Output Devices (Cambridge (CIE) O Level Computer Science)

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Computer Science

Output devices are hardware components that receive information from a computer system and present it to the user in a comprehensible form
They enable the computer to communicate the results of processed data or commands

Name of device	Description
Monitor	This is the most common output device. It displays visual output from the computer, including text, images, and videos - these include LCD displays
Printer	Produces a hard copy of digital documents or images. There are various types of printers, including inkjet, laser, and 3D printers
Speakers	Output audio from the computer, such as music, sound effects, or voice
Headphones	Similar to speakers, headphones output audio directly to the user, providing a more personal and potentially immersive experience
Projector	Projects the computer's display onto a large screen or wall, useful for presentations or movie viewing
Braille Display	This specialised device outputs information in Braille, allowing visually impaired users to read text from the computer
Plotter	Used for printing large, high-quality diagrams and designs, often used in engineering or architecture
Virtual Reality (VR) Headset	Provides an immersive visual and audio output, primarily used for gaming and virtual simulations
Computer-Controlled Machinery (e.g. actuator)	In manufacturing or robotics, computers often output commands directly to machinery to control their operation

When recommending a device for a specific situation, consider the following factors:

User Needs
- What tasks will the user be performing? A graphic designer might need a graphics tablet, while a data entry clerk might need a keyboard with a number pad
User Skills
- Is the user comfortable with the device? A touch screen might be more intuitive for some users, while others might prefer a mouse and keyboard
Environment
- Where will the device be used? A wireless mouse might be suitable for a clutter-free office, while a wired mouse might be better for a public computer lab to prevent theft
Cost
- Higher-end devices often have more features but are also more expensive. Consider the budget and whether the extra features are worth the cost

to absolutely everything:

the (exam) results speak for themselves:

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