There are two common types for data access or retrieval
1. Sequential access is the main access mode only in batch systems, whereas files are used and updated at regular intervals.
2. Direct access - on-line processing requires direct access, whereby a record can be accessed without accessing the records between it and beginning of the file.
Answer:
Sequential is better
Explanation:
Sequential is more organized while the more easier to make but less dependable one is random.
sequential is used for things such as date of birth, or where someone was born.
you can't do that with a random file.
Caesar cipher is a very common type of substitution cipher where each letter in the plaintext is moved or shifted to a known number of places down the alphabet.
The type of cipher is this is ROT13
- ROT13ROT13 is a simple letter substitution cipher. It functions by the replacement of a letter with the 13th letter after it in the alphabet. It is commonly known as Caesar cipher used in ancient Rome
Conclusively we can say that ROT13 is a commonly known Caesar cipher that replaces a letter with the 13th letter after it in the alphabet.
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