What is ASCII Code?

ASCII means American Standard Code for Information Interchange. It is a system that changes letters, numbers, and symbols into numbers, so computers can understand them. Examples: A → 65 a → 97 0 → 48 @ → 64 Computers cannot understand text directly They understand only numbers So, ASCII helps convert characters into numbers. Why was ASCII introduced? Before ASCII, each computer had its own way of storing characters This created problems when sharing data between computers. Problems before ASCII: Different systems used different codes Same character had different meanings Data sharing was difficult Solution: ASCII ASCII was introduced to: Standardize characters Same number for same character everywhere Make data sharing easy Files can be opened in different systems Improve communication Helpful in early internet and networking ASCII range = 0 to 127 0–31 → Control characters 32–126 → Printable characters 127 → Delete Printable Characters (32–126) These are visible characters: 32 → Spac