Information and Communication Technology
Light reflects into the fiber optics if the angle of incidence is
less than the critical angle
greater than the critical angle
equal to the critical angle
none of above
greater than the critical angle
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C. microwaves
D. electromagnetic waves
Data storage devices are
A. random acess memory (RAM)
B. read only memory (ROM)
C. secondly memory
D. primary memory
Sound waves produced at the radio station through microphone changed into
A. electrical signals
B. heat waves
C. light waves
D. sound waves
The electric current flowing through an electromagnetic in the receiver produces a varying
A. potential field
B. magnetic field
C. shock field
D. none of above
The light will escape through optic fiber if the angle of incidence with cladding becomes
A. more than critical angle
B. less than critical angle
C. equal to critical angle
D. equal to total internal reflection
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A. electricity
B. magnetism
C. electromagnetism
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We can develop any document and see it on the screen after typing by using
A. operating system
B. word processing
C. data management
D. managing system
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