Computer Basic Information
Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. Which of the following is not a character reader?

MICR
OMR
LCD
None of these
OCR

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Computer Basic Information
What is backup?

Adding more components to your network
Filtering old data from the new data
None of these
Accessing data on tape
Protecting data by copying it from the original source to a different destination

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