Answer:
C.
Explanation:
The elements involved in the evaluation of the presentation of a speech includes visual aids, vocal technique, and body language.
Adding vivid pictures in the presentation makes it graphic and proficient. The visual aids in presentation also provides the succinct and clear meaning of the message to the reader.
The vocal technique is another element that adds value in presentation. A speaker's confidence is reflected through his/her tone. It is the speaker's voice that becomes an influential tool that draws the audience's attention.
Body language, like vocal technique, helps in effective delivering of the speech. Body language is a non-verbal form of communicatin that communicates a lot to the audience than one can imagine.
Therefore, option C is correct.
Answer:
The answer is below
Explanation:
An OLTP (Online transaction processing) database is a database that allows for quick transaction processing. It involves inserting, deleting, updating data in the database.
OLTP has many drawbacks like if the system fails, all transactions are going to have problems. Also, since multiple users are allowed to access the data, it makes it prone to hackers.
The solution to the problems associated to the OLTP database is the OLAP (online analytical processing) database.
The OLAP systems allow users to analyze database information from multiple database systems at one time thereby allowing analysis for business decisions.
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