7. ซซซซซซซซซซซซซซซซซซซซซ ซซซซซซซซซซซซซซ
ซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซ ซซซ
ซ ซซซซซซซซซซซซซซซซซซซซซซซซซซซซซ ซซซซ
ซซซซซซซซซซซซซซซซซซซซซซซ ซซซซซซซซซซซซ
ซซซซซซซซซซซซซซ (Operating System Software)
ซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซ
Window Me , Windows XP
pplication Software)
ซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซซ
Microsoft Word, Microsoft Excel,
Microsoft PowerPoint, Photoshop