Top 350+ Solved Information Retrival Techniques MCQ Questions Answer
Q. How systematic errors are eliminated?
a. frequent measurement
b. replacement of instrument
c. finding mean of reading
d. finding variance of reading
Q. Which of the following represents an SI unit of luminous intensity?
a. lumen
b. candela
c. dioptre
d. none of the mentioned
Q. Starting position of an object is represented as x=5.1±0.2m and finishing position as y=6.9±0.3m. What will be the displacement and error in displacement?
a. displacement = 1m, error = 0.5m
b. displacement = 2m, error = 0.36m
c. displacement = 1.8m, error = 0.36m
d. displacement = 1.5m, error = 0.4m
Q. The data rows of a MyISAM table are stored in
a. data file
b. index file
c. log file
d. error file
Q. In ordered indices the file containing the records is sequentially ordered, a is an index whose search key also defines the sequential order of the file.
a. clustered index
b. structured index
c. unstructured index
d. nonclustered index
Q. Indices whose search key specifies an order different from the sequential order of the file are called indices.
a. nonclustered
b. secondary
c. all of the mentioned
d. none of the mentioned
Q. An consists of a search-key value and pointers to one or more records with that value as their search-key value.
a. index entry
b. index hash
c. index cluster
d. index map
Q. Incase the indices values are larger, index is created for these values of the index. This is called
a. pointed index
b. sequential index
c. multilevel index
d. multiple index
Q. A search key containing more than one attribute is referred to as a search key.
a. simple
b. composite
c. compound
d. secondary
Q. In B+ tree the node which points to another node is called
a. leaf node
b. external node
c. final node
d. internal node
Q. OLAP stands for
a. online analytical processing
b. online analysis processing
c. online transaction processing
d. online aggregate processing