Answer: A. speed up or slow down briefly 
Explanation:
put that and then i saw someone said b and it was wrong and i got mad because it was the only answer i got wrong. but it’s a 
 
        
                    
             
        
        
        
Answer:
D.  a studio monitor
Explanation:
A studio monitor is an electrical equipment that is used to enhance the quality of sound or music. It work like a speaker that can be used professionals to record audio songs, to make films and some other applications with good quality. It is usually used in studios where producer must ensures that the quality of music. As in music industry the quality of music depends on the quality of instrument used for the purpose of recording.
<em>This is the reason that, Jimmy and his friends should choose a Studio Monitor to achieve the most accurate sound quality.</em>
 
        
             
        
        
        
Answer: clip art
Explanation:
- The clip arts are graphic images that are pre-made illustrations for the purpose of creating any medium (designs or art). 
- It has no restrictions to use them, it can be used by anyone, hence its copyright-free.
- It comes in both electronic and printed form.
- But mostly they are designed and distributed and used by a person in an electronic form.
Hence, the complete statement is "Pre-made, copyright-free illustrations are called <u>clip art</u>".
 
 
        
             
        
        
        
Answer:
Option B is not correct
Explanation:
Dialogues become problematic when they appear automatically because of high level incompatibility
 
        
             
        
        
        
Answer:
3.WDM
Explanation:
WDM ( wavelength division multiplexing ) involves signals composed of light beams WDM is used in communication where fibers are used it is used for multiplexing of number of carrier signals  which are made of optical fibers by using different wavelength of laser light it has different wavelength so this WDM is used for signals composed of light beams it has property of multiplexing of signal