Answer:
A logical unit of a system.
Explanation:
i'm thinking your are talking about system layers such as the ISO? Layers help identify the order of how the whole system works.
Answer:
I believe "..." means that you need to go further in depth with your writing.
I'd go with command-line interface.
A CLI enables users to type commands in a console or a terminal window expressed as a sequence of characters and presses the enter key on the keyboard to execute that command. And in this case, Sarah is typing an “open document 3” command to the command-line interface to open a file in her computer.
An unfavorable opinion or feeling formed beforehand or without knowledge, thought, or reason.
2.
any preconceived opinion or feeling, either favorable or unfavorable.
3.
unreasonable feelings, opinions, or attitudes, especially of a hostile nature, regarding an ethnic, racial, social, or religious group.
4.
such attitudes considered collectively:
The war against prejudice is never-ending.
5.
damage or injury; detriment:
a law that operated to the prejudice of the majority.