Introduction to NumPy

>>>import numpy as np

Qus. 1 : NumPY stands for?

1. Numbering Python
2. Number in Python
3. Numerical Python
4. Number for Python

Qus. 2 : NumPy arrays can be

1. Indexed
2. Sliced
3. Iterated
4. All of the mentioned above

Qus. 3 : Using ndim we can find

1. We can find the dimension of the array
2. Size of array
3. Operational activities on Matrix
4. None of the mentioned above

Qus. 4 : Numpy developed by?

1. Guido van Rossum
2. Travis Oliphant
3. Wes McKinney
4. Jim Hugunin

Qus. 5 : Which of the following Numpy operation are correct?

1. Mathematical and logical operations on arrays.
2. Fourier transforms and routines for shape manipulation.
3. Operations related to linear algebra.
4. All of the above

Qus. 6 : What is a correct syntax to create a NumPy array?

1. np.array([4,5,6])
2. np.create_array([4,5,6])
3. np.createArray([4,5,6])
4. np.numpyArray([4,5,6])

Qus. 7 : How to import numpy module?

1. from numpy import *
2. import numpy
3. import numpy as my_numpy
4. All of above

Qus. 8 : Attribute of array determines

1. Size, shape
2. memory consumption
3. data type of array
4. All of these

Qus. 9 : Getting and setting the value of individual array elements:

1. Indexing
2. Slicing
3. Reshaping
4. None of the above

Qus. 10 : Getting and setting smaller subarrays within a larger array

1. Indexing
2. Slicing
3. Reshaping
4. None of the above

Qus. 11 : The number of axes in an ndarray is called its ___

1. rank
2. dtype
3. shape
4. None of these

Qus. 12 : NumPy arrays used over lists because

1. NumPy arrays have contiguous memory location
2. They are more speedy to work with
3. They are more convenient to deal with
4. All of the above

Qus. 13 : <p>What will be output for the following code ?</p><pre>import numpy as np<br>a=np.array([2,3,4,5])<br>print(a.dtype)</pre><div><br></div>

1. int32
2. int
3. float
4. none of these

Qus. 14 : What is the use of the zeros() function in Numpy array in python ?

1. To make a Matrix with all element 0
2. To make a Matrix with all diagonal element 0
3. To make a Matrix with first row 0
4. None of the above

Qus. 15 : NumPY stands for:

1. Numbering Python
2. Number In Python
3. Numerical Python
4. None of the above

Qus. 16 : <p>What will be output for the following code ?</p><p><span style="font-size: 14px;">import numpy as np</span></p><p><span style="font-size: 14px;">ary=np.array([1,2,3,5,8])</span></p><p><span style="font-size: 14px;">ary=ary+1</span></p><p><span style="font-size: 14px;">print(ary[1])</span></p><div><br></div>

1. 0
2. 1
3. 2
4. 3

Qus. 17 : What is NumPy?

1. A machine learning library
2. A web development framework
3. A numerical computing library in Python
4. A data visualization tool

Qus. 18 : Which of the following is the primary object in NumPy for representing arrays?

1. Array
2. List
3. Matrix
4. Tuple

Qus. 19 : What is the purpose of the np.array() function in NumPy?

1. It creates a new Python list.
2. It creates a NumPy array.
3. It performs element-wise addition.
4. It calculates the mean of an array.

Qus. 20 : What is the primary purpose of NumPy in Python?

1. Web development
2. Machine learning and scientific computing
3. Game development
4. Database management

Qus. 21 : What does pip stand for python?

1. unlimited length
2. all private members must have leading and trailing underscores
3. Preferred Installer Program
4. None of the above

Programs

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