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The CPU executes a program through a cycle known as the fetch-decode-execute cycle. First, the control unit fetches the instruction from memory, using the program counter to keep track of the current instruction's address. Next, the instruction is decoded to determine the required operation and operands. Finally, the execution unit carries out the instruction, performing calculations or data manipulation as specified, and the results may be stored back in memory or registers.
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What action is taken by CPU after reset to execute first instruction of program?
The fetch-execute cycle.
Which component executes program instructions?
The CPU executes program instructions.
How are programs copied into the CPU for it to read?
Programs are copied into the CPU for it to read through a process called loading. Loading involves transferring the program's instructions from storage, such as a hard drive or memory, into the CPU's memory for execution. This allows the CPU to access and execute the program's instructions in the correct sequence.
What is the function of the control unit in the CPU?
The control unit provides the timing and control signal to all operations of microcomputer. It control the flow of data between microprocessor and memory and peripherals.
What is another name for the processor chip?
Another name for the processor chip is the central processing unit (CPU). It is the core component of a computer system responsible for carrying out instructions to execute programs and perform calculations.
What is a CPU cycle?
The sequence of steps that a CPU performs.Also known as fetch-decode-execute cycle.
Is CPU a program?
yes cpu is a program which is used to run moniter
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.
Why contents of a program counter change?
The PC (program counter) is a CPU memory variable, commonly called a "register," that the CPU uses to track where the current executing instruction is located in memory, or on some CPUs, where the next instruction to execute is. Without a PC, the CPU would not know where the code it is currently executing is stored, and thus would not be able to run programs.
Where are programs copied into for the CPU to read?
Programs are copied into the computer's memory (RAM) for the CPU to read and execute.
Who execute a program?
Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.
What is the term for a CPU's complete set of commands?
The entire set of instuctions that a CPU can execute is known as the CPU INSTUCTION SET.
