00292nam a2200109 a 450000500170000002000150001708200190003210000230005124500510007426000380012530000190016320251203091512.0  a0133353249  a519.4,bD, ala  aAlagar, Vangalur S  aFundamentals of computing: theory and practice  aLoNew DelhionbPrentic-Hallc1989  axiv,753p, 22cm