SSC CGL Exam > SSC CGL Videos > SSC CGL Tier 2 - Study Material, Online Tests, Previous Year > Coding & Decoding
Coding & Decoding Video Lecture | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
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FAQs on Coding & Decoding Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
| 1. What is coding and decoding? |  |
Ans. Coding and decoding are methods used to encrypt and decrypt messages. In coding, a message is converted into a secret code, while in decoding, the code is converted back into the original message.
| 2. How is coding and decoding useful in computer programming? | |
Ans. Coding and decoding are essential concepts in computer programming as they are used to secure data and prevent unauthorized access. They are also used in various encryption algorithms to ensure the confidentiality of data.
| 3. What are some common methods of coding and decoding? | |
Ans. Some common methods of coding and decoding include substitution ciphers, transposition ciphers, and block ciphers. Substitution ciphers involve replacing each letter in a message with a different letter or symbol. Transposition ciphers involve rearranging the letters in a message. Block ciphers involve dividing the message into blocks of a fixed size and then applying a cryptographic algorithm to each block.
| 4. Can coding and decoding be used for communication between humans? | |
Ans. Yes, coding and decoding can be used for communication between humans. This can be done using various codes and ciphers, such as Morse code, which involves using dots and dashes to represent letters and numbers.
| 5. How can one learn coding and decoding? | |
Ans. There are many resources available for learning coding and decoding, including online tutorials, books, and courses. It is also helpful to practice by creating and solving codes and ciphers.
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