Explores the evolution of magnetic storage techniques, from longitudinal to perpendicular recording, and heat-assisted magnetic recording, as well as magnetic-core memory principles and magnetoresistive RAM technology.
Explores the photon concept in electromagnetic waves, including energy, momentum, emission by charges, coherence length, and the electromagnetic spectrum.
Covers persistence in computer science, focusing on magnetic disks and their performance characteristics, including seek time, rotational latency, and disk scheduling algorithms.
