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



Sponsored Links









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