00330nam a2200133 a 450000500170000008200130001710000200003010000170005024500270006726000350009430000350012949000190016463000130018320251202164323.0  a004bCAR  aCarter, L.R.d_  aHuzan, E.d_  aComputer and their use  aLondonbHodder Stoughtonc1984  aviii, 136 p.bill.c20 cm.bPB  aTeach yourself  aComputer