Answer: The component that is used for most amplifiers is the transistor. Semiconductors like gold,copper etc. are used although poor semiconductors like silicon are sometimes used as well. There are many electronic circuits that all under the amplifier category. The classification of an amplifier depends on the size of the signal and configuration.
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:
Decode. To change how information is represented so that it can be read by a person.
Explanation:
Decoding is the ability to apply your knowledge of letter-sound relationships, including knowledge of letter patterns, to correctly pronounce written words. Understanding these relationships gives children the ability to recognize familiar words quickly and to figure out words they haven't seen before.