KOMPRESI DAN DEKOMPRESI FILE DENGAN MENGGUNAKAN ALGORITMA HALF-BYTE
AbstractFile compression problem is one important aspect of information technology
development. Compression is used for various purposes including: data backup, data
transfer, and one part of data security. The size of files sometimes become obstacles in the
delivery of this data. Large file transfer will take longer than the file size
smaller.Sometimes there is a risk can not be accommodated on a storage medium and not
tersampaikannya, so that will minimize the vacant capacity in the memory
storage medium. Therefore, humans are always trying to find an alternative way to handle
this problem, one with compression techniques or reduce the file size.
The expected benefits of this research is the acquisition capacity or a smaller file
size and compare the ratio of original file size with file compression using the Half-Byte
Research carried out by using the Half-Byte algorithm that utilizes four bits to the
left which is often similar in sequence, especially in a text file. When the characters the
same first four bits received in a row seven times or more, these algorithms compress data
with a marker bit and then the first characters of the same row of four bits followed by a
pair last four bits of the next row and covered with bits of cover.
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