what are the different types of register in computer architecture?

Register: It is a type of memory in which it collects and store the data  in the specific location. Three function of the register are fetching ,decoding and execution . Mainly we use the registers of size 16  bit , but it may be 8 or 32 bit  (1byte=8bit).

There are many types of registers :

• Address register : Address register is used to store the address of data. 
• Data register : It is used to store the given data .
• Accumulator :It stores the immediate data for some time.
• Program counter :It store the address of next instruction.
• Input register : It store the data from input device.
• Output register :It gives the data to output device which is given by ALU(Arithmetical and logical unit )