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What are the four basic operations of a processor?
The four basic operations of a processor are fetch, decode, execute, and write back. During the fetch phase, the processor retrieves an instruction from memory. In the decode phase, it interprets the instruction to understand what actions are required. The execute phase involves carrying out the instruction, and in the write back phase, the processor updates the memory or registers with the results of the execution.
How do you add new machine language instruction to a processor intsruction set?
To add a new machine language instruction to an processor instruction set, you need to replace the microcode of the processor.
What is the fetch-decode-cycle on a computer?
when we execute a program, the starting address is loaded in the program counter. Then for each instruction the processor goes through fetch-decode-execute states. At the fetch state the instruction code is fetched then decoded to understand what exactly has to be done. Then finally it executes that instruction. This process goes on till it reaches the end of the program.
What do Fetch Decode and Execute mean in a microprocessor?
Fetch Decode Execute. This is the cycle that processors will follow. Fetch the Instruction, Decode it into machine code, Execute the commands
Why DSP processor is used in cell phones?
You need DSP processors to encode/decode the signals, performs channel encoding and source encoding.
What are the various phases of an instruction cycle Give the micro operation of fetch and decode phases?
there are 4 phases in instruction cyclefetchdecodeexecutestore
What is an instruction in assembly language?
An instruction is the lowest level of commands which can be issued to a processor.
Which is the long instruction in 8085 instruction?
The CALL instruction uses 18 clock cycles. 3x3 fetch, 2x3 store, 1x1 decode, 2x1 decrement.
What are the 3 instruction cycles?
1. Fetch 2. Decode 3. Execute
What is the need of Instruction PointerIP in 8086 microprocessor?
The Instruction Pointer (IP) in an 8086 microprocessor contains the address of the next instruction to be executed. The processor uses IP to request memory data from the Bus Interface Unit, and then increments it by the size of the instruction.
What do you understand by programming model of a microprocessor?
Micro-Processor programming model refers to the Micro-Processor system as seen by a programmer. It involves the following: The Instruction Set - The Micro-Processor internal Registers - The way Micro-Processor accesses the memory (Addressing - Mode): Micro-Processor 'Fetches' (reads) an instruction from memory, 'Decodes' (interprets) the instruction, and then 'Executes' (carries out the task) the instruction. It repeats the cycle for next instruction. By Fijabi Isaac M. Tech Computer Sc.
What are commands that give instruction to C processor?
It depends on what on earth do you mean by 'C processor'.
