000			00623nam a22002177a 4500
003			ISURu
008			170223b xxu||||| |||| 00| 0 eng d
020			_a0412403005
041			_aeng
080			_a004.382.7 _bDOW
100			_aDownton, A.C. _9234261
245			_aComputers and microprocessors _bcomponets and systems
250			_a3rd ed.
260			_aLondon _bChapman & Hall _c1984 _g1992
300			_axii, 240 p.
490			_atutorial guides in electronic engineering
650			_aELECTRONIC DIGITAL COMPUTERS
650		0	_aMICROPROCESSORS _999740
942			_2ddc _cL
999			_c190754 _d224141
945			_dMain Library ADMIN _c26318