TensorFlow Tensor Operations Quiz

1. What is the shape of a tensor with dimensions (2, 3, 4)?

24 total elements

2 + 3 + 4 = 9 total elements

A 3D tensor with 24 elements

A rank-2 tensor

2. True or False: tf.tile() repeats a tensor along specified dimensions.

True

False

3. Which function computes the element-wise reciprocal (1/x) of a tensor?

Tf.reciprocal()

Tf.inverse()

Tf.divide(1, x)

Tf.math.reciprocal()

4. True or False: tf.einsum() allows Einstein summation convention operations.

True

False

5. True or False: tf.gather() extracts elements from a tensor using indices.

True

False

6. What does tf.expand_dims() do to a tensor?

Adds a new dimension of size 1 at specified axis

Removes a dimension from the tensor

Increases all dimension sizes by 1

Flattens the tensor to 1D

7. Which function converts a NumPy array to a TensorFlow tensor?

Tf.convert_to_tensor()

Tf.from_numpy()

Tf.numpy_to_tensor()

Tf.array()

8. What is the rank of a tensor with shape (5, 3, 2, 4)?

4

14

120

3

9. What does tf.concat() do when given axis=0?

Joins tensors along the first dimension

Multiplies tensors element-wise

Stacks tensors in a new dimension

Transposes all tensors

10. Which function reduces a tensor along a specified axis by summing?

Tf.reduce_sum()

Tf.sum_reduce()

Tf.axis_sum()

Tf.aggregate()

11. How do you access the third element of a 1D tensor in TensorFlow?

Tensor[2]

Tensor[3]

Tensor.get(3)

Tensor.element(3)

12. What is the result of tf.transpose() on a 2D tensor?

Rows become columns and columns become rows

Elements are sorted in ascending order

The tensor is flattened to 1D

Values are negated

13. Which function performs matrix multiplication of two tensors?

Tf.multiply()

Tf.matmul()

Tf.dot()

Tf.cross()

14. What does tf.reshape() do to a tensor?

Changes values to fit new dimensions

Rearranges elements to new shape without changing data

Removes dimensions from the tensor

Creates a copy with transposed rows and columns

15. Which operation combines two tensors element-wise by addition?

Tf.concat()

Tf.add()

Tf.stack()

Tf.merge()

16. Which TensorFlow function creates a tensor with all elements initialized to zero?

Tf.zeros()

Tf.empty()

Tf.null()

Tf.zero_init()

17. Which operation applies an element-wise function to a tensor?

Tf.map_fn()

Tf.apply()

Tf.transform()

Tf.iterate()

18. True or False: tf.squeeze() removes all dimensions of size 1 from a tensor.

True

False

19. Which function computes element-wise maximum of two tensors?

Tf.max()

Tf.maximum()

Tf.greater()

Tf.compare()

20. What does tf.where() do with a condition tensor?

Selects elements from x or y based on condition

Finds indices where condition is true

Filters a tensor by a boolean mask

Sorts tensor values by condition

TensorFlow Developer Tensor Operations Quiz

1. What is the shape of a tensor with dimensions (2, 3, 4)?

2.

What first name or nickname would you like us to use?

2. True or False: tf.tile() repeats a tensor along specified dimensions.

3. Which function computes the element-wise reciprocal (1/x) of a tensor?

4. True or False: tf.einsum() allows Einstein summation convention operations.

5. True or False: tf.gather() extracts elements from a tensor using indices.

6. What does tf.expand_dims() do to a tensor?

7. Which function converts a NumPy array to a TensorFlow tensor?

8. What is the rank of a tensor with shape (5, 3, 2, 4)?

9. What does tf.concat() do when given axis=0?

10. Which function reduces a tensor along a specified axis by summing?

11. How do you access the third element of a 1D tensor in TensorFlow?

12. What is the result of tf.transpose() on a 2D tensor?

13. Which function performs matrix multiplication of two tensors?

14. What does tf.reshape() do to a tensor?

15. Which operation combines two tensors element-wise by addition?

16. Which TensorFlow function creates a tensor with all elements initialized to zero?

17. Which operation applies an element-wise function to a tensor?

18. True or False: tf.squeeze() removes all dimensions of size 1 from a tensor.

19. Which function computes element-wise maximum of two tensors?

20. What does tf.where() do with a condition tensor?