Data basics MCQ’s

1. The file extension for database files is

A. xls

B. txt

C. mpg

D. mdb

2. Which of the following is considered to be the object?

A. Address

B. Name

C. Roll_no

D. All of these

3. Which of the following is not the feature of DBMS?

A. Query language

B. Update

C. Data dictionary

D. Backup & recovery

4. Synonym problem occurs in which file

A. Indexed files

B. Sequential files

C. Random files

D. All of these

5. The name of person is used to represent

A. File

B. Record

C. Field

D. None of these

6. Arranging data in proper order is …

A. Classifying

B. Data caputring

C. Sorting

D. Summarizing

7. Row of table represents …

A. File

B. Record

C. Field

D. Data

8. Processed form of data is …

A. Object

B. Raw data

C. Information

D. Article

9. Inverted tree is used in …

A. Hierarchical model

B. Relational model

C. Network model

D. Descriptive model

10. Computerized data keeping system is … 

A. Data system

B. DBMS

C. Database system

D. None of these

11. Separation of data structure of database from application program is …

A. Data model

B. Data structure

C. Data independence

D. Data integrity

12. The lost data is recovered by …

A. Data file

B. Program files

C. Backup files

D. Master files