Which of the following is not related to computer

In the context of ADTs, what does "encapsulation" refer to?

What is the primary purpose of HTML5?

attributes may contain more than one values.

Which classic dynamic programming problem involves finding the shortest path in a weighted, directed graph?

Standard C library functions will always invoke a system call when executed from a single-threaded process in a UNIX/Linux operating system?

Relational Algebra is

the functions of data warehouse tools and utilities.

What does below UNIX command do?

cat filename

What is the main advantage of using NoSQL databases for big data storage over traditional relational databases?

Which operator is used to allocate dynamic memory in C++?