Answer:
The answer is "Block scope".
Explanation:
In the programming, the scope is a code, in which it provides the variable ability to exist and not be retrieved beyond variable. In this, the variables could be defined in 3 locations, that can be described as follows:
- Inside a method or the block, which is also known as a local variable.
- Outside of the method scope, which is also known as a global variable.
- Defining parameters for functions known as formal parameters.
Answer:
Array: (a) All the messages a user has sent.
Variable: (b) The highest score a use has reached on the app. (c) A username and password to unlock the app.
Explanation:
An array generally has more than one value whereas a variable can only contain a single value at any particular point in time. In addition, a variable has a limit whereas an array does not have any maximum limit. Therefore, it can be concluded that option (a) will be stored as an array while options (b) and (c) will be stored as variables.
Answer:
E. New technology is beneficial but can also be used in a detrimental way.
Explanation:
New technology such as cryptocurrency (powered by blockchain technology) can be regarded as a welcome development that has benefited the society in so many good ways. However, cryptocurrency as a new technology also has disadvantages it presents to the society. One of such negative influence cryptocurrency has is that it can be used for illicit activities such as money laundering, funding terrorism and so on.
So, in summary, we can conclude that:
"New technology is beneficial but can also be used in a detrimental way."
Answer:
Natural systems are already in place while man made systems were created by humans manipulating things in some way.
Explanation:
man made: human created
natural systems: existed without interference
