
111-2 生科 9下 總複習
Quiz
•
Education
•
9th Grade
•
Practice Problem
•
Hard
塗老師 塗老師
FREE Resource
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72 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在完成USB風扇調速器的電路中,為何不直接將555 IC銲接在電路板上,而是在電路板上銲接IC插座,再將555 IC裝上?
增加電壓
增加電阻
避免555 IC因銲接不良而損壞
避免意外導通其他元件
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
風扇調速器要使用小孔距的洞洞板來銲接電路。在布置元件時,我們將元件安排得比較鬆散,讓接腳之間保留些許空位,其主要目的為何?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
晴美想要挑戰編寫嵌入式系統的控制程式,但苦於沒有文字式程式設計的基礎,下列那一種程式工具比較適合他呢?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知嵌入式系統是一種專門為特定用途量身打造的專用電腦系統。根據此定義,下列何者不屬於嵌入式系統?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用555 IC製作電路時,應如何選用電路板規格?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作風扇調速器時,材料中的「杜邦線、排針」功能為何?
避免銲接元件接腳時意外導通其他元件
避免555 IC因銲接不良而損壞
方便連接可變電阻、USB孔座等外接元件
調整輸入電壓高低,控制風扇轉速
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PWM技術應用在LED調光電路上時,我們只會看到燈光亮暗的改變,而感覺不到光線閃爍,這是何種現象造成的?
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