00355nam a22001457a 450000500170000000800410001702000170005804100080007508200150008310000170009824500430011525000110015826000320016930000080020120180131153334.0160427b        xxu||||| |||| 00| 0 eng d  a81-8209245-0  aeng  b00392a004  aLeon, Alexis  aFundamentals of Information Technology  a2nd ed  aChennaibLeon Press, c2009  a578