
國三下 1-2藍牙
Quiz
•
Computers
•
9th Grade
•
Practice Problem
•
Medium
吳竑志 吳竑志
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
隨著科技不斷演進,逐漸發展出「無線網路」,改以OOO作為網路訊號的傳輸媒介,常見的無線網路有藍牙、Wi-Fi(Wireless Fidelity,無線相容性)、行動網路等。
電磁波
重力波
雙絞線
天線
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電磁波頻率越高,網路傳輸速度也就越(快/慢)
快
慢
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電磁波頻率越高,訊號越易受到障礙物的影響而衰減,因此能傳輸的距離比較(長/短)
長
短
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電磁波頻率越高,訊號越易受到障礙物的影響而衰減,因此能傳輸的距離比較短,因此使用時的訊號較強/弱
強
弱
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用手機與基地臺進行通訊,達成通話或資料傳輸的目的,
基地臺的密度大約 250 ~ 800 公尺一座。
以上述續是指何種無線網路?
WIFI
藍牙
行動網路
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
傳輸距離約10~300公尺,成本低、 體積小、安全性高,可進行語音及數 據通訊。
以上述續是指何種無線網路?
WIFI
藍牙
行動網路
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
傳輸距離合理是50公尺, 但訊號易受到環境因素(如遮蔽物) 的影響。
以上述續是指何種無線網路?
WIFI
藍牙
行動網路
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