Binary (base 2) is much easier to encode on a hard drive as it only has two states, whereas letters, numbers and symbols can be one of hundreds.
Answer:
I will check if the lights on the adapter is functioning correctly?
Explanation:
The answers are:
C
A
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Answer:
(i) The rotation speed must stay the same.
(ii) The rotation speed must increase.
(iii) The rotation speed must decrease.
Explanation:
According to Equation
10.10, the angular speed must therefore vary as the laser–lens system moves
radially along the disc. In a typical CD player, the constant speed of the surface at
the point of the laser–lens system is 1.3 m/s.