{"id":1601,"date":"2023-02-16T21:35:38","date_gmt":"2023-02-16T21:35:38","guid":{"rendered":"https:\/\/www.goodacademic.com\/blog\/questions\/i-o-management-techniques\/"},"modified":"2023-02-16T21:35:38","modified_gmt":"2023-02-16T21:35:38","slug":"i-o-management-techniques","status":"publish","type":"questions","link":"https:\/\/www.goodacademic.com\/blog\/questions\/i-o-management-techniques\/","title":{"rendered":"I\/O Management Techniques"},"content":{"rendered":"<p><strong>Question 1:<\/strong><\/p>\n<p><strong>Consider the following I\/O scenarios on a single-user PC:<\/strong>&nbsp;<\/p>\n<p>a. A mouse used with a graphical user interface&nbsp;<\/p>\n<p>b. A tape drive on a multitasking operating system (with no device preallocation available)<\/p>\n<p>&nbsp;c. A disk drive containing user files d. A graphics card with direct bus connection, accessible through memory-mapped I\/O&nbsp;<\/p>\n<p><strong>For each of these scenarios, would you design the operating system to use buffering, spooling, caching, or a combination? Would you use polled I\/O or interrupt-driven I\/O? Give reasons for your choices.<\/strong><\/p>\n<p><strong>Question 2:<\/strong><\/p>\n<p><strong>Describe three circumstances under which blocking I\/O should be used. Describe three circumstances under which nonblocking I\/O should be used. Why not just implement nonblocking I\/O and have processes busy-wait until their devices are ready?&nbsp;<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question 1: Consider the following I\/O scenarios on a single-user PC:&nbsp; a. A mouse used with a graphical user interface&nbsp; b. A tape drive on a multitasking operating system (with no device preallocation available) &nbsp;c. A disk drive containing user files d. A graphics card with direct bus connection, accessible through memory-mapped I\/O&nbsp; For each [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"disciplines":[211],"paper_types":[],"tagged":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions\/1601"}],"collection":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions"}],"about":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/types\/questions"}],"author":[{"embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/comments?post=1601"}],"version-history":[{"count":0,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions\/1601\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/media?parent=1601"}],"wp:term":[{"taxonomy":"disciplines","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/disciplines?post=1601"},{"taxonomy":"paper_types","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/paper_types?post=1601"},{"taxonomy":"tagged","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/tagged?post=1601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}