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Processor register. A register-transfer level (RTL) description of an 8-bit register with detailed implementation, showing how 8 bits of data can be stored by using Flip-flops. A processor register is a quickly accessible location available to a computer's processor. [1] Registers usually consist of a small amount of fast storage, although some ...
Instruction register. In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU 's control unit that holds the instruction currently being executed or decoded. [1] In simple processors, each instruction to be executed is loaded into the instruction register, which holds it while it is decoded ...
Program Counter (PC) is a register that keeps track of the program sequence, by storing the address of the instruction currently being executed. It is automatically loaded with zero when the chip is powered up or reset. As each instruction is executed, PC is incremented (increased by one) to point to the next instruction.
Hardware registers are used in the interface between software and peripherals. Software writes them to send information to the device, and reads them to get information from the device. Some hardware devices also include registers that are not visible to software, for their internal use. Depending on their complexity, modern hardware devices ...
Register file. A register file is an array of processor registers in a central processing unit (CPU). The instruction set architecture of a CPU will almost always define a set of registers which are used to stage data between memory and the functional units on the chip. The register file is part of the architecture and visible to the programmer ...
Instruction cycle. The instruction cycle (also known as the fetch–decode–execute cycle, or simply the fetch–execute cycle) is the cycle that the central processing unit (CPU) follows from boot-up until the computer has shut down in order to process instructions. It is composed of three main stages: the fetch stage, the decode stage, and ...
Join from a Meeting ID. Download the app on your Android or iOS device. If you're logged in and you know your meeting name or ID, tap "Join" on the Zoom app's "Meet & Tap" home screen. On the ...
Machine code. In computer science, an instruction set architecture (ISA) is an abstract model that generally defines how software controls the CPU in a computer or a family of computers. [1] A device or program that executes instructions described by that ISA, such as a central processing unit (CPU), is called an implementation of that ISA.