Answer:
b, c and d can't occur.
Explanation:
Order is preserved in queue. Option A is order preserving so only it will occur.
Answer: Literacy means the ability to understand about a particular skill or discipline.
Explanation:
Media literacy: This is attaining the knowledge of mass media and broadcasting industry.
Information literacy: It helps in discover of necessary information, understanding of information and application of information for various purposes.
Technology literacy: The ability or understanding to explore new technology and its application for various fields.
I’m not to sure what this is asking, if by selecting word- it means the word is already left-click selected, so it would be option 3. If not, then it would be option 2 I believe