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What are the key components and functions of the CPI in computer architecture?
The key components of the CPI (Clocks Per Instruction) in computer architecture are the clock cycle time and the number of instructions executed. The CPI measures the efficiency of a processor by indicating how many clock cycles are needed to execute an instruction. A lower CPI indicates better performance, as it means fewer clock cycles are needed to complete an instruction.
What term refers to the process of translating an instruction into signals the computer can execute?
decoding
define the Fetch-Execute cycle?
the Fetch-Execute cycle is the process by which a computer retrieves a programmed instruction from its memory, determines what actions the instruction dictates, and carries out those actions.
What is instruction cycle with interrupts?
The instruction cycle is the basic operation cycle in a computer. This is what will take in data, process it and execute as required.
How does the CPU keep track of which instruction to execute next?
The instruction register holds a pointer to the current instruction (in working memory) while the next instruction register points to the next instruction (the first instruction immediately after the current instruction's operands). If the current instruction is a jump instruction, it can change the next instruction register, allowing the program to branch to a new instruction once the jump instruction is processed. The next instruction pointer is automatically moved into the current instruction register once the current instruction has been processed. The entire process of executing an instruction is known as the fetch-decode-execute cycle.
How do the intricate workings of a computer contribute to its overall functionality and performance?
The intricate workings of a computer, including its hardware components and software programs, work together to process data, execute tasks, and perform functions. The hardware components, such as the CPU, memory, and storage devices, handle the physical processing and storage of data. The software programs, including the operating system and applications, control how the hardware components interact and execute tasks. The efficient coordination of these components and programs is essential for the computer to function properly and perform tasks quickly and accurately.
How are the three components related to each other?
The three components are interconnected in the sense that they work together to create a functioning system. The hardware provides the physical components for computing, the software provides the instructions for the hardware to execute tasks, and data is the information that is processed by the hardware and software. Together, they form the foundation of a computer system.
What is referred to by computer resources?
When people talk about computer resources, they are usually referring to the available memory in RAM and the amount of time the CPU has available to execute an instruction.
How the instruction code is stored in a cell?
Instruction codes are typically stored as binary data in memory cells in a computer system. Each instruction is represented by a sequence of bits that the processor can interpret and execute. The specific format and organization of the instruction code within the memory cells are determined by the computer architecture and the encoding scheme used by the processor.
What no of instruction will be execute by using only one clock pulse in 8085 microprocessor?
There are no instructions in the 8085 that execute in only one clock pulse. The minimum number of clock cycles is four; three for instruction fetch and one for instruction decode/execute.
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 is the function of the central processing unit?
Its main function is to execute instructions stored in a memory, which allows system to perform various tasks. the cpu retrives instruction from the memory, decodes them and then executes them. this process is known as the fetch decode execute cycle. The cpu is responsible for performing the majority of the calculations and logical operations as required by a computer. it also manages the systems memory, input/output devices and communication with other devices in the system. additionally the cpu also acts as the control center that cordinates and synchronize the activities of other components in the system. in summary the main function of a cpu is to execute instruction of the computer program. in summary the main function of cpu is to execute instruction of the computer program which in turn allows the system to perform various tasks.
