Concept:Software programs are classified into two main types: application programs and system programs.
Explanation:Application programs are user-oriented programs that perform specific tasks such as typing, browsing the internet, or editing documents.
System programs manage computer hardware and provide the platform that allows application programs to run.
These two classes are the standard types of software programs for this topic.
A logical program is not a recognised classification of software, so option C is incorrect.
Therefore, the correct choice is the option that combines the two recognised program types.
Answer:D. both A and B