Answer:
D. Application computers
Explanation:
Application are a set of software programs that run on your computer. These programs are designed to perform specific tasks. These task can range from writing a book on CompTIA A+ certification to talking with someone, with full audio and video.
Option D is the answer.
Option A is rejected because in centralized communication notwork there is no free flow of communication in all directions ( all direction means between all the groups or layers of the network).
Option B is not the answer because centralized and decentralized networks has nothing to do with the size of organizations.
Option C is rejected because decision making process depends on the hard work and technical skills of groups of an organization about a field but not by the network discipline.
Option D is selected because in centralized network the information or decision making power is primarily limited to the upper level or higher members of organization and as mentioned decentralized decides on the basis of decision of all the groups or levels of the network.
<u>The Virus:</u>
A virus can be defined as a malicious program, that breaks into the computer without the consent of the user and sometimes even without the knowledge of the user. Viruses are also of different types and categories.
There are certain kinds of malware and spyware that enter a computer and start encrypting the user's data. Generally, a user gets to know about the existence of a virus when the computer programs begin to misbehave. Some files get corrupted and the user can't access them anymore.
Some files and programs may also get deleted as if they weren't even present on the system. But in case someone has installed good anti-virus software, they will get a notification as soon as some file containing some kind of virus enters the computer.
Answer:
The correct answer to the following question will be Option A "Network Attached Storage (NAS)".
Explanation:
- Network-connected storage is indeed a document-level data storage server based to a communications network providing information accessibility to a heterogeneous collection of users.
- The NAS is experienced in supporting files by hardware, code or modification.
The other three option are not able to perform such type of tasks. Therefore, Option A is the right answer.
Answer:
Explanation:
Computer accepts some data for its processing, that data is called input. The hardware component which allows user to enter data and instruction into a computer is called input device.