div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=publication2-the-centre-for-computing-a-downloads-a-1535897733-a-exidypdfhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: Publication2 - The Centre for Computing History › downloads › 1535897733 › exidypdf · 35 Permanent IO errors can be caused by the drive unit malfunct ion controller malfunct loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220424025f10d2ec7e708231d44afdbahtml5thumbnails17jpg width=140 height=200 divdiv