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What cycle is used by the CPU to execute instructions in a programs?
fetch,decode
What is a CPU cycle?
The sequence of steps that a CPU performs.Also known as fetch-decode-execute cycle.
What is memory cycle in CPU?
fetch decode exec store
The proper sequence of actions in a machine cycle is?
The proper sequence of actions in a machine cycle typically includes fetch, decode, execute, and writeback. During fetch, the CPU retrieves instructions from memory. In decode, the CPU translates the instructions into signals the computer can understand. The execute stage involves actually carrying out the instruction, and writeback stores the result back into memory if needed.
Explain steps involve in instruction execution cycle?
The two-phase process for executing instructions on a typical CPU involves a fetch step and an execute step. Fetch is where the instruction is loaded from memory and execute is where the actions detailed in the instruction are carried out.
What is a cycling machine?
Each time the CPU executes an instruction, it takes a series of steps. The complete series of steps is called a machine cycle. A machine cycle can be divided into two smaller cycles. These are instruction cycle and execution cycle. Instruction cycle: In instruction cycle CPU takes two steps-- 1. Fetching: Before the CPU can execute an instruction, the control unit must retrieve or fetch a command or data from the computer's memory. 2. Decoding: Before a command can be executed, the control unit must decode the command into instruction set. Execution cycle: In execution cycle CPU also takes two steps-- 1. Executing: When the command is executed, the CPU carried out the instructions in order by converting them into macrocode. 2. Storing: The CPU may be required to store the result of an instruction in memory.
Is the CPU updating cycle another name for the CPU processing cycle?
true
What is CPU cycle time?
The CPU cycle time is the time between start up and shutdown
What is the difference between bus cycle and instruction cycle?
Bus cycle refers to the process of transferring data between the CPU and memory or peripherals, while instruction cycle refers to the series of steps that the CPU goes through to fetch, decode, and execute instructions. In other words, bus cycle involves the movement of data, while instruction cycle involves the actual execution of instructions.
Which CPU's can decode HD video, like h.264 in real-time?
There is the New all-in-one VIA chipset can decode 1080p video in real time.
CPU does not distinguish data and operation code explain?
As far as the bus interface is concerned, there is no real difference between data and instructions. Except for the S0 pin, an opcode fetch will look the same as a memory read. There is one extra clock cycle following an opcode fetch, which is used by the CPU to decode and process the opcode, but the bus does not care because there is no sequence initiation with ALE.
What are the 4-step machine cycle and describe what occurs at each step?
The 4-step machine cycle consists of Fetch, Decode, Execute, and Store. Fetch: The CPU retrieves an instruction from memory, using the program counter to determine the address. Decode: The fetched instruction is interpreted to understand what action is required, identifying the operation and the operands involved. Execute: The CPU performs the operation specified by the instruction, which may involve arithmetic calculations or data manipulation. Store: Finally, the result of the execution is written back to memory or a register, completing the cycle before moving on to the next instruction.
