A cascade of three identical modulo -$$5$$ counters has an over all modulus of

An output device is interfaced with $$8$$ bit microprocessor $$8085$$$$A.$$ The interfacing circuit is shown in figure

The interfacing circuit makes use of $$3$$ line to $$8$$ line decoder having $$3$$ enable lines $${E_1}\,\,\overline E {}_2,$$ $$\,\overline E {}_3$$. The address of the device is

The three circuit elements shown in the figure are part of an electric circuit. The total power absorbed by the three circuit elements in watts is ________________.

In the figure, the value of resistor R is $$\left(25+\frac{\mathrm I}2\right)\mathrm\Omega$$, where I is the current in amperes. The current I is _____.