The term “Talkback” refers to a system that allows users to provide feedback on a multimedia presentation. This feedback can be in the form of audio, video, or text. Talkback can be used to improve the quality of a presentation, or to provide feedback to the presenter. How do I turn TalkBack off? There are … Read more


A font is a typeface of a certain size and style. The term font can refer to the physical embodiment of the typeface (the “font file” or “font family”), or it can refer to the logical design of the typeface. A typeface is the overall design of the letters, numbers, and symbols that make up … Read more

Light-emitting diode (LED)

An LED is a diode that emits light when an electric current is passed through it. LEDs are used in a variety of electronic devices, including televisions, computers, and flashlights. What is LED and its working principle? An LED is a light-emitting diode. A diode is an electrical component that allows current to flow in … Read more


The resolution of a digital image is the number of pixels in the image. Higher resolutions mean that there are more pixels in the image, which results in a sharper, more detailed image. What does resolution mean example? When referring to digital images, resolution is the fineness of detail in a bitmap image and is … Read more

Secure Digital Extended Capacity card (SDXC)

Secure Digital Extended Capacity cards (SDXC) are a type of flash memory card designed for storing digital data. SDXC cards are similar to SDHC cards, but they have a higher capacity and can be used in devices that support the SDXC standard. SDXC cards are not compatible with devices that only support the SDHC standard. … Read more

Streaming media

Streaming media is a multimedia that is constantly received by and presented to an end-user while being delivered by a provider. The verb “to stream” refers to the process of delivering or obtaining media in this manner; the term refers to the delivery method of the medium, rather than the medium itself, and is an … Read more


A voxel is a unit of graphical information that typically represents a single point or pixel in a three-dimensional space. Voxels are often used in graphics applications such as video games and 3D printing. What is a pixel vs voxel? A pixel is a single point in a raster image. A raster image is a … Read more


A palette is a range of colors used in a particular image or graphic. Palettes can be created in a number of ways, including through the use of software programs that allow users to select and manipulate colors. Palettes can also be created by hand, using a limited number of colors to create an image. … Read more

Flexible display

A flexible display is a display device that is able to be bent or rolled without damage. Flexible displays are made using a variety of different technologies, including LCD, OLED, and e-paper. Currently, flexible displays are used mostly in mobile devices, such as smartphones and smartwatches. However, there is potential for flexible displays to be … Read more

Ripping (digital extraction)

The term “ripping” refers to the process of extracting digital data from a media source. This can be done with a variety of devices and software, but the general idea is to copy the data onto a computer or other storage device so that it can be accessed and used more easily. There are many … Read more