{"id":713,"date":"2023-02-10T12:59:48","date_gmt":"2023-02-10T12:59:48","guid":{"rendered":"https:\/\/www.goodacademic.com\/blog\/questions\/computer-architecture-feb-10\/"},"modified":"2023-02-10T12:59:48","modified_gmt":"2023-02-10T12:59:48","slug":"computer-architecture-feb-10","status":"publish","type":"questions","link":"https:\/\/www.goodacademic.com\/blog\/questions\/computer-architecture-feb-10\/","title":{"rendered":"computer architecture FEB 10"},"content":{"rendered":"<p><strong>Question 1(10 Points)<\/strong><\/p>\n<p><strong>What are the advantages of using a glass substrate for a magnetic disk?&nbsp;<\/strong><\/p>\n<p><strong>Question 2 (10 Points)<\/strong><\/p>\n<p><strong>Explain serpentine recording.&nbsp;<\/strong><\/p>\n<p><strong>3.Explain the difference between a simple CAV system and a multiple zone recording system.&nbsp;<\/strong><\/p>\n<p><strong>4.What differences between a CD and a DVD account for the larger capacity of the&nbsp;<\/strong><\/p>\n<p><strong>DVD?&nbsp;<\/strong><\/p>\n<p><strong>5.Consider a single-platter disk with the following parameters:<\/strong><\/p>\n<ul>\n<li><strong>Rotation speed:<\/strong>&nbsp;7200 rpm;&nbsp;<\/li>\n<li><strong>Number of tracks on one side of platter:<\/strong>&nbsp;30,000<\/li>\n<li><strong>Number of sectors per track<\/strong>: 600;&nbsp;<\/li>\n<li><strong>Seek time:<\/strong>&nbsp;one ms for every hundred tracks traversed.&nbsp;<\/li>\n<li><strong>Assumption:&nbsp;<\/strong>Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.<\/li>\n<\/ul>\n<p><strong>&nbsp;What is the average seek time?&nbsp;<\/strong><\/p>\n<p><strong>***<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>6.<\/strong><\/em><strong>Consider a single-platter disk with the following parameters:<\/strong><\/p>\n<ul>\n<li><strong>Rotation speed:<\/strong>&nbsp;7200 rpm;&nbsp;<\/li>\n<li><strong>Number of tracks on one side of platter:<\/strong>&nbsp;30,000<\/li>\n<li><strong>Number of sectors per track<\/strong>: 600;&nbsp;<\/li>\n<li><strong>Seek time:<\/strong>&nbsp;one ms for every hundred tracks traversed.&nbsp;<\/li>\n<li><strong>Assumption:&nbsp;<\/strong>Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.<\/li>\n<\/ul>\n<p><strong>What is the average rotational latency?<\/strong><\/p>\n<p><strong>***<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>7.<\/strong><\/em><strong>Consider a single-platter disk with the following parameters:<\/strong><\/p>\n<ul>\n<li><strong>Rotation speed:<\/strong>&nbsp;7200 rpm;&nbsp;<\/li>\n<li><strong>Number of tracks on one side of platter:<\/strong>&nbsp;30,000<\/li>\n<li><strong>Number of sectors per track<\/strong>: 600;&nbsp;<\/li>\n<li><strong>Seek time:<\/strong>&nbsp;one ms for every hundred tracks traversed.&nbsp;<\/li>\n<li><strong>Assumption:&nbsp;<\/strong>Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.<\/li>\n<\/ul>\n<p><strong>What is the transfer time for a sector?<\/strong><\/p>\n<p><strong>***<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>8.<\/strong><\/em><strong>Consider a single-platter disk with the following parameters:<\/strong><\/p>\n<ul>\n<li><strong>Rotation speed:<\/strong>&nbsp;7200 rpm;&nbsp;<\/li>\n<li><strong>Number of tracks on one side of platter:<\/strong>&nbsp;30,000<\/li>\n<li><strong>Number of sectors per track<\/strong>: 600;&nbsp;<\/li>\n<li><strong>Seek time:<\/strong>&nbsp;one ms for every hundred tracks traversed.&nbsp;<\/li>\n<li><strong>Assumption:&nbsp;<\/strong>Let the disk receive a request to access a random sector on a random track and assume the disk head starts at track 0.<\/li>\n<\/ul>\n<p><strong>What is the total average time to satisfy a request?&nbsp;<\/strong><\/p>\n<p><strong>***<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>9.