XII CS PT1 cloned 9/17/2020

Last updated over 5 years ago

27 questions

Note from the author:

1

4

2

3

1

3

2

Library

XII CS PT1 cloned 9/17/2020

Last updated over 5 years ago

27 questions

Note from the author:

XII CS PT-1

1

Q1. A Function in python begins with keyword_____.

1

Q2. Name the statement that sends back value from a function.

1

Q3. A variable declared or defined within function body is known as _______

1

Q4. What is the output of the program given below?
x=20
def func(x):
x=2
func(x)
print('x is now',x)

1

Q10. The variable declared out siide all the functions is called __________

4

Q11. What will be the output of the following code? 4
def func(a,b=2,c=0.10):
return(abc)

print(func(6100,1))
print(func(5000,c=0.05))
print(func(5000,3,0.12))
print(func(b=4,a=5000))

2

Q12 write a python function SUM to sum the numbers in a list
Sample List [4,6,3,5,6]
Expected output:24

2

Q13. Write a python function to print the sum of even numbers from a given list

2

Q14. What is the difference between local variable and global variable?

3

1

3

Write a user-defined function in python that displays the number lines starting with 'H' in the file 'Para.txt'

3

Write a function countmy() in Python to read the text file "Data.Txt" and count the number of times "my" occurs in the file.

2

Differentiate between file modes r+ and w+

XII CS PT-1

Q1. A Function in python begins with keyword_____.

Q2. Name the statement that sends back value from a function.

Q3. A variable declared or defined within function body is known as _______

Q4. What is the output of the program given below?
x=20
def func(x):
x=2
func(x)
print('x is now',x)

Q5. More than one value(s) can be returned by a function in Python.

True

False

Q6. The variable declared inside the function is called a global variable.

True

False

Q7. A local variable having the same name as that of a global variable hides the global variable in its function.

True

False

Q8. Built in functions are created by users and are not a part of python library.

True

False

Q9. The first line of a function header begins with def keyword and ends with a colon(:)

True

False

Q10. The variable declared out siide all the functions is called __________

Q11. What will be the output of the following code? 4
def func(a,b=2,c=0.10):
return(abc)

print(func(6100,1))
print(func(5000,c=0.05))
print(func(5000,3,0.12))
print(func(b=4,a=5000))

Q12 write a python function SUM to sum the numbers in a list
Sample List [4,6,3,5,6]
Expected output:24

Q13. Write a python function to print the sum of even numbers from a given list

Q14. What is the difference between local variable and global variable?

Q15. What possible output(s) are expected
import random
AR=[20,30,40,50,60,70]
FROM=random.randint(1,3)
TO=random.randint(2,4)
for K in range(FROM,TO+1):
print(AR[K],end="#")

i) 10#40#70#

ii) 30#40#50#

iii)50#60#70#

iv)40#50#70#

Which of the following commands can be used to read “n”number of characters from a file using the file object named file

file.read(n)

file.read(n char)

n.file(read)

file.read(n bytes)

Which of the statements are true for read()

A. read () reads  entire file and returns in form of list

B. read( ) reads file in any chosen data type

C. read ( ) reads entire file and returns the content in form of string and default argument is -1

D. read( ) function is a built in function

CSV files store data in

A .binary form

B. text (ASCII or UNICODE)

C. both A and B

None of the Above

Identify the correct option to open a file c:\text.dat for appending in Python Program

f1=open("c:/text.dat","wb")

f1=open("c:/text.dat","rw")

f1=open("c:\text.dat","r+")

f1=open("c:/text.dat","ab")

format is a text format, accessible to all applications across several platforms

CSV

jpeg

bitmap

png

method is used for random access of data in a CSV file

seek()

pack()

tell()

load()

method of pickle module is used to write an object into binary file

seek()

dump()

load()

pack()

method of pickle module is used to read data from a binary file

seek()

dump()

load()

pack()

Which of the following is not a valid mode to open a file?

ab

rw

r+

w+

Write a user-defined function in python that displays the number lines starting with 'H' in the file 'Para.txt'

Write a function countmy() in Python to read the text file "Data.Txt" and count the number of times "my" occurs in the file.

Differentiate between file modes r+ and w+

Q5. More than one value(s) can be returned by a function in Python.

True

False

Q6. The variable declared inside the function is called a global variable.

True

False

Q7. A local variable having the same name as that of a global variable hides the global variable in its function.

True

False

Q8. Built in functions are created by users and are not a part of python library.

