many different plants, animals, and tiny living things. Plants make food using sunlight (photosynthesis). Animals that eat plants (herbivores) and animals that eat other animals (carnivores) are part of a food chain. Tiny living things (microorganisms) break down dead plants and animals, making a natural cycle. Lakes: Made up of tiny water creatures called plankton, animals that live in water, and plants that live in water. These things are connected like a chain, eating each other and using things from the bottom of the water and the air. Plankton are very small living things in water. Sediment is dirt or sand at the bottom of water. Coral Reefs: These places are like homes for many different kinds of sea animals. They help keep our beaches safe and make sure everything in the ocean is okay. Solar System: The Sun is like a big, hot ball in the middle of our solar system. It gives us heat and light. It is so strong, it pulls all the planets, rocks in space called asteroids, icy balls called comets, and tiny bits of dust towards it. Other Natural Systems: The Atmosphere: It keeps us safe from strong sunlight and helps keep the Earth at the right temperature. The Water Cycle: Water goes from the oceans to the sky and back again. The Digestive System: We eat food, and our bodies break it down to give us energy and grow. Animals do this too. These things all work together and are connected. If one thing changes, it can change the others. We are part of this big system, and what we do can change the air, water, and animals around us Social Systems A social system is like a big group of people who live together and help each other. They have their own special ways of doing things, like their traditions and rules. These help people live together happily. Examples of social systems: Family: A family is the smallest part of society. It's made up of people who are related by blood or marriage. Families help each other, take care of kids, and make everyone feel loved. School: A school is a place where kids learn from teachers. They learn new things, grow up, and learn to be good friends and good human beings. Community: A community is a group of people who live near each other or like the same things. They help each other and work together to make their place better. Technological Systems Technological Systems A technological system is like a group of things that work together to do something. People make these systems. They use computers, programs, information, and people to make them work. Hardware is the computer or machine part. Software are the programs that tell the hardware what to do. Examples of interesting technological systems: Bicycles: Mechanically powered vehicles used for transportation, fitness, and recreation, comprising components like the frame, wheels, gears, and brakes working together to move efficiently. Light Bulbs: Devices that convert (change) electrical energy into light, using components (parts) such as filaments (thin wires) or LEDs (tiny lights), and are integral (important) to lighting systems in homes, workplaces, and public spaces. Computers: Electronic devices (computers, tablets, etc.) for processing (doing things with), storing (saving), and retrieving (finding) information, consisting of hardware (physical parts like the brain of the computer, its memory, and where it saves things) and software (programs that tell the hardware what to do), used for a wide range of tasks (jobs) from personal productivity (helping you work) to complex scientific calculations (hard math problems). A technology system is something made by people to help with different needs. A technology system has four main parts: 1. Input: What the system needs to work, like materials, energy, or data. 2. Process: How the system changes the input into output. 3. Output: What the system makes, like products, services, or information. 4. Feedback: Information about how well the system is working, used to make it better. These parts work together to make sure the technology system works well and meets people's needs in areas like making products, providing services, and communication let's use a bicycle as an example of a technology system: Input: Materials: Steel or aluminum for the frame, rubber for the tires, and plastic for the pedals and handlebar grips. Energy: The rider's strength to pedal the bicycle. Data: Information like the type of ground (terrain), weather, or what the rider prefers. Process: Assembling: Putting together the bicycle parts like the frame, wheels, pedals, brakes, and gears. Pedaling: When the rider pedals, parts like the chain, gears, and wheels work together to turn the rider's energy into movement. Design: The bicycle is built to move easily and be controlled on different types of ground and in different weather. Output: Transportation: The bicycle helps the rider move from one place to another. Health: Riding the bicycle also gives health benefits, like exercise and enjoying outdoor activities. Data: Information like how far you’ve traveled, your average speed, and how many calories you’ve burned. Feedback: Rider's Experience: How comfortable the ride is, how easy it is to handle, and how well the bicycle performs. Maintenance: Things like needing new tires or fixing gears. Improvement: This feedback helps riders change how they ride and helps companies make better bicycles. example of a technology system: a hot water kettle. Input: Water: Cold water from a tap or other source. Energy: Electricity or gas to heat the water. An electric kettle uses power from a plug, while a stovetop kettle uses a gas or electric stove. User input: The person using the kettle may choose the temperature or amount of water. Process: Heating: The kettle has a heating part (electric) or is placed on a stove to heat the water. Temperature control: Some kettles can control the heat to make sure the water reaches the right temperature without boiling over. Safety features: Many kettles have safety features like automatic shut- off to stop it from overheating or running dry.  Hot water: The main result is hot water, used for things like making tea, coffee, instant noodles, or cooking. Steam: When the water heats up, steam comes out, which might escape through a spout or lid. Feedback: User experience: People might give feedback on how easy the kettle is to use, how fast it heats, and how happy they are with it. Maintenance: Problems like limescale buildup or broken heating parts can also be feedback, helping improve future kettles. Analyzing a technological system means studying the parts of the system, finding problems, and looking for solutions. The steps are: 1. Objective Setting: Decide why you are analyzing the system. This could be to make it work better, fix problems, or improve how it works. 2. Data Collection: Gather information about the system, like its parts, how it works, and what it produces. You can get this information from documents, watching how it works, or talking to people who use it. 3. Data Analysis: Look at the information you collected to understand how the system works. Find any problems or things that could be better and figure out why they happen. You might use tools like models or simulations to see how the system behaves. 4. Summary of Findings: Summarize what you discovered during the analysis. Focus on the main points, problems, and possible solutions. You can use charts or diagrams to make the information easier to understand. In summary: Analyzing a technological system means setting goals, gathering data, studying the data, and summarizing what you found to spot issues and suggest fixes. Analysis of the Technological System: Light Bulb Analysis of the Technological System: Light Bulb Objective Setting: The goal is to study how a light bulb works. Data Collection: A light bulb has three main parts: Filament: Changes electrical energy into light. Glass Bulb: Protects the filament. Base: Connects the bulb to the electrical circuit Data Analysis: When electricity flows through the filament, it heats up and gives off light. The light shines through the glass bulb and lights up the area around it. Summary of Findings: The light bulb works by changing electrical energy into light energy. In summary: A light bulb changes electrical energy into light energy. Analysis of Solar-Powered Oven: Analysis of Solar-Powered Oven Objective Setting: The goal is to study how a solar-powered oven works. Data Collection: A solar-powered oven has several parts: a. Solar Panels: Collect sunlight and turn it into electrical energy to power the fan and thermostat inside the oven. b. Insulated Box: Keeps the heat inside the oven. c. Reflective Surface: Sends sunlight into the oven. d. Heat-Absorbing Material: Takes in sunlight and turns it into heat. Data Analysis: Sunlight hits the solar panels, which make electricity to run the fan and thermostat inside the oven. The fan moves hot air around, and the thermostat controls the temperature. The insulated box keeps heat in, letting the oven get hot enough for cooking. The reflective surface helps gather more sunlight, making the oven work better. The heat-absorbing material turns sunlight into heat to cook the food inside. Summary of Findings: A solar-powered oven uses sunlight to make electricity and heat, which makes it a green and cost-effective way to cook. In summary: This analysis shows how a solar-powered oven works by using sunlight to generate both electricity and heat for cooking Thank you