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WorksheetsYear 5R DIGITAL TECHNOLOGY Unit 1 Interpreting and Using Data
Total questions: 10
Worksheet time: 5mins
Which statements are true of binary numbers?
use on and off switches
combinations of 0s and 1s
numbers 0-9 that transmit efficiently across networks.
uses bright colours and digital music
What information was NOT included in the Arecibo message?
A figure of a human, the size of an average man, and the human population of Earth
The Solar System
Instructions on how to build an observatory
A picture of the Arecibo observatory
Why was the Arecibo message aimed at the globular star cluster M13?
It was selected by NASA as the best option.
It was randomly chosen by the satellite dish.
It was the biggest visible cluster of stars in the Northern Hemisphere.
It was Astronomer Frank Drake’s favourite cluster.
What happened on 1st December, 2020?
A message from aliens finally arrived
Astronomer Frank Drake died
A new observatory was opened
The satellite dish collapsed and fell down
A byte is
Numbers 10 and 100.
11001
8 bits
5 even numbers
Select all the statements which are true of Data.
Can be anything from temperature readings to text messages
Digital systems can use it for analysis
It always tells the truth
It can be presented visually
What did the yellow boxes represent in the Arecibo message?
Coded music from earth to show humans are intelligent.
The planets in our solar system with an image of a human suggesting that earth is their home.
Shows that the Sun is the biggest and sent the signal.
The size and order of the continents.
Why did Frank Drake draw a 'double helix' in the message?
He wanted to show how intelligent we are.
He wanted to show the pathway to Earth.
He wanted to show musical soundwaves.
He wanted to show the aliens what we were made of.
(a) detect changes in the environment and convert them into signals a computer can understand.
Digital devices
Automated systems
Binary Codes
Computers rely on a clear information flow such as ...
Processing storage and sorting input and output
Collection of output and showing data
Input, storage, processing and then output
Storing visual representations of data
