Answer:A) Create collisions
Explanation: Hash codes are the numeric codes present in the programming infrastructures which are responsible for focusing on the object while the equality testing is in process. Hash codes does not display the property of having a permanent value.
When there is the creation of the duplicate hash codes then ,chances of collision arise because they search for the particular object and cannot have the same numeric value.
<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:
Yes, the purpose of a database in a way is to stop people from using spreadsheets but, it is also so much more.
Explanation:
<u>Databases</u> are a vastly improved form of a spreadsheet. They allow Computer Scientists to automatize a company's information. Giving them the ability to instantly add, retrieve, and modify specific information within a database of hundreds or even thousands of entries. All this with little or no human input. Thus saving a company time and money as opposed to using a regular spreadsheet which requires manual input from an employee.
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Hi!
This is most likely going to be a back-end web developer. A back-end web developer focuses on the server-side scripting behind Web applications.
They will also have extensive knowledge regarding the database used for the application at hand!
Hopefully, this helps! =)
