Input And Output Devices Basic Exam Quiz!

Explanation
A CPU (Central Processing Unit) is a type of device that performs the processing and execution of instructions in a computer system. It acts as the brain of the computer and is responsible for carrying out calculations, performing logical operations, and controlling the flow of data within the system. In this context, the CPU can be considered as all of the above options - input, output, and storage devices. It receives input from various sources, processes it, and produces output. It also has its own internal storage in the form of registers and cache memory. Therefore, the CPU can be classified as all of the mentioned options.

Explanation
A keyboard is considered an input device because it allows users to input data and commands into a computer or other electronic device. Users can type letters, numbers, and other characters on the keyboard, which are then transmitted to the computer for processing. Keyboards do not perform output functions like displaying information or storing data, so the correct answer is input.

Explanation
A mouse is a type of input device. It is used to control the movement of the cursor on a computer screen and to select items by clicking on them. Therefore, it is the correct answer.

Explanation
A speaker is a type of output device. It is responsible for producing sound and is commonly used to listen to audio or receive auditory feedback from a computer or electronic device. Speakers convert electrical signals into sound waves that can be heard by humans. Therefore, the correct answer is output.

Explanation
A headset is a type of device that is used for outputting audio. It is commonly used for listening to music, watching videos, making phone calls, or participating in online meetings. The speakers in the headset produce sound which is then heard by the user. Therefore, the correct answer is "output" as it accurately describes the function of a headset.

Explanation
A scanner is a type of device that is used as an input device. It is used to convert physical documents or images into digital format, which can then be stored or processed by a computer. Therefore, the correct answer is "input".

Explanation
A web camera is a type of device that is used as an input device. It captures video and audio data and sends it to a computer or other device for processing or communication purposes. It is commonly used for video conferencing, online streaming, and video recording.

Explanation
A Pendrive is a type of device that falls under the category of storage devices. It is a portable flash memory device that is used to store and transfer data. Pendrives are commonly used to store files, documents, photos, videos, and other types of digital data. They are compact, lightweight, and can be easily connected to computers and other devices through a USB port. Pendrives have a high storage capacity and are widely used for data backup, file sharing, and transporting data between different devices.

Explanation
A microphone is classified as an input device. It is used to convert sound waves into electrical signals, which can then be processed or recorded by other devices such as computers or audio systems. As an input device, the microphone allows users to input audio or voice data into a system for various purposes like recording, voice recognition, or communication.

Explanation
A barcode reader is a type of device that is used to input data into a computer system. It scans and reads the information encoded in a barcode and then sends this data to the computer as input. This input can be used for various purposes such as inventory management, sales tracking, and product identification. Therefore, the correct answer is "Input."