00491nam a22001337a 4500020002100000082001300021100002000034245003000054260006400084300003600148650014900184942000700333999001700340 a0071231013 (pbk) a004bNOR aNorton's, Peter aIntroduction to computers aNew DelhibTata McGraw-Hill Education Private Limitedc2003 axxxvi, 588 p.b: ill.c; 23 cm. aComputer sciencevComputer systemsvApplication softwarevMainframe computersvMini computersvOutput devicesvGraphics softwarevFCvRCRSvRIPS cBK c16898d16898