midterm2 - Name: CIS 586 Midterm 2 April 9 th , 2009 Answer...

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Unformatted text preview: Name: CIS 586 Midterm 2 April 9 th , 2009 Answer all questions in the space provided. You may write on the back if you need more room. Closed book, closed notes, closed neighbor. Please write your name on each page. Question 1 / 30 pts Question 2 / 5 pts Question 3 / 5 pts Question 4 / 20 pts Question 5 /5 pts Question 6 /20 pts Question 7 /15 pts Total / pts 1 Question 1) Given a 32-bit addressable CPU, a pagesize of 4KB, a page entry size of 8 bytes, and a ram size of 1GB answer the following questions. You can leave your answers in the form 2 x (where you would give x ). a) (5) How big is the (maximum) virtual address space? 2 32 b) (5) How many entries are there in the page table (assuming the maximum virtual address space size)? 2 32 2 12 = 2 20 c) (5) How large (in bytes) would the page table be? 2 20 * 8(2 3 ) = 2 23 . d) (5) How large (in bytes) would an inverted page table be? One entry in the inverted page table per physical page frame in RAM. 2 30 / 2 12 = 2 18 * 8(2 3 ) = 2 21 e) (10) Using a two level multi-level page table where each second- level page table would be a page-size large, what would an address look like?...
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This note was uploaded on 04/02/2012 for the course CIS 486 taught by Professor Mcsweeney during the Spring '10 term at Syracuse.

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midterm2 - Name: CIS 586 Midterm 2 April 9 th , 2009 Answer...

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