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.
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Answer:d)Use online databases to update and backup the data.
Explanation: Data backup is the creation of copy of the data to be stored in the secondary memory.This data is utilized when the data is lost or deleted from original positional and thus gets restored . Database are used for the updating the backed-up data on online mode.
Other options are incorrect because it does not creates copies for the offices members to take home, no data storage is created in following organization and does not store data in external disk.Thus, the correct option is option(d).
Answer:
#include<studio.h>
#include<conio.h>
void main()
{
char ch;
printf("Enter any letter");
scanf("%c",&ch);
Potential uploaded viruses, personal information being lost, blackmail, identity theft.
