Computer Architecture: Virtual Memory (Q1) In case of a TLB Miss, what would hap

Question

Computer Architecture: Virtual Memory

(Q1) In case of a TLB Miss, what would happen?

(a) The operating system will raise an exception

(b) The operating system will check the Page Table in search of the missed virtual address

(c) The operating system will retrieve the missing page from the disk memory

(d) The operating system will crash the system

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(Q2) In the context of Virtual Memory, what is the purpose of the Valid bit?

(a) The Valid bit will tell if the corresponding page has been modified

(b) The Valid bit will tell if the page is random or real information

(c) The Valid bit will tell if the corresponding page is present in the main memory or not

(d) The Valid bit will tell if the corresponding page has been read

Explanation / Answer

Q1. (b) The operating system will check the Page Table in search of the missed virtual address.

Q2. (c) The Valid bit will tell if the corresponding page is present in the main memory or not

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