Everyday ScienceInformation and Communication Technology
A software that manages computer and devices connected to it is
Operating system
Random access memory (RAM)
Read only memory (ROM)
all of above
Operating system
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
To send the sound waves to far off areas, they are converted to
A. radio waves
B. frequency
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 density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
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
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
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