During 2nd pass of two-way merge sort in each pass the sizes of the strings are ______
a) half b) doubled c) remains same d) 30%
During 2nd pass of two-way merge sort in each pass the number of strings is reduced by ________ of the number.
a) 75% b) half c) remains same d) doubled
The cost of accessing data is significantly ______ either bookkeeping or comparison costs.
a) less than b) equal to c) greater than d) proportional
Sorting is used to eliminate _________ in the collection of data
a) duplicate copies b) different copies c) negative copies d) none of the above
External sorting algorithms makes _______ accesses to a storage device.
a) Sequential b) random c) alternate d) all of the above
Secondary key fields should follow ______ fields in a record.
a) unstable b) primary key c) structs d) foreign key
Disks can store ________ of characters.
a) lakhs b) millions c) billions d) tons
To make the updating process __________, all files are sorted on the same key.
a) relation b) fast c) slow d) efficient
In updating a sequential file New master file becomes __________.
a) Transaction file b) new master record c) old master file d) transaction record
All files involved in updating are sorted based on ________.
a) data b) information c) key values d) foreign key
Which of the following device cannot be shared in network?
a) CD drive b) Printer c) Mouse d) Hard disk
What is Unicode?
a) Standard font b) Software c) Character encoding system d) Keyboard layout
The extension of object file types is ________.
a) Obj b) Exe c) Flv d) None of the above
The extension of executable file types is _______.
a) Obj b) Exe c) Flv d) None of the above
Disks are divided into logical units called _______.
a) Partitions b) Structures c) Trees d) None of the above
Merge sort uses
a) Divide-and-conquer b) Backtracking c) Heuristic approach d) Greedy approach