C: a different atomic mass
OMR, OCR and MICR are all types of character and mark recognition devices. They are scanners <span>that are able to recognize special </span>characters and marks<span>.
</span>OMR stands for Optical Mark Recognition,which <span>senses the presence or absence of a mark.</span>
OCR stands for Optical Character recognition, which reads special preprinted characters by light source.<span>
MICR stands for Magnetic Ink Character Recognition, where </span><span>machine reads character made of ink containing magnetized particles.
</span>
The second one
01111
This is because a computer uses binary and only understands two digits which consit of 1 and 0
Answer: Hierarchical structure
Explanation:
The hierarchical structure is the most preferred structure for an organisation. As more and more people join an organisation with the passage of time we can clearly see the different links between the persons and the their hierarchical level to the organisation. In this process it becomes easier to manage the people at the various levels.