Dashboard / My courses / CS 3303-01 - AY2022-T5 / 4 August - 10 August / Self-Quiz Unit 8
Started on Friday, 5 August 2022, 1:11 AM State Finished Completed on Friday, 5 August 2022, 1:13 AM Time taken 2 mins Grade 10.00 out of 10.00 (100%)
Question 1 Correct
Mark 1.00 out of 1.00
Which of the following is not one of the general approaches to search algorithms:
Select one: O a. Buffer cache access methods O b. Sequential and list methods O c. Direct access by key value (hashing) O d. Tree indexing methods
The correct answer is: Buffer cache access methods
Question 2 Correct Mark 1.00 out of 1.00
A list that organizes the order of records within the list based upon patterns of actual record access is called a/an (select the best answer):
Select one: O a. Quadratic Binary search order O b. A Zipf Distribution O c. A Self-organizing list O d. Arange query
The correct answer is: A Self-organizing list
Question 3 Correct Mark 1.00 out of 1.00
A compound computed search that combines a binary search to get close to the required record and then uses sequential search to find the item is referred to as a/an:
Select one: O a. Zipf search O b. An Exact match search O c. A Dictionary search O d.-bit map vector search
The correct answer is: A Dictionary search
Question 4
Correct
Mark 1.00 out of 1.00
A coding scheme that replaces repeated occurrences of strings with a pointer to the location in the file of the first occurrence of the string is called Ziv-Lempel coding.
Select one: O True v O False
The correct answer is'True'
Question 5
Correct
Mark 1.00 out of 1.00
The process of storing records in the order that they were added to a file is called:
Select one:
O a. Entry-sequenced file O b. Binary Sequenced file O c. LIFO file format O d. Tombstone approach
The correct answer is: Entry-sequenced file
Question 6 Correct Mark 1.00 out of 1.00
The process of associating a key with the location of a corresponding data record is called folding.
Select one: O True
O False v
The correct answer is 'False'
Question 7 Correct Mark 1.00 out of 1.00
Each record of a database normally has a unique identifier called the:
Select one: O a. Secondary Key O b. Primary index O c. Primary key O d. Index key
The correct answer is: Primary key
Question 8 Correct Mark 1.00 out of 1.00
A linear index is an index file organized as a seguence of key/pointer pairs where the keys are in a sorter order
Select one:
O False
The correct answer is 'T