算法與數據類型測驗

算法與數據類型測驗

3rd Grade

15 Qs

quiz-placeholder

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算法與數據類型測驗

算法與數據類型測驗

Assessment

Quiz

Computers

3rd Grade

Practice Problem

Hard

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪項是下列算法的輸出?

A<--5

B<--10

C<--15 - A * B

輸出 A + B - C

20

35

50

115

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪項是下列算法的輸出?

X <-- 2

Y <-- 3

Z <-- 5

temp <-- X

X <-- Y

Y <-- temp

Z<--Y - X

輸出 X - Y + Z

-2

0

2

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪組數據類型和數據的組合是不正確的?

數據類型 數據

A. 整數 1

B. 布爾 1

C. 浮點數 1.0

D. 字符 1.0

A. 整數 1

B. 布爾 1

C. 浮點數 1.0

D. 字符 1.0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個網站展示了以下資訊:

日期:1/1/2022

天氣:晴

溫度:18.5

以下哪組數據類型最適合用以儲存以上數據?

日期/天氣/溫度

整數 字串 整數

整數 布爾 實數

字串 字串 實數

字串 字符 整數

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪項是下列算法的輸出?

A 7

B 8

如果 (A + B <= 15) AND (A * B > 60) 則

A <--A * 3

輸出 A

否則

B<--B * 3

輸出 B

7

8

21

24

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

假設 A = 4、B = 5 和 C = 6,以下哪項布爾算式的結果為「真」?

A. (A < B) AND NOT(B < C)

B. NOT((A > B) OR NOT(B < C))

C. (A >= 4 AND B < 5) OR (C < B)

D. (A >= 4 OR B < 5) AND (C < B)

A. (A < B) AND NOT(B < C)

B. NOT((A > B) OR NOT(B < C))

C. (A >= 4 AND B < 5) OR (C < B)

D. (A >= 4 OR B < 5) AND (C < B)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

假設 X = 3 和 Y = 5,以下哪些布爾算式會得出相同結果?

(1). ((X < Y) OR (X + Y >= 10)) AND (X > 1)

(2). (X < Y) AND ((X + Y >= 10) OR (X > 1))

(3). ((X < Y) AND (X + Y >= 10)) OR (X > 1)

只有 (1) 和 (2)

只有 (1) 和 (3)

只有 (2) 和 (3)

(1)、(2) 和 (3)

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