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8086 system with 8253, unknown clk is fed to each clki0, clki1, clki2, with N1 = 0, NO = EEEEH, N2 = CCCCH. After

8086 system with 8253, unknown clk is fed to each clkio, clki1, clki2, with N1 = 0, NO = EEEEH, N2 = CCCCH. After 4 seconds N

8086 system with 8253, unknown clk is fed to each clki0, clki1, clki2, with N1 = 0, NO = EEEEH, N2 = CCCCH. After 4 seconds NO reads %3D ABCDH. (a) calculate the unknown frequency (b) calculate NO, N1, N2 reading after 2 seconds.

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