List one advantage and one disadvantage of having large block size.
Ans:
advantage
The advantage of using a large block of memory is accommodation of maximum processes resulting is less number of page faults.
Disadvantage
The disadvantage of using a large block of memory is occurrence of internal fragmentation i.e allocated memory may be slightly larger than requested memory. e.g., suppose memory is allocated in blocks of 4K, a 1K process will waste 3K of space in its partition, as will a 5K process.
advantage
The advantage of using a large block of memory is accommodation of maximum processes resulting is less number of page faults.
Disadvantage
The disadvantage of using a large block of memory is occurrence of internal fragmentation i.e allocated memory may be slightly larger than requested memory. e.g., suppose memory is allocated in blocks of 4K, a 1K process will waste 3K of space in its partition, as will a 5K process.
About the author
Admin
Working as Full Time Web Application Developer and Big Data Consultant. Specialized in Web Application technologies like reactjs, PHP, YII and CMS like WordPress, Apache Spark, and SCALA. Masters in Information System.
More question answers on operating systems are coming soon.
ReplyDelete