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10Antenna TV has better audio-visual quality than Dish TV.
Dish TV requires satellites for broadcasting digital signals.
Digital signals are represented by two digits: 0 and 1.
High signal in a digital circuit represents 0.
Analogue signal shows continuous variation in voltage.
4 bits make 1 Byte.
8 bits are called 1 Byte.
1024 Bytes make 1 KB.
Digital signals are not used in modern information and communication systems.
Computer memory can store large amounts of data permanently.
Percentage: 0%
Which of the following represents an analogue signal?
Which TV type has the poorest audio-visual quality?
Signals in Dish TV are transmitted via:
In digital signals, high potential difference represents:
Low potential difference in a digital signal represents:
How many possible combinations are there for 3 binary digits?
1 Byte is equal to:
1024 Megabytes make 1:
Continuous fluctuation in voltage represents a:
Computer memory can store data in formats such as:
Antenna-powered television has the poorest ______-visual quality.
Dish TV broadcasts ______ signals received from satellites.
Cable TV requires a ______ modem to connect to a computer.
Digital signals must be converted back to ______ signals for audio-visual output.
Turning the switch on in Activity 13.1 represents a ______ signal (1).
Turning the switch off in Activity 13.1 represents a ______ signal (0).
Continuous increase and decrease in voltage across a bulb shows an ______ signal.
Digital signals are represented using ______ digits 0 and 1.
8 bits make 1 ______.
The storage capacity of computers is measured in units like ______, Bytes, KB, MB, GB, TB.