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8086 is risc or cisc based architecture?

Anonymous

∙ 15y ago

Updated: 11/4/2022

The 8086/8088 is a CISC based architecture.

Wiki User

∙ 15y ago

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Q: 8086 is risc or cisc based architecture?

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Diff bw risc and cisc?

CISC stands for Complex Instruction Set Computer. CISC chips are relatively slow per instruction,but use little instructions RISC stands for Reduced Instruction Set Computer. A fewer, simpler and faster instructions would be better, than the large, complex and slower CISC instructions. However, more instructions are needed to accomplish a task. It's easier to write powerful optimised compilers, since fewer instructions exist.

What do RISC and CISC stand for and what are the differences in practice?

RISC stands for Reduced Instruction Set Computer CISC stands for Complex Instruction Set Computer RISC processors have a simpler set of machine instructions than CISC processors, but are intended to be more efficient and flexible in processing programs and data. Because of the reduced instruction set, RISC processors demand more effort on the part of the compiler (not the end user) and use longer machine language programs. RISC processors are more flexible in the sense that they are not as preconfigured in how they process programs and data. CISC microprocessors actually preceded RISC microprocessors and were derived from microcontroller based mini-computers such as the HP2100. See the Wikipedia entries on "Complex Instruction Set Computer" and "Reduced Instruction Set Computer" for more.

Difference between 8031 8051 and 8751 microcontrollers?

Answer It is both 8 bit processors in a 40 pin package but it is not pin compatible, it have almost the same functions but it is very difficult to compare the two because it is not the same family.

What is the meaning of RISC in AVR microcontroller?

tell the meaning of risc and sisc microcontoller

How do you Convert C plus plus code to MIPS?

C++ is high-level source code, while MIPS is low-level machine code for a reduced instruction set computer (RISC). To convert C++ source code to MIPS you need a C++ compiler specific to the MIPS architecture you're building against.

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Related Questions

Dsp architecture cisc or risc?

risc

Which two categories are used to classify CPU architecture?

CISC and RISC are the two categories that are used to classify CPU architecture. CISC is an acronym for complex instruction set computer.

Is 8085 cisc or risc?

RISC is faster than CISC

Why arm7 processor is not a perfect risc processor?

There is still considerable controversy among experts about which architecture is better. Some say that RISC is cheaper and faster and therefor the architecture of the future.Others note that by making the hardware simpler, RISC puts a greater burden on the software. Software needs to become more complex. Software developers need to write more lines for the same tasks.Therefore they argue that RISC is not the architecture of the future, since conventional CISC chips are becoming faster and cheaper anyway.RISC has now existed more than 10 years and hasn't been able to kick CISC out of the market. If we forget about the embedded market and mainly look at the market for PC's, workstations and servers I guess a least 75% of the processors are based on the CISC architecture. Most of them the x86 standard (Intel, AMD, etc.), but even in the mainframe territory CISC is dominant via the IBM/390 chip. Looks like CISC is here to stay …Is RISC than really not better? The answer isn't quite that simple. RISC and CISC architectures are becoming more and more alike. Many of today's RISC chips support just as many instructions as yesterday's CISC chips. The PowerPC 601, for example, supports more instructions than the Pentium. Yet the 601 is considered a RISC chip, while the Pentium is definitely CISC. Further more today's CISC chips use many techniques formerly associated with RISC chips.So simply said: RISC and CISC are growing to each other.

Is Pentium 4 a cisc or risc?

RISC

Is pic microcontroller a cisc or risc?

risc

Pentium 4 use risc or cisc?

CISC

Are Pentium 1 Risc Processors or Cisc?

Pentium I processors are CISC.

Different types of instruction set architecture?

RISC - Reduced Instruction Set Computer CISC - