Python Numpy quiz – 50 Question (mY Programming School)

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Contents

1.NumPY stands for?

A. Numbering Python
B. Number In Python
C. Numerical Python
D. None Of the above

A. Node.js
B. Matplotlib
C. SciPy
D. Both B and C

A. ndarray
B. narray
C. nd_array
D. darray

4.What will be output for the following code?

import numpy as np
a = np.array([1,2,3])
print a
A. [[1, 2, 3]]
B. [1]
C. [1, 2, 3]
D. Error

5.What will be output for the following code?

import numpy as np
a = np.array([1, 2, 3], dtype = complex)
print a
A. [[ 1.+0.j, 2.+0.j, 3.+0.j]]
B. [ 1.+0.j]
C. Error
D. [ 1.+0.j, 2.+0.j, 3.+0.j]

6.Which of the following statement is false?

A. ndarray is also known as the axis array.
B. ndarray.dataitemSize is the buffer containing the actual elements of the array.
C. NumPy main object is the homogeneous multidimensional array
D. In Numpy, dimensions are called axes

A. Zero
B. One
C. Negative one
D. Infinite

8.Which of the following sets the size of the buffer used in ufuncs?

A. bufsize(size)
B. setsize(size)
C. setbufsize(size)
D. size(size)

9.What will be output for the following code?

import numpy as np
dt = dt = np.dtype(‘i4’)
print dt
A. int32
B. int64
C. int128
D. int16

A. timedelta
B. datetime
C. objects
D. Unicode

11.How we can convert the Numpy array to the list in python?

A. list(array)
B. list.array
C. array.list
D.None of the above

A. dtype
B. type
C. typei
D. itype

13.How we install Numpy in the system?

A. install numpy
B. pip install python numpy
C. pip install numpy
D. pip install numpy python

14.It is possible to convert the Numpy array to list in python?

A. Yes
B. No
C. Sometimes
D. None of the above

A. 0
B. 1
C. 2
D. 3

16.Numpy in the Python provides the

A. Function
B. Lambda function
C. Type casting
D. Array

17.Numpy.array(list), what it does ?

A. It convert array to list
B. It convert list to array
C. It convert array to array
D. Error

18.Shape() function in Numpy array is used to

A. Find the shape of the array
B. Change the shape of the array
C. Both of the above
D. None of the above

19.What is the use of the size attribute in Numpy array in python?

A. It find the direction
B. It find the number of items
C. It find the shape
D. All of the above

20.What is the use of the zeros() function in Numpy array in python ?

A. To make a Matrix with all element 0
B. To make a Matrix with all diagonal element 0
C. To make a Matrix with first row 0
D. None of the above

21.Which of the following argument we need to pass in reshape() function?

A. Array
B. Shape
C. only array
D. Both array and shape

A. count()
B. return()
C. shape()
D. size()

23.Which of the following find the maximum number in the Numpy array?

A. max(array)
B. array.max()
C. array(max)
D. None of the above

24.Which of the following is correct way to import the Numpy module in your program ?

A. import numpy
B. import numpy as np
C. from numpy import *
D. All of the above

25.Which of the following is not valid to import the numpy module ?

A. import numpy as np
B. import numpy as n
C. import numpy as p
D. None of the above

26.Which of the following is the essential argument to pass in full() function of Numpy array ?

A. shape
B. value
C. Both of the above
D. None of the above

27.Which of the following is used to convert the list data type to the Numpy array?

A. array(list)
B. array.list
C. Numpy.array(list)
D. None of the above

A. access
B. import
C. fetch
D. from

29.Correct syntax of the reshape() function in Numpy array python is –

A. array.reshape(shape)
B. reshape(shape,array)
C. reshape(array,shape)
D. reshape(shape)

A. By Shape()
B. By reshape()
C. By ord()
D. By change()

31.What is the purpose of NumPy in Python?

A. To do numerical calculations
B. To do scientific computing
C. Both A and B
D. None

A. NPy
B. Rpy
C. Numpy
D. None

A. True
B. False
C. Both A and B
D. None

34.Amongst which of the following is true with reference to Pip in Python?

A. Pip is a standard package management system
B. It is used to install and manage the software packages written in Python
C. Pip can be used to search a Python package
D. All of these

A. Indexed
B. Sliced
C. Iterated
D. All of these

A. True
B. False
C. Both A and B
D. None

37.Using ndim we can find –

A. We can find the dimension of the array
B. Size of array
C. Operational activities on Matrix
D. None

38.Observe the following code and identify what will be the outcome?

import numpy as np
a=np.array([1,2,3,4,5,6])
print(a)
A. [1 2 3 4 5]
B. [1 2 3 4 5 6]
C. [0 1 2 3 4 5 6]
D. None of the mentioned above

39.Observe the following code and identify what will be the outcome?

import numpy as np
a = np.array([[ 0, 1, 2, 3],
[ 4, 5, 6, 7],
[ 8, 9, 10, 11]])
b = a
b is a
A. True
B. False
C. Both A and B
D. None

A. True
B. False
C. Both A and B
D. None

41.What will be the output of the following Python code?

from numpy import random
x = random.randint(100)
print(x)
A. 56
B. 26
C. 40
D. All of these

42.Observe the code and identify the outcome:

from numpy import random
x = random.binomial(n=100, p=0.5, size=10)
print(x)
A. [41 53 50 52 60 47 50 50 50 46]
B. [50 52 60 47 50 50 50 46]
C. [41 53 50 52 60 47 50]
D. None of the mentioned above

43.What will be the output of following Python code?

import numpy as np
a = np.array([(10,20,30)])
print(a.itemsize)
A. 10
B. 9
C. 8
D. All of the mentioned above

44.Numpy developed by?

A. Jim Hugunin
B. Wes McKinney
C. Travis Oliphant
D. Guido van Rossum

45.Which of the following Numpy operation are correct?

A. Operations related to linear algebra.
B. Mathematical and logical operations on arrays.
C. Fourier transforms and routines for shape manipulation.
D. All of these

A. Node.js
B. SciPy
C. Matplotlib
D. Both B and C

47.Which of the following is contained in NumPy library?

A. fourier transform
B. n-dimensional array object
C. tools for integrating C/C++ and Fortran code
D. All of the mentioned above

A. iid_
B. ixd_
C. ix_
D. None of these

49.Which of the following sets the size of the buffer used inufuncs?

A. setsize(size)
B. bufsize(size)
C. setbufsize(size)
D. All of these