Answer:

<em><u>A Medication Administration Record (MAR, or eMAR for electronic versions), commonly referred to as a drug chart, is the report that serves as a legal record of the drugs administered to a patient at a facility by a health care professional. The MAR is a part of a patient's permanent record on their medical chart</u></em>
Answer:
Without it information flow is impossible
Explanation:
The word 'pivotal' also means crucial or vital, and so we need to consider what an operating system actually does.
Remember, merely having all the hardware of a computer would not allow you to run (install and use) programs. It is by means of an operating system that teaching programs can be installed, and it is also by means of an operating system learning can take place.
For example, a student can decode (learn) instructions/lessons from his teacher via a software program; and the software program needs an operating system to open (run) the program.
<u>Answer:</u>
<em>Black and white</em>:
It has only two values namely black or white. The white colour in the image will be represented as “white” and other colour part will be displayed as black.
<em>Grey-scale: </em>
Again the white part does not have a change, the black and other coloured items will be displayed in grey.
<em>Coloured image: </em>
It would display the actual colour of the image. The number of colours and shades depends on the original image from where actually it has been shooted and it also depends on the quality of the camera.