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computer - Coggle Diagram
computer
hardware
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input devices
keyboard 
USAGE
Keyboards are primarily used for text input, navigation, and accessing software functions through typing letters, numbers, and symbols, navigating menus, and using keyboard shortcuts. DISADVANTAGES:: repetitive strain injury, typing errors, and typing speed ADVANTAGES : efficient text entry, access to keyboard shortcuts for faster task completion, and ergonomic benefits that can reduce strain and improve posture.
MICROPHONE
Microphones, also known as mics, are transducers that convert sound into electrical signals, used in various applications like recording, communication, and amplification. DISADVANTAGES: Microphones can have several disadvantages, including background noise, distortion, and storage space requirements. ADVANTAGES better sound quality, consistent sound, and ease of use.
SCANNER USAGE:
A scanner is a device that converts physical documents, images, or objects into a digital format, allowing them to be viewed, edited, and stored on a computer. DISAVANTAGES:
Scanners can have several disadvantages, including quality, speed, and maintenance costs. ADVANTAGES:
The Advantages , including saving space, reducing costs, and improving security
LIGHTPEN USAGE: A light pen is a computer input device that allows users to interact with a CRT (Cathode Ray Tube) monitor by sensing light emissions, enabling drawing, selecting objects, and modifying data on the screen, similar to a touchscreen but with potentially greater precisionADVANTAGES:
its ability to directly select objects on a screen with high accuracy by sensing the screen's light, making it ideal for precise drawing and pointing, DISADVANTAGES:
while its major disadvantage is that it only works with CRT monitors and can be affected by ambient light, making it outdated and incompatible with modern LCD screens; additionally, it can require a more precise hand movement compared to a mouse.
JOYSTICK USAGE:joysticks are used for many purposes, including gaming, controlling machinery, and piloting dronesADVANTAGES:
Joysticks have many advantages, including precision, comfort, and accessibility.
DISADVANTAGES:
Joysticks have some disadvantages, including difficulty of use, lack of precision, and fragility.
DRIVING WHEEL USAGE:
Gaming steering wheels are specialised controllers designed to simulate the experience of driving a vehicle in racing video gamesADVANTAGES:
Using a gaming steering wheel enhances immersion and realism in racing games, offering precise control, force feedback, and a more immersive experience compared to traditional controllersDISADVANTAGES:
not cheap and requires very good computer
NUMPAD USAGE:
A numeric keypad, or numpad, is a section of a keyboard that contains the numbers 0–9, as well as other keys like + and -. You can use a numpad to enter numbers quickly and efficiently. ADVANATAGES:
A numeric keypad, or numpad, can be useful for many tasks, including data entry, spreadsheets, and phone numbers. It can also help reduce strain on your hands and wrists. DISADVaNTAGES:
A numeric keypad, or numpad, can have some disadvantages, including ergonomic issues, and can be less efficient depending on how you use your computer
*REMOTE CONTROL: USAGE:
A remote control is a device that allows you to control another device from a distance. You can use remotes to control TVs, DVD players, air conditioners, and other devices. ADVANTAGES:
The advantages of remote control include increased accessibility, improved productivity by allowing operation from a distance, flexibility in movement, and the ability to control multiple devices from one locationDISADVANTAGES:
however, potential disadvantages include potential for communication issues, lack of direct control over the equipment, dependence on a reliable network connection, and potential security concerns depending on the system.
TOUCH SCREEN USAGE:
Touchscreen technology allows users to interact directly with a display using fingers or a stylus, finding applications in smartphones, tablets, laptops, ATMs, self-service kiosks, point-of-sale terminals, car infotainment systems, and interactive whiteboards
ADVANTAGES:
Touchscreens have many advantages, including ease of use, speed, and accuracyDISADVANTAGES:
However, they also have some disadvantages, such as eye strain and difficulty entering text.
output devices
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speaker usageUsed in all phones and most computers
helps visually impaired people
plays downloaded music filesadvantages
Amplified sounds can be much louder than the original sound
They are especially useful for blind people, for instance, reading e-books.
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PRINTER
laser printers usage
A laser printer uses a laser beam, a photosensitive drum, and toner powder to create images on paper by forming an electrostatic image on the drum and then transferring the toner to the paper. advantages
Laser printers excel in speed, print quality, durability, and cost-effectiveness for high-volume printing, making them a suitable choice for businesses and offices. disadvantages
Laser printers have several disadvantages, including cost, maintenance, size, and print quality.
ink jet printer usage
Inkjet printers, known for their versatility and ability to produce high-quality prints, are used for a wide range of applications, including printing documents, photos, and graphics, both at home and in offices, and even for industrial applications. advantages
inkjet printers offer several advantages, including high-quality colour printing, versatility in media types, and generally lower upfront costs compared to laser printers, making them a good choice for home and small office use. disadvantages
Inkjet printers, while good for home and occasional use, have drawbacks like slower print speeds, higher cost per page, and potential for ink cartridge issues like drying or clogging.
dot matrix printer usage
Dot matrix printers, though often perceived as old technology, are still used for applications requiring durable, reliable, and affordable printing, especially for tasks like printing multipart forms, receipts, labels, and in environments where carbon copies are needed. advantagesDot matrix printers have several advantages, including low cost, durability, and the ability to print carbon copies. They are a good choice for businesses that need to print large volumes of documents. disadvantagesDot matrix printers, while known for their durability and affordability, have disadvantages like low print quality, slow speeds, high noise levels, and limited color capabilities.
(graph) plotter usage
Plotters are used for all kinds of construction and MCAD applications, including technical drawings, maps, orthophotos, and renders. Any application that benefits from crisp text and precise lines on a larger, single-sheet output can see value in a large format HP plotter printer.advantagesPlotter printers excel at large-format, high-precision printing, offering advantages like superior quality, detailed graphics, and versatility in materials, making them ideal for technical drawings, blueprints, and large posters. disadvantagesPlotter printers, while excellent for large-format and high-precision printing, have disadvantages including high initial and running costs, slower printing speeds compared to traditional printers, and limited versatility for general-purpose printing. and it is very expensive to buy.
3D printer usage
3D printers, also known as 3D printers, are used for rapid prototyping, creating custom medical devices, and producing intricate parts, especially in industries like healthcare, manufacturing, and construction. advantages
3D printers offer advantages like rapid prototyping, design freedom, customization, on-demand production, and reduced material waste, making them valuable for various industries and applications. disadvantages
3D printing, while innovative, has several disadvantages, including slow production speeds, high initial costs, limited material options, potential health risks from emissions, and concerns about copyright infringement and the production of dangerous items like weapons.
software
application software
Application software is any computer program that is intended for end-user use – not operating, administering or programming the computer.
system software: a type of computer program designed to run a computer's hardware and application programs.
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operating system:the program that, after being initially loaded into the computer by a boot program, manages all the other application programs in a computer.
Apple macOS, Microsoft Windows, Google's Android OS, Linux Operating System, and Apple iOS
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