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Q. Illustrate about Optical Memories?
In 1983 one of the most successful consumer products of all times was introduced which is compact disk (CD) digital audio system. This CD was a non-erasable disk which could store more than 60 minutes of audio information on one side. Huge commercial success of this CD enabled development of low-cost optical-disk storage technology that has revolutionised computer data storage. Some optical-disk systems has been introduced. We briefly review each one of these.
Erika is on an elevator and presses the button to go down. When the elevator first begins moving, it has an acceleration of 2.5 m/s 2 downward. Erika and the elevator have
When two particles tend to each other, their motion alters or their momentum modify because of their mutual interactions. This phenomenon is called as collision. During collision
gravitational potential energy = integral of force with respect to displacement. Find height to drop 59g egg so that it just misses touching ground.
Working of Compound Microscope: The object under examination is placed in front of the objective. The objective forms it's real and inverted image with in the focal length of t
An infinitely long wire carries a current of three amps. The magnetic field outside the wire: a) Points radially away from the wire b) Points radially inward c) Circ
Consider a current loop where the circulating current is I. This may be for an example of a coil carrying a current. We will assume that the current loop lies within a single plane
Interfacial polarization takes place whenever there is an storage of charge at an interface between two materials or between two regions in a material. As shown in the material ha
What are links and symbolic links in UNIX file system? A link is a second name (not a file) for a file. Links can be used to allocate more than one name to a file, but cannot
Explain The planets? The planets:- We know in the solar system that the sun is set and that moving round it are a number of large spheres called as planets . These are nine pla
Do fiber optic transmits the radiation? Light is a radiation; hence, the answer is yes. Several fibers, depending upon the nature of the materials from that they are made, tran
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