00366nam a2200121Ia 4500008004000000020001800040082001800058100002900076245005400105260005100159300001200210650002200222210210b1981   xxu||||| |||| 00| 0 eng d  a0 7131 3426 7  a621.3817 HEFB  aHEFFER (D E) and others.  aBasic principles and practice of microprocessors.  aNew Delhi.bOxford & IBH Publishers Co.,c1981  avii,200  aMicroprocessors