In the output stage of a standard TTL, we have a diode between the emitter of the pull up transistor and the collector of the pull-down transistor. The purpose of this diode is to isolate the output node from the power supply $${V_{cc}}$$.

Synchronous counters are _____ than the ripple counters.

Match the List-1 (type of 8-bit ADC) with List-2(Minimum conversion time in clock cycles)

List - 1

A. Successive approximation
B. Dual-slope
C. Parallel Comparator

List - 2

1) 1
2) 8
3) 16
4) 256
5) 512

A ring oscillator consisting of 5 inverters is running at a frequency of 1.0 MH$$_z$$. The progagation delay per gate is ______