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Information and Communication Technology
As compared to the fiber optics used in a single-mode cable, each optical fiber is a multi-mode cable is about
5 times thicker
15 times thicker
20 times thicker
10 times thicker
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Everyday Science
Software is referred to as
hardware
computer programs
binary data
procedure
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Information and Communication Technology
Microwaves are used for
telecommunication
satellite communication
code transfer
fighting cancer
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Information and Communication Technology
Telephones send information through wires in the form of
electrical signals
radio signals
microwaves
none of above
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rikazzz
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Information and Communication Technology
To convert voices into electrical signals, modern telephone uses
graphite
plates
diaphragm
lead
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Information and Communication Technology
A wireless communication station set up at a particular geographical location is called
base station
fax station
computer station
phone station
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rikazzz
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Everyday Science
In 1876, a simple telephone model to send voice in the form of the electrical signal from one place to another was made by
Charles Babbage
John Logie
Michael Faraday
Alexander Graham
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Information and Communication Technology
The temporary memory of computer is
ROM
secondary memory
primary memory
RAM
Author:
rikazzz
Comment
Everyday Science
A software that manages computer and devices connected to it is
Operating system
Random access memory (RAM)
Read only memory (ROM)
all of above
Author:
rikazzz
Comment
Information and Communication Technology
It takes the output signal from the transmission channel and delivers it to the transducer after processing it
transmitter
transmission channel
receiver
hardware
Author:
rikazzz
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