Question 1

In a virtual world,users communicate solely using voices.

Accepted Answer

False

Question 2

A cave automatic virtual environment (CAVE)uses holographic devices that create,capture,and display images in true 3D form.

Accepted Answer

A CAVE indeed uses holographic devices to create, capture, and display 3D images.

Question 3

Telepresence technology allows users to move around freely by combining interactive environments with cameras,monitors,and other devices.

Accepted Answer

False

Question 4

Virtual reality helps extend the capabilities of the disabled.

Accepted Answer

Virtual reality technology can help individuals with physical or cognitive disabilities to access environments and experiences that may not be possible in the physical world. For example, individuals with limited mobility can use VR to experience activities such as rock climbing or surfing. VR can also be used for therapeutic purposes, such as to help individuals with phobias or PTSD to confront and overcome their fears.

Question 5

Push technology benefits both users and vendors.

Accepted Answer

Push technology benefits users by providing them with real-time updates and information without requiring them to actively search for it. It benefits vendors by allowing them to deliver targeted and timely information to their customers, potentially increasing sales and customer engagement.

Question 6

When using RFID,there are some technical problems and issues of privacy and security.

Accepted Answer

RFID technology may encounter technical issues, such as signal interference or tag collision. Additionally, concerns have been raised regarding the privacy and security of RFID systems, as they can potentially expose personal information and be vulnerable to hacking or unauthorized access.

Question 7

In virtual reality (VR),the everyday virtual environment is referred to as the "home environment".

Accepted Answer

The answer of In virtual reality (VR),the everyday virtual environment...

Question 8

Before virtual reality technology,even the best graphics programs used a two-dimensional environment to illustrate a three-dimensional object.

Accepted Answer

Before virtual reality technology, graphics programs were limited to creating two-dimensional representations of three-dimensional objects.

Question 9

Active RFID tags have no internal power supply.

Accepted Answer

Active RFID tags have an internal power supply, which allows them to transmit signals continuously or on demand. Passive RFID tags, on the other hand, rely on the energy harvested from the reader's signal to power their operation.

Question 10

In an exocentric environment,users can interact with objects.

Accepted Answer

The answer of In an exocentric environment,users can interact with...

Question 11

Push technology has been around since the Web first began.

Accepted Answer

Push technology was developed in the mid-1990s, after the Web was already established.

Question 12

Second Life is a virtual world platform developed by Linden Lab that can be used for training employees in situations that would be dangerous,expensive,or unfeasible in the physical world.

Accepted Answer

Second Life is indeed a virtual world platform developed by Linden Lab that has been used for training employees in various industries, including those where physical training could pose risks or be too costly or impractical.

Question 13

Pull technology is effective for both business-to-consumer and business-to-business situations.

Accepted Answer

The answer of Pull technology is effective for both business-to-consumer...

Question 14

Users can use a data mouse in a VR environment to open a dialog box or pull down a menu.

Accepted Answer

The answer of Users can use a data mouse in...

Question 15

The ASP model is highly expensive but,delivers information in a quick manner.

Accepted Answer

The ASP model is not necessarily highly expensive, as it depends on the specific implementation and services being provided. However, it can deliver information quickly due to its reliance on cloud computing technology.

Question 16

A radio frequency identification (RFID)tag provides a unique identification for the card or object carrying the tag.

Accepted Answer

A RFID tag does provide a unique identification for the card or object carrying the tag.

Question 17

Currently,virtual worlds are used most often for military simulation.

Accepted Answer

Virtual worlds are used in various fields, including gaming, education, and social interaction, not just military simulation.

Question 18

People can enter CAVEs in other locations,no matter how far away they are geographically.

Accepted Answer

CAVEs (Cave Automatic Virtual Environment) are virtual reality systems that recreate an immersive experience similar to being in a physical cave. These systems can be accessed remotely, allowing users to enter the virtual environment from anywhere in the world with an internet connection. Therefore, people can enter CAVEs in other locations no matter how far away they are geographically.

Question 19

A quick response code offers a smaller storage capacity compared to standard UPC barcodes.

Accepted Answer

This statement is false. Quick response codes have a larger storage capacity compared to standard UPC barcodes. Quick response codes can store up to 3,000 alphanumeric characters while UPC barcodes can only store up to 20 numeric characters.

Question 20

Head-mounted displays can incorporate stereo sound into a virtual reality environment to make it more convincingly real.

Accepted Answer

Head-mounted displays can come equipped with built-in stereo sound or have the ability to connect with headphones to provide an immersive virtual reality experience.

Quiz 14: Emerging Trends,technologies,and Applications