True

False

Q9. The first line of a function header begins with def keyword and ends with a colon(:)

True

False

Q15. What possible output(s) are expected                                    
import random
AR=[20,30,40,50,60,70]
FROM=random.randint(1,3)
TO=random.randint(2,4)
for K in range(FROM,TO+1):
    print(AR[K],end="#")

i) 10#40#70#

ii) 30#40#50#

iii)50#60#70#

iv)40#50#70#

Which of the following commands can be used to read “n”number of characters from a file using the file object named file

file.read(n)

file.read(n char)

n.file(read)

file.read(n bytes)

Which of the statements are true for   read() 

A. read () reads  entire file and returns in form of list

B. read( ) reads file in any chosen data type

C. read ( ) reads entire file and returns the content in form of string and default argument is -1

D. read( ) function is a built in function

CSV files store data in 

A .binary form

B. text (ASCII or UNICODE)

C. both A and B

None of the Above

Identify the correct option to open a file c:\text.dat for appending in Python Program

f1=open("c:/text.dat","wb")

f1=open("c:/text.dat","rw")

f1=open("c:\text.dat","r+")

f1=open("c:/text.dat","ab")

 format is a text format, accessible to all applications across several platforms

CSV

jpeg

bitmap

png

 method is used for random access of data in a CSV file

seek()

pack()

tell()

load()

method of pickle module is used to write an object into binary file

seek()

dump()

load()

pack()

method of pickle module is used to read data from a binary file

seek()

dump()

load()

pack()

 Which of the following is not a valid mode to open a file?

ab

rw

r+

w+

XII CS PT1 cloned 9/17/2020

XII CS PT1 cloned 9/17/2020

Q1. A Function in python begins with keyword_____.

Q2. Name the statement that sends back value from a function.

Q3. A variable declared or defined within function body is known as _______

Q4. What is the output of the program given below?x=20def func(x): x=2func(x)print('x is now',x)

Q10. The variable declared out siide all the functions is called __________

Q11. What will be the output of the following code? 4def func(a,b=2,c=0.10): return(a*b*c)print(func(6100,1))print(func(5000,c=0.05))print(func(5000,3,0.12))print(func(b=4,a=5000))

Q12 write a python function SUM to sum the numbers in a list Sample List [4,6,3,5,6]Expected output:24

Q13. Write a python function to print the sum of even numbers from a given list

Q14. What is the difference between local variable and global variable?

Write a user-defined function in python that displays the number lines starting with 'H' in the file 'Para.txt'

Write a function countmy() in Python to read the text file "Data.Txt" and count the number of times "my" occurs in the file.

Differentiate between file modes r+ and w+

Q1. A Function in python begins with keyword_____.

Q2. Name the statement that sends back value from a function.

Q3. A variable declared or defined within function body is known as _______

Q4. What is the output of the program given below?x=20def func(x): x=2func(x)print('x is now',x)

Q5. More than one value(s) can be returned by a function in Python.

Q6. The variable declared inside the function is called a global variable.

Q7. A local variable having the same name as that of a global variable hides the global variable in its function.

Q8. Built in functions are created by users and are not a part of python library.

Q9. The first line of a function header begins with def keyword and ends with a colon(:)

Q10. The variable declared out siide all the functions is called __________

Q11. What will be the output of the following code? 4def func(a,b=2,c=0.10): return(a*b*c)print(func(6100,1))print(func(5000,c=0.05))print(func(5000,3,0.12))print(func(b=4,a=5000))

Q12 write a python function SUM to sum the numbers in a list Sample List [4,6,3,5,6]Expected output:24

Q13. Write a python function to print the sum of even numbers from a given list

Q14. What is the difference between local variable and global variable?

Q15. What possible output(s) are expected import randomAR=[20,30,40,50,60,70]FROM=random.randint(1,3)TO=random.randint(2,4)for K in range(FROM,TO+1): print(AR[K],end="#")

Which of the following commands can be used to read “n”number of characters from a file using the file object named file

Which of the statements are true for read()

CSV files store data in

Identify the correct option to open a file c:\text.dat for appending in Python Program

format is a text format, accessible to all applications across several platforms

method is used for random access of data in a CSV file

method of pickle module is used to write an object into binary file

method of pickle module is used to read data from a binary file

Which of the following is not a valid mode to open a file?

Write a user-defined function in python that displays the number lines starting with 'H' in the file 'Para.txt'

Write a function countmy() in Python to read the text file "Data.Txt" and count the number of times "my" occurs in the file.

Differentiate between file modes r+ and w+

Q4. What is the output of the program given below?
x=20
def func(x):
x=2
func(x)
print('x is now',x)

Q11. What will be the output of the following code? 4
def func(a,b=2,c=0.10):
return(abc)

print(func(6100,1))
print(func(5000,c=0.05))
print(func(5000,3,0.12))
print(func(b=4,a=5000))

Q12 write a python function SUM to sum the numbers in a list
Sample List [4,6,3,5,6]
Expected output:24

Q4. What is the output of the program given below?
x=20
def func(x):
x=2
func(x)
print('x is now',x)

Q11. What will be the output of the following code? 4
def func(a,b=2,c=0.10):
return(abc)

print(func(6100,1))
print(func(5000,c=0.05))
print(func(5000,3,0.12))
print(func(b=4,a=5000))

Q12 write a python function SUM to sum the numbers in a list
Sample List [4,6,3,5,6]
Expected output:24

Q15. What possible output(s) are expected
import random
AR=[20,30,40,50,60,70]
FROM=random.randint(1,3)
TO=random.randint(2,4)
for K in range(FROM,TO+1):
print(AR[K],end="#")