A genomic research facility compresses raw DNA sequence data files (consisting of sequences of the characters A,C,G, A, C, G,\,A,C,G, and TTT) for long-term storage. When these files are decompressed for clinical analysis, the nucleotide sequences must be completely identical to the original data, with zero tolerance for any altered or missing base pairs.
State the category of compression that must be used for this purpose.
Practise Edexcel GCSE Computer Science Data storage and compression with exam-style questions for GCSE Computer Science. 50 questions covering Binary multiples and file size calculations and Need for and methods of compression, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.