00503nam a22002057a 4500999001300000005001700013020001900030020001500049040000800064082002200072100002400094245002000118250001200138260005300150300002200203521001900225650002900244760001200273942001200285  c101d10120190319100939.0  a 9788186340745  a8186340742  cAEF  21st ed.a004bBAS10aBasndra, S. K.91081 aComputer today.  a1sr ed.  aNew Delhi.bGalgotia Publication pvt.Ltd.c2008.  a1441 p. :c27 cm.  aInclude index.  aInformation systems.998  b1st ed.  2ddccBK