Printable worksheet ยท 4 of 4
Smaller representations have trade-offs - Paper 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Toy run-length encoding: replace each run by its count then letter, with counts restricted to one digit. Original string 'OOOPPPP'. An alternative lossy rule keeps just the different letters once each. Count one character per letter or digit; this is a teaching code, not a complete real file format.
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