Two Sounds Differ by 30 DB

question 80

Multiple Choice

Two sounds differ by 30 dB.The intensity of the louder sound I_L,compared with the softer I_S,is I_L/I_S.The value of the ratio is

• A)1000
• B)30
• C)9
• D)100
• E)300

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Definitions:

Encrypting

The act of encoding data to keep it secure from unauthorized access, essentially a synonym for encryption but focused on the action.

Backing Up

The process of creating a copy of data from a database or software system to prevent loss of information and facilitate recovery in case of data corruption or hardware failure.

Compacting

Compacting refers to the process of reducing the size of a database or file system by removing unused space, helping to improve efficiency and performance.

Database Passwords

Specific types of passwords used to protect and restrict access to a database, ensuring that only authorized users can access or modify the data.