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

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

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Computer Basic Information
What is Cache RAM ?

Fast memory used for data that is accessed often
Its the same as your Hard Disk Drive
A place to store secret information like passwords
Extra memory used for overflow from your Hard Disk

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