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Answer the following.
State any one application of an encoder.
Answer
Answer
AIApplication of an encoder: used in keyboard encoders — to convert the key pressed by the user (a decimal/alphanumeric character) into its equivalent binary (e.g. ASCII) code for the computer to process. (Other valid answers: priority encoders in interrupt-handling systems, decimal-to-BCD encoders in calculators.)
From ISC 2026 Improvement Computer Science Paper 1, question 3(i)(c).