S2REN 练习1

S2REN 练习1

8th Grade

10 Qs

quiz-placeholder

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S2REN 练习1

S2REN 练习1

Assessment

Quiz

Computers

8th Grade

Hard

Created by

T-HEONG HO

Used 1+ times

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10 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

1. 电子商务的特点有多少种?

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

2. _________由政府成立的网站,主旨为了提高政府对人民的传递系统。

3.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

3. 常见的电子交易的安全机制有多少种?

4.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

4. _________指连续性的数据,如人们说话的声音和音乐等 。

5.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

5. __________指非连续性的数据,如闪灭的灯号或数字等

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

6. __________就是数据通过电脑装置所产生讯号在通讯通道如电缆线、光纤或微波在空气中传输处理的过程 。

7.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

7. ________发送端只能发送讯息出去;接收端只能接收讯息,不能发送讯息出去。如电视广播及电台广播等 。

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