12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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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
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 05/11/2020
12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Nine
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.
The _______ keyword defines a range of values the record must fall into make the condition true.
BETWEEN
RANGE
IN
WHERE
2.
Which clause can be used along with GROUP BY clause and SELECT statement to include aggregate function on them?
WHERE
WHERE
HAVING
COMMIT
3.
Which keywords are not used in the command used to replace a data value in a database?
UPDATE
SET
WHERE
ADD
4.
Which of the following have a special meaning in SQL?
Keywords
Commands
Clause
Arguments
5.
Which SQL TCL command save a transaction temporarily
Commit
Roll back
Save point
None of these
6.
Which of the following is not a RDBMS package?
Oracle
Foxpro
DBbase
MySQL
b and c
7.
Each column in a table represents a ___________
Record
Data
Field
Method
8.
The term _____ is used to refer to any of the DBMS
Object
Database
Data model
Data mining
9.
Expansion of SQL is
Structured Question Language
Selection Query Language
Structured Query Language
Structured Query Language
10.
Find the odd man out
SQLite
Maria DB
Oracle
Dbase
11.
The default file open mode is
rt
x
a
r
12.
Which of the following is not a mode used while opening a file?
P
W
r
a
13.
Which of the following is a string used to terminate lines produced by writer()method of csv module?
Line Terminator
Enter key
Form feed
Data Terminator
14.
The command to delete a table including the structure is
DROP
DELETE
DELETE ALL
ALTER TABLE
15.
Who is called Father of Relational Database from the following?
Chris Date
Hugh Darween
Edgar Frank Codd
Edgar Frank Cadd
16.
Which of the following class declaration is correct?
class class_name
class class_name<>
class class_name:
class class_name[ ]
17.
What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
[0,1,2,4,5]
[0,1,4,9,16]
[0,1,4,9,16,25]
[1,4,9,16,25]
18.
What is stride?
index value of slide operation
first argument of slice operation
second argument of slice operation
third argument of slice operation
19.
In which arguments the correct positional order is passed to a function?
Required
Keyword
Default
Variable-length
20.
What is the output of the following snippet?
T=1
while T:
print(True)
break
False
True
0
1
21.
Time complexity of bubble sort in best case is
θ (n)
θ (nlogn)
θ (n2)
θ (n(logn) 2)
22.
Which operator is also called as Comparative operator?
Arithmetic
Relational
Logical
Assignment
23.
Which of the following members of a class can be handled only from within the class?
Public members
Protected members
Secured members
Private members
24.
Which of the following is a compound structure?
Pair
Triplet
single
quadrat
25.
Which of the following defines what an object can do?
Operating System
Compiler
Interface
Interpreter
1.
(a)
BETWEEN
2.
(c)
HAVING
3.
(d)
ADD
4.
(a)
Keywords
5.
(c)
Save point
6.
(e)
b and c
7.
(c)
Field
8.
(b)
Database
9.
(d)
Structured Query Language
10.
(d)
Dbase
11.
(a)
rt
12.
(a)
P
13.
(a)
Line Terminator
14.
(a)
DROP
15.
(c)
Edgar Frank Codd
16.
(c)
class class_name:
17.
(b)
[0,1,4,9,16]
18.
(d)
third argument of slice operation
19.
(a)
Required
20.
(b)
True
21.
(a)
θ (n)
22.
(b)
Relational
23.
(d)
Private members
24.
(a)
Pair
25.
(c)
Interface
12th Standard Syllabus & Materials
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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
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