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Information Technology

Authored by Michelle Scilingo

Science

6th - 8th Grade

NGSS covered

Used 72+ times

Information Technology
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30 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Analog signals are _____________ affected by noise than digital signals.

more

less

similarly

not

Tags

NGSS.MS-PS4-3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which does NOT help explain why digital signals are more reliable than analog signals?

Noise is more easily filtered from digital signals.

Digital signals are smooth and continuous.

Digital signals consist of two values only

Analog signals deteriorate due to noise.

Tags

NGSS.MS-PS4-3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Computers use digital information that is encoded as _________numbers.

real

binary

boolean

positive

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Digital signals ____________

can only be stored on computers

consist of only two values

cannot be transmitted by light waves

are what is stored by camera film

Tags

NGSS.MS-PS4-3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which best explains why the receiver of a signal must understand the code or language being used?

This allows the signal to be decoded

This allows the signal to be transmitted

This allows the signal to be converted to binary.

This allows the signal to be encoded.

Tags

NGSS.MS-PS4-3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What do all signals that are used to communicate have in common?

They all involve light waves.

They all send information.

They all use printed words.

They all use a series of sounds.

Tags

NGSS.MS-PS4-3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is a disadvantage of using radio waves to transmit information?

They do not permanently move matter

They can travel over long distances.

They can be varied to hold information.

They lose energy as they travel through mediums.

Tags

NGSS.MS-PS4-3

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