Instruction register and decoder in 8085

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Instruction Register. ? Temporary store for the current instruction of a program. Latest instruction sent here from memory prior to execution. Decoder then In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU's control unit that holds the instruction currently It is actually called as Instruction decoder. It is an 8-bit register. When an instruction is fetched from memory then it is stored in the Instruction 8085 Instruction. Set by Opcode These instructions transfer data between registers and memory. Instruction decoder 31. Instruction register 30.It is an 8-bit register. When an instruction is fetched from memory then it is stored in the Instruction register. Instruction decoder decodes the instruction it gets moved to the Instruction Register. The instruction in IR (opcode) gets decoded and executed by the control unit, CU. Write a function of following functional units of 8085 Microprocessor (1) This interprets the content of instruction register and determines exact steps