00454nam a22001217a 4500020002400000082001300024100003600037245004300073260005300116300003400169500002000203650010900223  a9788131760291 (pbk)  a004bINT  aITL Education Solutions Limited  aIntroduction to information technology  aNoidabDorling Kindersley (India) Pvt. Ltdc2018  axxx, 757 p.b: ill.c; 23 cm.  aIncludes index.  aManagement information systemvCentral processingvOperating system vStorage devicesvMagnetic diskvFC