<\/strong><\/em><strong>Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track.&nbsp;<\/strong><\/p>\n<ul>\n<li>Sector size = 1 kB.&nbsp;<\/li>\n<li>Average seek time = 8 ms,&nbsp;<\/li>\n<li>Track-to-track access time = 1.5 ms,&nbsp;<\/li>\n<li>Drive rotates at 3600 rpm.&nbsp;<\/li>\n<li><strong>Successive tracks in a cylinder can be read without head movement.&nbsp;<\/strong><\/li>\n<\/ul>\n<p><strong>What is the disk capacity?<\/strong><\/p>\n<p><strong>**<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>10.<\/strong><\/em><strong>Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track.&nbsp;<\/strong>\n<\/p>\n<ul>\n<li><strong>Sector size = 1 kB.&nbsp;<\/strong><\/li>\n<li><strong>Average seek time = 8 ms,&nbsp;<\/strong><\/li>\n<li><strong>Track-to-track access time = 1.5 ms,&nbsp;<\/strong><\/li>\n<li><strong>Drive rotates at 3600 rpm.&nbsp;<\/strong><\/li>\n<li><strong>Successive tracks in a cylinder can be read without head movement.&nbsp;<\/strong><\/li>\n<li><strong>What is the average access time?<\/strong><br \/>\n<strong>**<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em>&nbsp;<\/li>\n<\/ul>\n<p>11. <strong>Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track.&nbsp;<\/strong><\/p>\n<ul>\n<li><strong>Sector size = 1 kB.&nbsp;<\/strong><\/li>\n<li><strong>Average seek time = 8 ms,&nbsp;<\/strong><\/li>\n<li><strong>Track-to-track access time = 1.5 ms,&nbsp;<\/strong><\/li>\n<li><strong>Drive rotates at 3600 rpm.&nbsp;<\/strong><\/li>\n<li><strong>Successive tracks in a cylinder can be read without head movement.&nbsp;<\/strong><\/li>\n<\/ul>\n<p><strong>Assume this file is stored in successive sectors &amp; tracks of successive cylinders, starting at sector 0, track 0, of cylinder&nbsp;<\/strong><em><strong>i<\/strong><\/em><strong>.&nbsp;<\/strong><\/p>\n<p><strong>Estimate the time required to transfer a 5-MB file.<\/strong><\/p>\n<p><strong>**<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n<p><em><strong>12. <\/strong><\/em><strong>Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track.&nbsp;<\/strong><\/p>\n<ul>\n<li><strong>Sector size = 1 kB.&nbsp;<\/strong><\/li>\n<li><strong>Average seek time = 8 ms,&nbsp;<\/strong><\/li>\n<li><strong>Track-to-track access time = 1.5 ms,&nbsp;<\/strong><\/li>\n<li><strong>Drive rotates at 3600 rpm.&nbsp;<\/strong><\/li>\n<li><strong>Successive tracks in a cylinder can be read without head movement.&nbsp;<\/strong><\/li>\n<\/ul>\n<p><strong>What is the burst transfer rate?&nbsp;<\/strong><\/p>\n<p><strong>**<\/strong><em><strong>Explain your reasoning and show your mathematical calculations on how you derived your answer&nbsp;<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question 1(10 Points) What are the advantages of using a glass substrate for a magnetic disk?&nbsp; Question 2 (10 Points) Explain serpentine recording.&nbsp; 3.Explain the difference between a simple CAV system and a multiple zone recording system.&nbsp; 4.What differences between a CD and a DVD account for the larger capacity of the&nbsp; DVD?&nbsp; 5.Consider a [&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\/713"}],"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=713"}],"version-history":[{"count":0,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions\/713\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/media?parent=713"}],"wp:term":[{"taxonomy":"disciplines","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/disciplines?post=713"},{"taxonomy":"paper_types","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/paper_types?post=713"},{"taxonomy":"tagged","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/tagged?post=713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}