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Y12 senior science OLD Past questions information systems Flashcards | StudBud
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Y12 senior science OLD Past questions information systems
Y12 senior science OLD Past questions information systems
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HSC Senior Science Information Systems past m/c questions from 2008, 2009, 2010
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
EM Features
Pass through atmosphere
Simple detection
Optical fibre
High speed
2
FM
Clearer
Carry info
Distance
Speed info
3
Modulated EM
Compact Disk players
Fibre Optics
AM Radio
FM radio
4
AM RADIO
Reflected, speed, straight line
Reflected, speed, security
Reflected, security, straight line
Speed, security, straight line
5
Energy transformations
Electrical -microwave
Sound - microwaves
Electrical - sound
Microwaves - sound
6
EM radiation
UV, microwaves, gamma
X-ray, UV, gamma
Infra-red, visible, gamma
Visible, microwaves, infra-red
7
Communication
Verbal, non-electronic
Non-verbal, electronic
Non-verbal, non-electronic
Verbal, electronic
8
Electrical signals
To store digital data on a hard drive
To transmit a signal to an FM radio antenna
To stimulate the heart
To transmit a fax along a copper wire
9
Look at the digital code below.
13
11
6
3
10
Timeline
Land-connected phone
Mobile phone
Internet
Television
11
Information process
Transmit - encode - decode
Encode - decode - transmit
Transmit - decode - encode
Encode - transmit - decode
12
View the energy transformations below
S - E - M - E -S
S -E - I - E - S
E - S - M - S - E
E - S - I - S - E
13
EM radiation
Gamma: MRI
Infra-red: broken bone
Visible light: CD player
X-ray: TV remote
14
Which shows the correct features of a geostationary satellite that sends TV to NSW?
24: N : fixed
12: S :changes
12: N : changes
24: S : fixed
15
Image scanning
Decrease time taken
Maximise extracted information
Convert data to electrical signals
Convert analogue to digital
