Computer Basic Information
The 7-bit ASCII code widely used

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

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Computer Basic Information
Super-computers

None of these
Can now fit on a single silicon chip
Are not fast enough for some applications
Are found at thousands of sites around the world
Are usually designed to process accounting applications

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

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

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