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Graphics Interchange Format  |  1998-02-10  |  50KB  |  479x243  |  4-bit (16 colors)
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OCR: Circuit-switched Services Workstation Workstation Virtual orcuit HATAT Circuit exists only for the individual call; it is not permanent Figure 2: Circuit-switched networks provide a direct. polit-to-point connection for the duration of the call and may be routed differently each time a connection is establishedt.