00450nam a22001577a 450000500170000001000140001702000260003103500130005703700130007008200110008310000120009424500490010626000390015527000750019430000230026920100728123544.0  aENG-97206  a9788190814515c110.00  aEN-80739  bDBAD/PUB  a621.39  aHema, S  aPrinciples of digital computer /cby S. Hema  aChennaibAkshay Publicationsc2008  a H.O MIG 122, 8th Cross Street, Mugapair West Garden bChennaie600037  a151 pc20 cm.(pbk)