operand address register

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• Operand — In mathematics, an operand is the object of a mathematical operation, a quantity on which an operation is performed.[1] Contents 1 Example 2 Notation 2.1 Expressions as operands …   Wikipedia

• X86 debug register — Debug register is a register used by a processor for program debugging. On the x86 architecture, these are named DR0...DR7. The debug registers allow programmers to selectively enable various debug conditions associated with the four debug… …   Wikipedia

• x86 debug register — On the x86 architecture, a debug register is a register used by a processor for program debugging. There are six debug registers, named DR0...DR7, with DR4 and DR5 as obsolete synonyms for DR6 and DR7. The debug registers allow programmers to… …   Wikipedia

• Processor register — In computer architecture, a processor register is a small amount of storage available as part of a CPU or other digital processor. Such registers are (typically) addressed by mechanisms other than main memory and can be accessed more quickly.… …   Wikipedia

• Index register — An index register in a computer s CPU is a processor register used for modifying operand addresses during the run of a program, typically for doing vector/array operations. Index registers were first used in the British Manchester Mark I computer …   Wikipedia

• Test register — was a register used by the processor, usually to do a self test. Most of these registers were undocumented, and used by specialized software. In the x86 series, these registers were marked TR4 to TR7. Usually, regular programs don t require these …   Wikipedia

• index register — noun (computer science) a register used to determine the address of an operand • Topics: ↑computer science, ↑computing • Hypernyms: ↑register …   Useful english dictionary

• Addressing mode — Addressing modes are an aspect of the instruction set architecture in most central processing unit (CPU) designs. The various addressing modes that are defined in a given instruction set architecture define how machine language instructions in… …   Wikipedia

• PDP-11 architecture — The PDP 11 architecture is an instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC). It is implemented by central processing units (CPUs) and microprocessors used in minicomputers of the same name. Additional… …   Wikipedia

• X86 assembly language — is the assembly language for the x86 class of processors, which includes Intel s Pentium series and AMD s Athlon series. Like all assembly languages, it uses short mnemonics to represent the fundamental operations that the CPU in a computer can… …   Wikipedia

• MMIX — may also refer to the year 2009, in Roman numerals. MMIX (pronounced em mix ) is a 64 bit RISC instruction set architecture (ISA) designed by Donald Knuth, with significant contributions by John L. Hennessy (who contributed to the design of the… …   Wikipedia