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User Interface

QuestionAnswer
What is a user interface (UI)? It’s the system that allows users to interact with a computer using hardware and software.
What are examples of hardware used in user interfaces? Keyboard, mouse, monitor, printer, touch interface, speech and sound interface, specialized keyboard.
What is a touch user interface? It allows users to interact by tapping, swiping, or pinching the screen.
What are common devices that use touch UI? Smartphones, ATMs, self-service kiosks.
What are benefits of a touch UI? Easy to use, intuitive, enjoyable interaction with simple gestures.
What is a speech and sound interface? An interface where users give commands by speaking.
Devices that use speech and sound interfaces include…? Smartphones, car entertainment systems, Amazon Echo.
Benefits of a speech and sound interface? Easy to use, no training needed, supports users with disabilities.
What are specialized keyboards? Keyboards designed with features like raised dots or color coding for accessibility.
Who benefits from specialized keyboards? Users with visual impairments or special needs.
What is a software interface? Programs that allow users to interact with the computer through hardware.
What are the three types of software interfaces? Command-line interface (CLI), menu-driven interface, graphical user interface (GUI).
What is a command-line interface? An interface where users type text commands to interact with the computer.
Who commonly uses a CLI? System admins, developers, network managers, tech experts.
What is a menu-driven interface? An interface where users select options from a list.
Give an example of a menu-driven interface. ATMs and self-service food kiosks.
What is a graphical user interface (GUI)? A visual interface that uses windows, icons, buttons, and a pointing device for interaction.
Give examples of GUI actions. Point and click, drag and drop, touchscreen commands.
What are system specifications? The technical details of a computer’s components and capabilities.
What components are included in system specs? Processing speed, memory, secondary storage, software, input/output devices.
What is processing speed and how is it measured? The speed of the processor, measured in GHz.
What is a CPU core? A single processing unit within the CPU that can execute tasks.
What does having more CPU cores do? It allows the CPU to handle more tasks at once.
What is cache memory? Fast memory located in the CPU that helps improve performance.
Why is cache memory important? A computer needs it to function properly and run programs efficiently.
What does more RAM do for a computer? It makes programs run faster and allows multitasking.
What are the levels of RAM and their uses? Low RAM (<4GB): Basic tasks, slow with many programs. Medium RAM (2–4GB): Suitable for basic use and light gaming. High RAM (>8GB): Good for heavy multitasking and creators/gamers.
What are the two main types of secondary storage? Hard Disk Drive (HDD) and Solid State Drive (SSD).
How does an HDD work? It uses a spinning disk and read/write head to store and access data.
What is one key advantage of HDDs? High storage capacity at a lower cost.
What are the downsides of using an HDD? Slower performance, mechanical parts can wear out, and it’s larger and heavier.
How does an SSD work? It uses flash memory with no moving parts to store data.
What are the advantages of SSDs? Faster performance, smaller and lighter, lower power consumption, more durable.
What is a disadvantage of SSDs compared to HDDs? Higher cost.
Created by: Attasha
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