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The most widely used OS in the world is Windows which provides users with a graphical user interface. ( )
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An operating system is the basic software that controls a computer. ( )
The second generation computers were based on vacuum tubes. ( )
High-level languages must first be translated into a machine language before they can be understood and processed by a computer. This job is often done by an assembler. ( )
A modem is a device that converts between analog and digital signals, making it possible for a computer to transmit information over a standard telephone line. ( )
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