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Question # 1 of 10 ( Start time: 06:49:31 PM ) Total Marks: 1
It is observed that every year the amount of data recorded in an organization
Select correct option:
Doubles
Remains same as previous year
Triples
Quartiles
Question # 2 of 10 ( Start time: 06:50:55 PM ) Total Marks: 1
_______ is an application of information and data.
Select correct option:
Knowledge
Intelligence
Power
Education
Question # 3 of 10 ( Start time: 06:52:16 PM ) Total Marks: 1
Data Warehouse is about taking / colleting data from different ________ sources.
Select correct option:
Harmonized
Identical
Homogeneous
Heterogeneous
Question # 4 of 10 ( Start time: 06:53:46 PM ) Total Marks: 1
The need to synchronize data upon update is called
Select correct option:
Data Imitation
Data Manipulation
Data Replication
Data Coherency
Question # 5 of 10 ( Start time: 06:54:29 PM ) Total Marks: 1
________ gives total view of an organization
Select correct option:
OLAP
OLTP
Data Warehouse
Database
Question # 6 of 10 ( Start time: 06:55:10 PM ) Total Marks: 1
A single database, couldn’t serve both operational high performance transaction processing and DSS, analytical processing, all at the same time.
Select correct option:
True
False
Question # 7 of 10 ( Start time: 06:56:40 PM ) Total Marks: 1
Suppose the amount of data recorded in an organization is doubled every year. This increase is __________ .
Select correct option:
Linear
Quadratic
Exponential
Logarithmic
Question # 8 of 10 ( Start time: 06:57:45 PM ) Total Marks: 1
Node of a B-Tree is stored in memory block and traversing a B-Tree involves ______ page faults.
Select correct option:
O (n lg n)
O (lg n)
O (n)
O (n2)
Question # 9 of 10 ( Start time: 06:58:57 PM ) Total Marks: 1
The growth of master files and magnetic tapes exploded around the mid- _______.
Select correct option:
1950s.
1960s.
1970s.
1980s.
Question # 10 of 10 ( Start time: 07:00:10 PM ) Total Marks: 1
The input to the data warehouse can come from OLTP or transactional system but not from other third party database.
Select correct option:
True
False
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