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Published on: 05/11/2020
12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Five
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.
What will be the output of print (len("CHENNAI"))?
7
8
9
Error
2.
Write the output for the following code
a=S
def add():
a= 10
print (a)
add()
5
10
15
error
3.
Which of the following are the values pass to the function parameters?
Variables
Arguments
Definitions
Identifiers
4.
Which of the following variables can be accessed only within the class?
Protected
Public
Private
None of these
5.
What can be learned through alternative or branching statement?
looping
decision making
functions
classes
6.
The ______________ function deletes and returns the last element of a list if the index is not given?
del ()
remove ()
pop ()
push ()
7.
Which of the following optimization technique used in dynamic algorithms
Memorization
Composition
Specification
Decomposition
8.
How many asymptotic notations are mostly used to represent time complexity of algorithms?
Three
Two
One
Many
9.
Which of the following function used to include multiple element in the list?
append ()
extend ()
insert ()
endlist ()
10.
Which of the following is not a searching technique?
(i) Linear
(ii) Binary
(iii) Selection
(iv) Merge
Only i
Only ii
Only iii
iii and iv
11.
In Python shell window opened by pressing.
Alt + N
Ctrl + N
Shift +N
Ctrl + Shift +N
12.
Choose the type of scope for a variable '9! defined in the following program.
Disp ( ):
a:=7
Print a
Disp ( )
Global
Enclosed
Local
Built-in
13.
Which of the following is a raw data given in a variable or constant?
Information
Delimiters
Literal
Keywords
14.
Which mode displays the python code result immediately?
Compiler
Interactive
Script
Program
15.
______ are functions that retrieve information from the data type.
Constructors
Selectors
List
Tuple
16.
ADT behavior is defined by
(i) Set of Variables
(ii) Set of Value
(iii) Set of Functions
(iv) Set of Operations
i, ii
ii, iii
ii, iv
i, iii
17.
The recursive function is defined using the keyword
let
let rec
name
infer
18.
The function that returns the largest value of the selected column is
MAX()
LARGE()
HIGH()
MAXIMUM()
19.
What will be written inside the file test.csv using the following program
import csv
D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
wr = csv.writer(f,dialect='M')
wr.writerows(D)
f.close()
Exam Quarterly Halfyearly
Exam Quarterly Halfyearly
E, Q, H
Exam, Quarterly, Halfyearly
20.
A tuple is also known as
table
row
attribute
field
21.
22.
Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)
{3,6,9,1,3,9}
{3,9}
{1}
{1,3,6,9}
23.
Which of the following formatting character is used to print exponential notation in upper case?
%e
%E
%g
%n
24.
Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.
I is correct and II is wrong
Both are correct
I is wrong and II is correct
Both are wrong
25.
Which of the following carries out the instructions defined in the interface?
Operating System
Compiler
Implementation
Interpreter
1.
(a)
7
2.
(b)
10
3.
(b)
Arguments
4.
(d)
None of these
5.
(b)
decision making
6.
(c)
pop ()
7.
(a)
Memorization
8.
(a)
Three
9.
(b)
extend ()
10.
(d)
iii and iv
11.
(b)
Ctrl + N
12.
(c)
Local
13.
(c)
Literal
14.
(b)
Interactive
15.
(b)
Selectors
16.
(c)
ii, iv
17.
(b)
let rec
18.
(a)
MAX()
19.
(d)
Exam, Quarterly, Halfyearly
20.
(b)
row
21.
(b)
22.
(d)
{1,3,6,9}
23.
(b)
%E
24.
(a)
I is correct and II is wrong
25.
(c)
Implementation
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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
Tamilnadu Stateboard Standards