000			004910000a22001810004500
245			_aComputers and microprocessors : components and systems
100			_aDownton, A.C.
250			_a3d ed.
260			_aLondon _bChapman & Hall _c1992
300			_axii, 240p. : ill.
440			_aTutorial guides in electronic engineering ; no. 04
020			_a0412403005
080			_a004.31 _bD6
650			_aCOMPUTERS, MICROPROCESSOR
650			_aCOMPUTERS
041			_aEN
942			_cBK
999			_c61418 _d61418