Module_10_Study_combined

Peripheral Devices

Any external component that sends information to or retrieves information from a computer.

Input Devices

Devices that send information into a computer.

Output Devices

Devices that retrieve information from a computer and display it.

Input/Output Devices (I/O Devices)

Devices that can both input data to a computer and accept output data from a computer.

KVM Switch

A device that allows multiple computers to use a single keyboard, mouse, and monitor.

Digitizer

A device that captures an analog signal and converts it into digital data.

Near-field Communication (NFC)

A set of communication protocols that allow devices to communicate when they are within 1.6 inches of one another.

Scanner

A device used to scan hard-copy images and documents and convert them into digital input for the computer.

Biometric Scanner

Devices used as a form of authentication that scan unique physical features to verify identity.

Virtual Reality (VR) Headset

A device worn on the head that provides a virtual reality experience through images and sound.

Projector

Devices that use light to project display output onto a wall or screen.

Color Depth

The number of bits used for each color component of a single pixel.

Resolution

The measurement of an image's sharpness and clarity, determined by the number of pixels.

USB Port

A standard connection interface used for data transfer and peripheral devices connection.

Plug and Play

A feature that allows peripherals to be connected and used with minimal setup.

Hot Swappable Device

A device that can be added or removed without shutting down the computer.

Driver Signing

A process that verifies a driver is from a reputable source and is compatible with the operating system version.

Image Retention

A temporary, ghost-like image displayed on a screen after the original image has changed.

Device Manager

A Windows utility used to view and manage the hardware devices installed in a system.

Legacy Devices

Older hardware that requires manual configuration and does not support automatic driver installation.

Stuck Pixel

A pixel on a display that remains fixed in one color and does not change.

Dead Pixel

A pixel that is permanently off and appears black.

Thermal Shutdown

A safety mechanism that turns off a monitor or device to prevent damage from overheating.

Artifact

An image element that remains on-screen after the image has changed.

Burn-in

A permanent discoloration on a display caused by displaying the same image for an extended period.

Codec

A standard for compressing and decompressing audio and/or video files.

Driver

A program that enables the operating system to interact with hardware devices.

Direct Memory Access (DMA)

Conduits used by high-speed devices to bypass the CPU and communicate directly with RAM.

Interrupt Request (IRQ)

A communication method that allows a device to interrupt the CPU and request processing time.

Input/Output (I/O) Address

A data address that allows two devices in a computer to communicate with each other.

Image Calibration

The process of adjusting a monitor to produce accurate colors based on its native specifications.

Display Scaling

The setting that can affect the size of images and icons on a screen.

Resolution Settings

Configuration that determines the number of pixels displayed on a screen and affects image quality.

Refresh Rate

Number of times the screen updates per second, typically measured in Hertz (Hz).