mcq 隊列

1) The main Aim of the AI system is to provide a solution for real-life problems by acting and thinking humanly. Whenever an agent is confronted by a problem, what is the first step that it follows towards searching a solution to the problem?

Searching for relevant data in the surroundings

Searching into its own knowledge base for solutions

Seeking for human inputs for approaching towards the solution

None of the above

Answer & Explanation

Correct answer: 2
Searching into its own knowledge base for solutions

Whenever an AI-based agent is confronted by a problem, it first looks into its database for a solution or similar type of problem. Then it looks at other places like perceiving the environment, applying logic, etc.

1)AI系統(tǒng)的主要目的是通過人為行動和思考為現(xiàn)實生活中的問題提供解決方案。 每當(dāng)代理人遇到問題時，朝著尋求解決方案的第一步是什么？

搜索周圍的相關(guān)數(shù)據(jù)

搜索自己的知識庫以尋求解決方案

尋求人力資源以尋求解決方案

以上都不是

答案與解釋

正確答案：2
搜索自己的知識庫以尋求解決方案

每當(dāng)基于AI的代理遇到問題時，它都會首先在其數(shù)據(jù)庫中查找解決方案或類似類型的問題。 然后，它著眼于其他地方，例如感知環(huán)境，應(yīng)用邏輯等。

2) Which of the following mentioned searches are heuristic searches?

Random Search

Depth First Search

Breadth First Search

Best First Search

Options:

Only iv.

All i., ii., iii. and iv.

ii. and iv.

None of the above

Answer & Explanation

Correct answer: 1
Only iv.

In the best first search, which is also known as the heuristic search, the agent picks up the best node based upon the heuristic value irrespective of where the node is.

2)以下提到的哪些搜索是啟發(fā)式搜索？

隨機搜尋

深度優(yōu)先搜索

廣度優(yōu)先搜索

最佳優(yōu)先搜索

選項：

只有iv。

全部i。，ii。，iii。 iv。

ii。 iv。

以上都不是

答案與解釋

正確答案：1
只有iv。

在最佳的第一搜索(也稱為啟發(fā)式搜索)中，代理基于啟發(fā)式值選擇最佳節(jié)點，而與節(jié)點的位置無關(guān)。

3) Which of the mentioned properties of heuristic search differentiates it from other searches?

It provides solution in a reasonable time frame

It provides the reasonably accurate direction to a goal

It considers both actual costs that it took to reach the current state and approximate cost it would take to reach the goal from the current state

All of the above

Answer & Explanation

Correct answer: 4
All of the above

All the mentioned options are the properties that differentiate a heuristic search from other searches.

3)啟發(fā)式搜索中提到的哪些屬性與其他搜索有區(qū)別？

它在合理的時間內(nèi)提供解決方案

它為目標(biāo)提供了合理準(zhǔn)確的方向

它既考慮了達(dá)到當(dāng)前狀態(tài)所需的實際成本，也考慮了從當(dāng)前狀態(tài)達(dá)到目標(biāo)所需的近似成本

上述所有的

答案與解釋

正確答案：4
上述所有的

所有提到的選項都是將啟發(fā)式搜索與其他搜索區(qū)分開的屬性。

4) Consider the following statement:
"The search first begins from the root node and the first one of the child node’s sub-tree is completely traversed. That is, first all the one-sided nodes are checked, and then the other sided nodes are checked."
Which search algorithm is described in the above definition?

The Breadth First Search (BFS)

The Depth First Search (DFS)

The A* search

None of the above

Answer & Explanation

Correct answer: 2
The Depth First Search (DFS)

In DFS, the search first begins from the root node and the first one of the child node’s sub-tree is completely traversed. That is, first all the one-sided nodes are checked, and then the other sided nodes are checked.

4)考慮以下陳述：
“搜索首先從根節(jié)點開始，子節(jié)點的子樹中的第一個子樹被完全遍歷。也就是說，首先檢查所有單側(cè)節(jié)點，然后再檢查另一側(cè)節(jié)點。”
上面的定義描述了哪種搜索算法？

廣度優(yōu)先搜索(BFS)

深度優(yōu)先搜索(DFS)

A *搜索

以上都不是

答案與解釋

正確答案：2
深度優(yōu)先搜索(DFS)

在DFS中，搜索首先從根節(jié)點開始，子節(jié)點的子樹中的第一個子樹被完全遍歷。 即，首先檢查所有單側(cè)節(jié)點，然后檢查另一側(cè)節(jié)點。

5) Consider the following statement:
"In AI search algorithms, we look for a solution which provides us the most optimized way in terms of both time and cost to reach from the current state to the Goal State."
State whether the above condition is true or false?

True

False

Answer & Explanation

Correct answer: 1
True

If we want to optimize our algorithm, we must take care of both the time limit as well as the cost that occurred in our searching. The lesser they are, the more efficient our algorithm is.

5)考慮以下語句：
“在AI搜索算法中，我們正在尋找一種解決方案，該解決方案可為我們提供從當(dāng)前狀態(tài)到目標(biāo)狀態(tài)的時間和成本方面最優(yōu)化的方式。”
說明上述條件是對還是錯？

真正

假

答案與解釋

正確答案：1
真正

如果要優(yōu)化算法，則必須考慮時間限制以及搜索中發(fā)生的成本。 它們越小，我們的算法就越有效。

翻譯自: https://www.includehelp.com/ml-ai/artificial-intelligence-searching-problem-aptitude-questions-and-answers-mcq.aspx

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