WebAnd PC is the program counter a shortcut for typing r15. When you perform a call, called a branch link instruction, bl, the return address is placed in r14, the link register. the program counter pc is changed to the address you are branching to. Web- Program Counter (PC): stores address of next instruction - Instruction Register (IR): stores instruction - Data Register (DR): stores data - Address Register (AR): hold addresses to …
Computer Architecture MCQ (Multiple Choice Questions)
WebDescription: The CISC Stands for Complex Instruction Set Computer, developed by the Intel. It has a large collection of complex instructions that range from simple to very complex … Web• PC (program counter) is special internal register inside processor holding byte address of next instruction to be executed • Instruction is fetched from memory, then control unit executes instruction using datapath and memory system, and updates program counter (default is add +4 bytes to PC, to move to next sequential instruction) 23 the lucky bastard itis
What is program counter? Definition from TechTarget
WebJun 16, 2024 · A program counter (PC) is a CPU register in the computer processor which has the address of the next instruction to be executed from memory. It is a digital counter needed for faster execution of tasks as well as for … WebSep 9, 2024 · A program counter (PC) is a CPU register in the computer processor which has the address of the next instruction to be executed from memory. It is a digital counter needed for faster execution of tasks as well as for tracking the current execution point. WebAnswer: (c) Program Counter. Description: The Program counter monitors the execution of instructions. It keeps track on which instruction is being executed and what the next instruction will be. The Program Counter (PC) also contains 12 bits that hold the address of the next instruction to be read from memory after the current instruction is ... the lucky barrel brownsville texas