-- card: 98326 from stack: in
-- bmap block id: 98611
-- flags: 0000
-- background id: 96550
-- name: definition3


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-- high flags: 0000
-- rect: left=128 top=70 right=89 bottom=509
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
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-- font id: 158
-- text size: 14
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-- line height: 16
-- part name: subHeader


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Terms and Concepts


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Apple Macintosh SE/30

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The Read-Only Memory (ROM) chips in Macintosh computers store most of the programming routines that make the Macintosh interface so fast and easy-to-use. 

For example, the filing system of folders within folders, called Hierarchical Filing System (HFS) provides distinct subdirectories into which applications and documents can be filed. Applications stored in folders can be used from and store files to any other folder. The HFS system also enables the Finder to track file locations and display folder contents quickly.

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What’s in the Macintosh ROM?