Electrical current can generate a magnetic field but a magnetic field cannot generate electricity.
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Q12: Disk drives share one set of read/write
Q13: Secondary storage is generally expensive compared with
Q14: Serial access time depends on the current
Q15: Communication channel capacity is generally a restriction
Q16: Capacitors can charge and discharge much faster
Q18: 512- and 4096-byte blocks are the most
Q19: Because sequential access time is so much
Q20: Wait states increase CPU and computer system
Q21: _ is a generic term for describing
Q22: To increase capacity per platter, disk manufacturers
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