Ch 14

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1
With _____ technology, a Web server delivers information to users, who have signed up for the service, instead of waiting for them to request the information be sent to them.
push
2
With the _____ model, users do not need to be concerned with new software versions and compatibility problems because the application service providers (ASPs) offer the most recent version of the software.
software as a service 
3
Which of the following is true of a cave automatic virtual environment (CAVE)?
It consists of a cube-shaped room in which the walls are rear-projection screens.
4
Parallel processing is one advantage of _____.
grid computing 
5
A _____ cloud allows an organization to take advantage of the scalability and cost-effectiveness that a public cloud computing environment offers without exposing mission-critical applications and data to the outside world.
hybrid
6
In which environment is a user is totally immersed in the virtual reality (VR) world?
egocentric
7
_____ computing is the provision of IT services on demand.
Utility 
8
In a blockchain environment, the distributed network is protected through _____ that makes the network accessible only to the authorized users.
encryption technology
9
The main difference among an electronic payment system and cryptocurrency is not having a(n) ____ between the sender and receiver. 
third party such as a bank or a financial institution 
10
With _____ computing, users can make use of other computers’ resources within an organization to solve problems involving large-scale, complex calculations, such as circuit analysis or mechanical design-problems that a single computer is not capable of solving in a timely manner.
grid 
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