國中技藝競賽學科題庫1-50
Quiz
•
Computers
•
6th - 8th Grade
•
Practice Problem
•
Hard
李厚承 李厚承
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
本圖符號為
橋式整流器
發光二極體
光耦合器
光電晶體
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖符號表示
電熱線
熱電偶
焊接點
音叉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我國在標示合格之電子產品規格時，標示之國家標準為何？
CSA
JIS
DIN
CNS
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
太陽能電池是利用陽光直接照射，下列何者可產生電流？
集熱器
玻璃片
矽晶片
銅片
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電腦資料線內的資料傳輸是雙向性的，但又不能雙向同一時間傳輸，此種傳輸模式稱為
單工
半雙工
雙工
分工
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電機工程中機械功率之單位為馬力，則1馬力等於多少瓦？
0.746
1
746
1000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有n個相同之電池，其串聯總電動勢為並聯總電動勢之多少倍？
n平方
n
1/n
1/n平方
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