Computer Basic Information
In a punched card system, data is processed by a

accounting machine, keypunch machine, and sorter
None of these
accounting machine, posting machine, and billing machine
sorter, posting machine, and billing machine
keypunch machine, sorter, and posting machine

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Computer Basic Information
Impact printers

strike a ribbon against the paper to produce character images
use optical technology
include ink-jet and thermal devices
are more expensive than Laser printers
None of these

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