22415 Rar May 2026

Handles external bus operations, including fetching instructions, reading/writing data from memory, and maintaining a 6-byte instruction queue (pipelining).

Uses a base or index register plus an optional displacement. 4. Instruction Set Categories Data Transfer: MOV , PUSH , POP , XCHG , IN , OUT . Arithmetic: ADD , SUB , INC , DEC , MUL , DIV . Logical: AND , OR , NOT , XOR , SHL , SHR . Branch/String: JMP , CALL , RET , LOOP , MOVS , CMPS . 5. Memory Segmentation 22415 rar

Data is part of the instruction (e.g., MOV AX, 0005H ). Instruction Set Categories Data Transfer: MOV , PUSH

The 8086 uses various methods to specify the operands of an instruction: Branch/String: JMP , CALL , RET , LOOP , MOVS , CMPS

Decodes and executes instructions using the Arithmetic Logic Unit (ALU), flags, and general-purpose registers. 2. Architecture and Register Organization