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Online Quiz of Computer Science class XII
CHAPTER-1 Revision of Python of class XI
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1. Which of the following is an invalid variable name?
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2 points
my_day_2
2nd_day
day_two
_2
2. Following set of commands is executed in shell, what will be the output? >>>str="hello" >>>str[:2]
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2 points
he
lo
olleh
hello
3. What type is the object below? L=(1,2,'hello',1 )
2 points
list
dictionary
tuple
array
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4.What is the value of this expression : 22%3.0 ?
2 points
7
1
1.0
7.0
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5.What is the value of x? x=int(13.25+4/2)
2 points
17
14
15
23
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6. Which of the following expression is an example of type casting ?
2 points
4.0+float(6)
5.3+6.3
5.0+3
int(3.1)+7
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7. What is the output of this code? >>> int("3"+"4")
2 points
"7"
"34"
34
24
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8. What is the result of this code? def print_double(x): ..... print(2**x) >>>print_double(3)
2 points
8
6
4
10
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9. What is output of following code : x = ['ab', 'cd'] for i in x: .....i.upper() #..... means indentation print(x)
2 points
['ab,'cd']
['AB','CD']
[NONE,NONE]
NONE OF THE ABOVE
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10.What will be the output of following code? i = 1 while True: ....if i%3 == 0: ...........break print(i) i + = 1
2 points
1 2
1 2 3
error
none of the above
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