Electronics and Communication Engineering - Digital Electronics

The counter which require maximum number of FF for a given mod counter is

Four inputs A, B, C, D are fed to a NOR gate. The output of NOR gate is fed to an inverter. The output of inverter is

The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?

1. Program counter
2. Processor register
3. Certain status conditions

In a gate output is Low if and only if all inputs are High. The gate is

With on-chip decoding, n address lines can access