Questions with Complete Solutions - Hamro CSIT

Define the terms shell and system call. How it is handled? Illustrate with suitable example.

Not Answered Fourth Semester Asked on 2080 Exam

What is I-node? Why it is superior to other file allocation approaches? Consider 20-GB disk with 8-KB block size. How much memory space will be occupied if contiguous, and File allocation table is used for file allocation? Assume that each FAT entry takes 4 byte.

Not Answered Fourth Semester Asked on 2080 Exam

When page fault occurs and how it is handled? Demonstrate second chance and LRU page replacement algorithm for memory with three frames and following reference string: 1,3,7,4,5,2,3,6,4,5,7,8,5,1,4

Not Answered Fourth Semester Asked on 2080 Exam

What is sleep and wakeup? Demonstrate problem with suitable code snippet and illustration.

Not Answered Fourth Semester Asked on 2080 Exam

How context free grammars are defined? Write a context free grammar over {0,1}, where the strings start and end with the same symbol.

Not Answered Fourth Semester Asked on 2080 Exam

What is halting problem? How can you argue that halting problem is undecidable?

Not Answered Fourth Semester Asked on 2080 Exam

Discuss how Turing Machine with multiple tracks differs from a Turing Machine with multiple tapes.

Not Answered Fourth Semester Asked on 2080 Exam

How pumping lemma can be used to prove that any language is not a regular language? Show that language, L = {0ⁿ1ⁿ | n>0} is not a regular language.

Not Answered No Subject Asked on 2080 Exam

What is undecidable problem? Define post’s correspondence problem with an example.

Not Answered Fourth Semester Asked on 2080 Exam

Write the regular expression over {0,1} for strings

Not ending with 0

Of length at least 3 that ends with 00.

Not Answered Fourth Semester Asked on 2080 Exam

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