Well it could possibly be two things. 
Either it's like a standard protocol for communication between electronic musical instruments and computers.
Or
It's a Musical Interface Digital something or other.
        
             
        
        
        
U shouldnt be watching them, Idc how old u are.
        
             
        
        
        
Answer:
B. Malware
Explanation:
Malware is general to most harmful programs on a computer, as Adware is a potentially unwanted program that is designed to advertise other programs or services. And ransomware is a program that will encrypt important user files such as; documents, pictures, and videos. Spyware is a program that is designed to spy on users, examples are; using your camera without your consent, key-loggers, and taking screenshots of our desktop. Thus i believe it is malware because the question covers multiple categories.
 
        
             
        
        
        
Answer:
d. They serve to help educate users on how to use software more securely. 
Explanation:
A software policy can be defined as a set of formally written statements that defines how a software application or program is to be used. 
The purpose of application software policies is that they serve to help educate users on how to use software more securely. It must be easy to read, learn and understand by the end users. 
 
        
             
        
        
        
Prime rate + credit history (APEX)