6th Grade: Computer Input And Output Peripherals! Trivia Quiz

The keyboard is an input device because it allows the user to input data or commands into the computer by pressing keys. The monitor, speakers, and projectors are output devices because they display or produce information from the computer.

An output device is a piece of hardware that receives data from a computer and presents it to the user in a human-readable form. The printer is an output device as it takes electronic data from a computer and produces a physical copy of it on paper. The keyboard and mouse are input devices as they allow the user to input data into the computer, while the scanner is also an input device as it converts physical documents or images into digital data that can be input into the computer.

A hard disk drive is considered a storage device because it is used to store and retrieve digital data on a long-term basis. Unlike input devices that are used to input data into a computer system or output devices that are used to display or present data, a hard disk drive is responsible for storing large amounts of data permanently. It is a non-volatile storage device that uses magnetic storage to store and retrieve data, making it an essential component for storing files, programs, and operating systems on a computer system.

A trackball is a pointing device that is used to move the cursor on a computer screen. It consists of a ball that can be rotated with the fingers or palm, allowing for precise control of the cursor's movement. Unlike a scanner, keyboard, or USB, which are not primarily used for pointing or controlling the cursor, a trackball is specifically designed for this purpose. Therefore, the correct answer is trackball.

An HDMI port is typically used to connect a monitor to a computer. Monitors often require a high-definition multimedia interface (HDMI) connection to display the computer's output. This allows for high-quality video and audio transmission between the computer and the monitor. Therefore, the correct answer is "Monitor."

A touch-screen can be considered both an input and output device because it allows users to input commands and interact with the device by touching the screen, which is an input function. At the same time, it also displays information and outputs visual feedback to the user, making it an output device as well.

A hard drive is not considered a peripheral because it is an integral part of a computer system rather than an external device that connects to it. While digital cameras, speakers, and keyboards are all examples of peripherals as they are external devices that connect to a computer system to provide additional functionality, a hard drive is an internal component that stores and retrieves data on a computer.

A screen reader is a software application that converts text on a webpage into synthesized speech or braille output, allowing visually-impaired users to understand and navigate the content. It reads out the text, menus, buttons, and other elements on the screen, providing auditory feedback and enabling the user to interact with the webpage effectively. This makes the screen reader an essential tool for visually-impaired individuals to access and comprehend webpages.

A sound card is a device that converts digital data from the computer's memory into analog signals that can be played through speakers or headphones, allowing us to hear music or other audio. It acts as an intermediary between the computer's digital data and the audio output devices, translating the data into a format that can be understood and played by the speakers.

RFID chips can be used for identifying and tracking animals in the wild. These chips can be implanted in animals and provide a unique identification code that can be scanned and tracked using RFID readers. This technology allows researchers and wildlife conservationists to monitor the movements and behavior of animals, gather data for research purposes, and ensure their safety and well-being.