When a startup failure occurs before the logon user interface appears, the problem could be hardware-related but it is most likely due to an issue with one of the drivers or services that the kernel is attempting to load. to locate the offending driver or service, you must first attempt to get the computer started by using which of the following?

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Asequential circuit contains a register of four flip-flops. initially a binary number n (0000 ≤ n ≤ 1100) is stored in the flip-flops. after a single clock pulse is applied to the circuit, the register should contain n + 0011. in other words, the function of the sequential circuit is to add 3 to the contents of a 4-bit register. design and implement this circuit using j-k flip-flops.

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