Table of Contents
- 1 How do I sort a file that is too large?
- 2 Which sorting algorithm is used for large data?
- 3 What is an external sorting algorithm?
- 4 What is external sorting algorithm Mcq?
- 5 What is external sorting algorithm?
- 6 What is the basic algorithm used for external sorting?
- 7 What is external sorting in computer?
- 8 How can we sort a file based on the RAM size?
How do I sort a file that is too large?
- For sorting a very large file , we can use external sorting technique.External sorting is an algorithm that can handle massive amounts of data.
- using external merge sort.
- For sorting a very large file , we can use external sorting technique.External sorting is an algorithm that can handle massive amounts of data.
Which sorting algorithm is used for large data?
4) For large size data sets, Heapsort is better than the other twos, Heapsort is a better choice. In such a case, Insertion sort must be avoided. 5) Randomized Quicksort makes worst cases less likely.
What happens when the index file is too large to be kept in main memory then how is it sorted?
When a collection of records is too large to fit in main memory, the only practical way to sort it is to read some records from disk, do some rearranging, then write them back to disk. This process is repeated until the file is sorted, with each record read perhaps many times.
How do I sort large files with small memory?
We first divide the file into runs such that the size of a run is small enough to fit into main memory. Then sort each run in main memory using merge sort sorting algorithm. Finally merge the resulting runs together into successively bigger runs, until the file is sorted.
What is an external sorting algorithm?
External sorting is a class of sorting algorithms that can handle massive amounts of data. External sorting is required when the data being sorted do not fit into the main memory of a computing device (usually RAM) and instead they must reside in the slower external memory, usually a hard disk drive.
What is external sorting algorithm Mcq?
Explanation: As the name suggests, external sorting algorithm uses external memory like tape or disk. Explanation: Bubble sort works by starting from the first element and swapping the elements if required in each iteration.
When the records are stored in or secondary storage then searching is known as external sorting?
11.2 External Sorting Sorting data organized as files, or more generally, sorting data stored in secondary memory, is called “external” sorting.
What is external sort algorithm Mcq?
What is external sorting algorithm?
What is the basic algorithm used for external sorting?
[3] provided a lot of basic knowledge of sorting algorithm, including the replacement selection and merge sort. Merge sort is the algorithm most commonly used for external sorting. External merge sorting is generally divided into two phases: run formation phase (see figure 1) and run merge phase (see figure 2).
What is the need of external sorting?
External sorting is required when the data being sorted do not fit into the main memory of a computing device (usually RAM) and instead they must reside in the slower external memory, usually a hard disk drive.
What is the block size used for External sorting algorithms?
The block size used for external sorting algorithms should be equal to or a multiple of the sector size. Under this model, a sorting algorithm reads a block of data into a buffer in main memory, performs some processing on it, and at some future time writes it back to disk.
What is external sorting in computer?
External Sorting. External sorting is a term for a class of sorting algorithms that can handle massive amounts of data. External sorting is required when the data being sorted do not fit into the main memory of a computing device (usually RAM) and instead they must reside in the slower external memory (usually a hard drive).
How can we sort a file based on the RAM size?
This is how any larger file can be sorted when there is a limitation on the size of primary memory (RAM). The basic idea is to divide the larger file into smaller temporary files, sort the temporary files and then creating a new file using these temporary files. This question was asked in Infosys interview for power programmer profile.
What is the merge phase of External sorting?
In the merge phase, the sorted sub-files are combined into a single larger file. One example of external sorting is the external merge sort algorithm, which sorts chunks that each fit in RAM, then merges the sorted chunks together. We first divide the file into runs such that the size of a run is small enough to fit into main memory.