Digital Technology

Digital Technology

9th Grade

10 Qs

quiz-placeholder

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Digital Technology

Digital Technology

Assessment

Quiz

Physics, Science

9th Grade

Practice Problem

Hard

NGSS
HS-PS4-2, HS-PS4-5, HS-ETS1-3

Standards-aligned

Created by

Pansy Ezekiel

Used 16+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are two reasons that digital storage of data is so reliable?

Memory chips do not break easily.

Digital data are easy to change.

Copied data decrease in quality each time a copy is made.

Digital data can usually be recovered even if the storage device stops working.

Tags

NGSS.HS-PS4-2

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are two reasons digital storage of data is more secure than analog storage?

Digital data can be encoded by a computer program.

Digital data can be protected by a fingerprint or facial ID.

Access to digital data requires a stronger password.

Digital data are easy to change with a computer program.

Tags

NGSS.HS-PS4-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is a disadvantage of stored digital data?

Hackers might steal it for personal gain.

It's hard to accidentally delete it.

It is rarely affected by computer viruses.

It is easy to hide information inside other files.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which advantage of stored digital data could also be a disadvantage?

Stored digital data can be copied perfectly time after time.

Stored digital data are reliable.

Systems have been developed to protect stored digital data.

Information in stored digital data can be quickly changed.

Tags

NGSS.HS-PS4-2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Access to cloud computing is an advantage of transmitting information using digital signals. What is "the cloud"?

Cables through which lasers send fast pulses of infrared light

The pattern of wave pulses that produces the digital code

A huge number of servers that communicate over a network

All of the data downloaded to a user's computer

Tags

NGSS.HS-PS4-2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why can videos be streamed from one computer to another with excellent quality?

They are transmitted using analog signals.

They are transmitted using digital signals.

They are received using either analog or digital signals.

They are received using both analog and digital signals.

Tags

NGSS.HS-PS4-2

NGSS.HS-PS4-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one disadvantage of transmitting personal data using digital signals?

The data could be accessed or stolen.

The data can be changed by being transmitted.

The data cannot be accessed by other computers.

The data are easily changed into different data.

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