Savvas Topic 7: Information Technologies

Savvas Topic 7: Information Technologies

Assessment

Flashcard

Science

8th Grade

Practice Problem

Medium

Created by

Gerrit Bergen

Used 1+ times

FREE Resource

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39 questions

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1.

FLASHCARD QUESTION

Front

What type of information does a doorbell share?

Back

That someone is at the door.

2.

FLASHCARD QUESTION

Front

How did the electrical telegraph transmit information?

Back

through the use of wave pulses as dots and dashes

3.

FLASHCARD QUESTION

Front

How are letters transmitted in morse code?

Back

different combinations of dots and dashes

4.

FLASHCARD QUESTION

Front

What does EM stand for?

Back

Electromagnetic

5.

FLASHCARD QUESTION

Front

Describe the speed of EM signals.

Back

The speed of light

6.

FLASHCARD QUESTION

Front

How do analog signals record?

Back

they continuously record some kind of action

7.

FLASHCARD QUESTION

Front

How do digital signals record?

Back

they continuously record numerical values at a set of continuous intervals

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