12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 05/11/2020
12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 12th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Science Test

1.
Expansion of SQL is
Structured Question Language
Selection Query Language
Structured Query Language
Structured Query Language
2.
Find the odd man out
SQLite
Maria DB
Oracle
Dbase
3.
Which data model used in file management system?
ER model
Relational
Hierarchical
None of these
4.
In which database mode, the relationship are created by dividing the object into entity?
ER-model
Object
Hierarchical
Network
5.
Which of the following provided an interface to perform various operations to create a database, storing and updating data?
SQL
DBA
DBMS
Algebra
6.
In which of the following data organized in a way that, it can be easily accessed, managed and updated?
Database
DBMS
Structure
Object
7.
Which of the following is an organized collection of data, which can be stared and a cersed through computer system
Database
Worksheet
DBMS
Information
8.
What symbol is used for SELECT statement?
σ
Π
X
Ω
9.
Who is called Father of Relational Database from the following?
Chris Date
Hugh Darween
Edgar Frank Codd
Edgar Frank Cadd
10.
A table is known as
tuple
attribute
relation
entity
1.
(d)
Structured Query Language
2.
(d)
Dbase
3.
(d)
None of these
4.
(a)
ER-model
5.
(c)
DBMS
6.
(a)
Database
7.
(a)
Database
8.
(a)
σ
9.
(c)
Edgar Frank Codd
10.
(c)
relation
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards