Answer:
All those options, just described computer science so be specific.
noun
a word, phrase, or sequence that reads the same backward as forward,
So eg.
taco cat backwards is taco cat
Computers are the excellent means for storage of patient related data.It is often necessary to maintain detailed records of the medical history of patients. Doctors often require the information about a patient's family history, physical ailments, already diagnosed diseases and prescribed medicines.
In microsoft powerpoint there are 2 or two standard colors for text in a theme. If you use a theme on your presentation, a theme is always equipped with two types of colors for the text, because it gives you more options on what color suits your text and blends with the theme perfectly.