To keep a desktop computer or a server powered up when the electricity goes off in addition to protection against power fluctuations, an <u>uninterruptible power supply (UPS)</u>, which contains a built-in battery, can be used.
<u>Explanation</u>:
An uninterruptible power supply (UPS) is a device that allows a computer or server powered up for a short time, when the electricity goes off. UPS device also provides uninterrupted service during power fluctuation.
A battery is inbuilt in the UPS and provides power for few minutes to the computer to shut down it in a proper manner.
UPS is available at affordable cost and can be maintained at low cost compared to generators.
in america we are free to say most of whatever we want in media becuase we have free speech here. in other countries, they don't have freedom of speech,and sometimes it also has to do with the political situation. like say in china, where teenagers arent allowed to use the internet for more than a certain amount of time,and arent allowed to talk to each other. thats becuase of the fact that that country is a communist country and the government wants much more control than in other countries.
Answer:
C) Session Layer.
Explanation:
OSI model stands for Open Systems Interconnection. The seven layers of OSI model architecture starts from the Hardware Layers (Layers in Hardware Systems) to Software Layers (Layers in Software Systems) and includes the following;
1. Physical Layer
2. Data link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer
Basically, each layer has its unique functionality which is responsible for the proper functioning of the communication services.
Session layer is the layer of an Open Systems Interconnection (OSI) model which describes how data between applications is synced and recovered if messages don't arrive intact at the receiving application.
Answer:
third partying and computer hackers.
Explanation:
Answer: squared ← number * number
Explanation: