Cryptography is study of _______________?
Correct answer: B. Secret Writing
- A. Skulls
- B. Secret Writing
- C. Cells
- D. None of these
Explanation
Cryptography is the science of protecting information by converting it into coded or secret form, then allowing authorized recovery. It is therefore linked with secret writing, not the study of cells or skulls.
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About Inventions and Discoveries
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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