alleryएक साधारण प्रतिस्थापन सिफर (simple substitution cipher) किस इकाई पर कार्य करता है?
Aअक्षरों के जोड़े
Bसंपूर्ण वाक्य
Cएकल अक्षर
Dअक्षरों के त्रिक
Answer & Solution
Correct answer: C. एकल अक्षर
एक समय में एक अक्षर पर कार्य करने वाले सिफर को साधारण प्रतिस्थापन सिफर कहा जाता है।
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