Data can be used to make decisions only if:
It is in huge volume
It can be processed into information
It is electronically generated
It contains numbers
Which of the following is data:
Web page
Image shot from phone
Fingerprint
All of the above
Anything which stores only unstructured data can be called a database.
True
False
Which of the following is not true:
Database and Database management system (DBMS) are the same
Database stores data.
Database management system is a software.
All of the above.
Which of the following is the purpose of DBMS:
Creation of database
Manipulation of data
Retrieving data from database
All of the above
File based systems faces data integrity issues because:
Files contains textual information
Large data is stored in files
Duplicate files may have different values
Files are changed frequently
What does same data being saved in multiple locations called
Inconsistency
Redundancy
Integrity
Security
In File based systems it is easy to maintain concurrency control when multiple users are updating the same file.
True
False
File System in which each teacher of a college is maintaining their separate files concerning the same subjects taught in the course would lead to :
High data integrity
High data redundancy
High data security
High efficiency to access data
1 tier
2 tier
3 tier
None of the above.
In a software architecture which of the following is responsible for computing the result and returning it:
Client
Server
What do you mean by data sharing in DBMS:
Same information is visible to everyone
Different information is visible to everyone
Different versions of information is visible to everyone
Anyone can access data
What is/are the drawback of using DBMS:
Requires training
Complex to use
It is costly
All of the above
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