Information and Communication Technology
Data storage devices are
random acess memory (RAM)
read only memory (ROM)
secondly memory
primary memory
secondly memory
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To send the sound waves to far off areas, they are converted toA. radio waves
B. frequency
C. microwaves
D. electromagnetic waves
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
Cassettes are based on
A. electricity
B. magnetism
C. electromagnetism
D. waves
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
The way of doing business on the web is known as
A. web browsing
B. e-mail
C. post
D. e-commerce
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