Question

what is nibble?

what is counter?

Answer 1

Nibble:-

• Nibble is nothing but the name of 4 bit binary number i.e. 8 bits equal a Byte similary the 4 bit binary digits is Nibble.
• A single haxadecimal number is represented by a Nibble i.e. by 4 bits.

Counter:-

• Counter is a sequential circuit which consists of groups of flip flops (along with a clock signal) that is used to counting the pulses.
• Generally, there are two types of counter :i)Synchronous counter and (ii)  Asynchronous counter
• In Synchronous counter the same clock signal is applied to all flip flop at the same time.
• In Asynchronous counter the different clock signal are provided to each flip flops i.e. output of of one flip flop is given as clock signal for the next flip flop.
• Asynshronous counter is also known as ripple counter.