Computer Basic Information
The 7-bit ASCII code widely used

For data communication work
None of these
For coding external memory
In large machines produced by non-IBM vendors
In IBM mainframe models

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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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