Answer:
The question is invalid; there are many types of computer user. Why on earth do you think there are five?
From the top of my head.
Casual- someone at home browsing the web, reading email.
IT Consultant. Advising people.
Software developer- writing software
Secretary - manages email for a company
Academic. Writing research papers.
Monitors. Monitor a computer system.
That’s six off the top of my head. There are probably a dozen more. So why do you think there are five?
Answer:
Open a file when the program needs to work with it and close the file as soon as you have finished using it.
Explanation:
In programming, we have some files that are stored in memory, or created in some other section of the program to save information.
<u><em>for example</em></u>, we want to save the data of a class or school faculty to create a database. For this purpose I need to create a file.
As the files that we will create may contains data, these files will utilize computer resources such as, memory (RAM, Cache) and other resources. While programming, we need these resources as well.
<em>Therefore, It is necessary to open a file when the program needs to work with it and close the file as soon as we have finished using it. The reason is that, it takes computer resources which are limited. </em>
B. Because conditional statements have an IF before stating the condition
