Which of the following are the linear data structures?(1 point) Responses queue, stack, trees, and arrays queue, stack, trees, and arrays arrays, lists, stack, and queues arrays, lists, stack, and queues arrays, stack, maps, and trees arrays, stack, maps, and trees arrays, lists, stack, and graphs

11 answers

The correct response that lists the linear data structures is:

arrays, lists, stack, and queues.

Linear data structures are those in which data elements are arranged in a sequential manner, and they include structures like arrays, linked lists, stacks, and queues. Trees and graphs, on the other hand, are considered non-linear data structures.

Which of the following is a true statement?(1 point) Responses Shorter codes always have greater ease of implementation than longer codes. Shorter codes always have greater ease of implementation than longer codes. There are no ways to measure space complexity and time complexity. There are no ways to measure space complexity and time complexity. The only effort to consider regarding algorithm code is implementation. The only effort to consider regarding algorithm code is implementation. The efficiency of an algorithm measures the amount of resources it needs. The efficiency of an algorithm measures the amount of resources it needs.

The true statement among the provided options is:

The efficiency of an algorithm measures the amount of resources it needs.

This statement reflects the idea that algorithm efficiency is determined by its resource usage, which includes both time complexity (how the running time increases with input size) and space complexity (how memory usage increases with input size). The other statements contain inaccuracies or overly broad claims.

Why is it preferable to use a linear search when searching smaller datasets?(1 point) Responses A linear search is the best option for smaller datasets and larger datasets, too. A linear search is the best option for smaller datasets and larger datasets, too. A linear search is more efficient with its memory allocation when searching smaller datasets. A linear search is more efficient with its memory allocation when searching smaller datasets. A linear search is easy to implement and faster than other algorithms when searching smaller datasets. A linear search is easy to implement and faster than other algorithms when searching smaller datasets. A linear search requires fewer lines of code to search smaller datasets. A linear search requires fewer lines of code to search smaller datasets.

The most accurate response regarding the preference for using a linear search when searching smaller datasets is:

A linear search is easy to implement and faster than other algorithms when searching smaller datasets.

For small datasets, the simplicity and low overhead of a linear search can make it an effective choice. The performance difference compared to more complex search algorithms (like binary search) becomes negligible in smaller datasets, making the linear search straightforward and convenient.

Which of the following best describes cryptanalysis?(1 point) Responses Cryptanalysis is the act of converting ciphertext to plaintext. Cryptanalysis is the act of converting ciphertext to plaintext. Cryptanalysis is the art of protecting information and communications using codes. Cryptanalysis is the art of protecting information and communications using codes. Cryptanalysis is the statistical analysis of codes, ciphers, or encrypted text with the intent of decrypting encoded messages. Cryptanalysis is the statistical analysis of codes, ciphers, or encrypted text with the intent of decrypting encoded messages. Cryptanalysis is the act of converting plaintext into ciphertext. Cryptanalysis is the act of converting plaintext into ciphertext.

The statement that best describes cryptanalysis is:

Cryptanalysis is the statistical analysis of codes, ciphers, or encrypted text with the intent of decrypting encoded messages.

This definition captures the essence of cryptanalysis, which involves various techniques and strategies used to break encryption and recover the original information from ciphertext without access to the secret key.

Suppose you are writing a program that requires you take different paths depending on the response to a prompt. The prompt has more than two acceptable responses. Which of the following structures would be most appropriate? (1 point) Responses for loop for loop if…then if…then if…then…else if…then…else While loop

Given the situation where you have a prompt with more than two acceptable responses and need to take different paths based on those responses, the most appropriate structure would be:

if…then…else if…then…else

This structure allows you to evaluate multiple conditions and provide different branches of execution depending on the user's input. It is well-suited for handling cases where there are more than two possible responses.

For the recursive factorial function output shown below, which lines of output would reflect the backward phase? 1 factorial(3) 2 3 * factorial(2) 3 3 * 2 * factorial(1) 4 3 * 2 * 1 5 3 * 2 6 6 (1 point) Responses 1,2,3 1,2,3 1,4 1,4 4,5,6 4,5,6 1,2,3,4,5,6

In a recursive function like the factorial function, the backward phase refers to the phase where the function is returning values after reaching the base case. In the output provided, the following lines reflect the backward phase:

4, 5, 6

  • Line 4 shows the result of the multiplication as the recursive calls return, showing 3 * 2 * 1.
  • Line 5 continues to show the intermediary steps as the function backtracks.
  • Line 6 shows the final result of the factorial calculation, which is 6.

So the correct response is 4, 5, 6.