Computer Basic Information
Which method is of reading the characters & providing input to a computer.

Optical character reader
None of these
Card punch
Magnetic ink character
Punched paper tape

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Computer Basic Information
The MS-DOS operating system is a .....

graphical user interface, multi-tasking operating system
command-driven interface, single-tasking operating system
None of these
command-driven interface, multi-tasking operating system
graphical user interface, single-tasking operating system

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