資訊科技-8grade-ch1-1
Quiz
•
Education
•
8th Grade
•
Hard
戴 義明
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組數字為「遞增排序」
1、4、3、5、2
1、3、5、2、4
1、2、3、4、5
1. 5、4、3、2、1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一個比較與交換的函式,此函式可比較兩數,並將較小的數排在前方。小剛利用附圖程式,將一個清單由遞減排序重新排成遞增排序,則此清單的長度應為多少?
2
3
4
5
Answer explanation
詳解:從題目敘述即程式安排可得知小剛是利用氣泡排序法的概念進行排序,程式中第一輪比較3次、第二輪比較2次、第三輪比較1次,因此清單長度應為3+1=4。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小雪利用撲克牌來演示「排序演算法」,已知排序過程中,會多次將牌組中的兩張牌互相交換位置,則小雪演示的應該不是何種排序法?
選擇排序法
氣泡排序法
插入排序法
Answer explanation
(A)選擇排序會使「未排序的第一數」與「最小值」交換位置,兩者不一定相鄰。(B)氣泡排序必為相鄰兩數比較並交換位置。(C)插入排序法不需兩數交換。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知清單中有兩筆資料,依序為5、9。執行了附圖的程式後,清單中的資料為何?
5、9
9、5
9、9
5、5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用氣泡排序法來排序8個數字,第一輪掃描共要比較幾次?
8次
7次
6次
5次
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用氣泡排序法來排序7個數字,請問最後一輪的掃描中,可確定幾個數字的位置?
1個
2個
3個
4個
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若要將清單中的資料如附圖交換順序,則下列程式何者正確?
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