CH6 Dig Devices, MM and Immersive Tech TEST

A(n) _______ is a multifunction device that blends telephone functions and computing in a small hand-held device.

• iOS device

• Portable media player

• Smartphone

Answer explanation

A smartphone is a multifunction device that combines telephone capabilities with computing features, making it a small, hand-held device. Other options like iOS devices and portable media players do not encompass both functions.

The form of immersive technology in which the user interacts with a hologram.

• augmented reality

• mixed reality

• virtual reality

Answer explanation

Mixed reality allows users to interact with holograms, blending real and virtual environments. Unlike augmented reality, which overlays digital content, mixed reality integrates it into the user's surroundings, making it the correct choice.

An artificial world that consists of images and sounds created by a computer and that is affected by the actions of a person experiencing it.

• augmented reality

• mixed reality

• virtual reality

Answer explanation

Virtual reality (VR) creates a fully immersive environment with images and sounds generated by a computer, allowing users to interact with it. This distinguishes it from augmented and mixed reality, which blend real and virtual elements.

What technology is applied to digital media files to impose restrictions on the use of these files?

• AAC (advanced audio coding)

• Codec (Compression algorithms)

• DRM (Digital rights management)

Answer explanation

DRM (Digital Rights Management) is the technology used to impose restrictions on the use of digital media files, preventing unauthorized copying and distribution, unlike AAC and codecs which focus on audio quality and compression.

_______ media begins to play as it is being received and does not require the whole file to be downloaded to your device first.

• Machinima

• Streaming

• Tagging

Answer explanation

Streaming media allows content to be played as it is received, without needing to download the entire file first. This makes it distinct from other options like machinima or tagging, which do not fit this definition.

Which type of software tools enable you to create a video of what happens on your computer screen?

• Multimedia

• Podcast

• Screen Capture

Answer explanation

Screen Capture tools allow you to record your computer screen, capturing video of all activities. This is distinct from Multimedia and Podcast tools, which serve different purposes.

What is the measure of the number of pixels in an image?

• Fixed Focus

• Resolution

• AAC

Answer explanation

The measure of the number of pixels in an image is referred to as its resolution. Higher resolution means more pixels, resulting in better image quality. Therefore, the correct answer is Resolution.

Device drivers enable a computer and camera to talk to each other,

• True

• False

Answer explanation

True. Device drivers are essential software that allow the computer and camera to communicate effectively, enabling the transfer of data and commands between the two devices.

What image file format results in the smallest file size?

• GIF

• JPG

• TIF

Answer explanation

The JPG format uses lossy compression, which significantly reduces file size compared to GIF and TIF. While GIF is limited to 256 colors and TIF is often uncompressed, JPG is ideal for smaller file sizes, especially for photographs.

What e-reader technology makes a screen that is easy to read and extends battery life?

• E-Ink

• MP3s

• Analog

Answer explanation

E-Ink technology creates screens that mimic paper, making them easy to read in various lighting conditions. Additionally, E-Ink consumes very little power, significantly extending the battery life of e-readers.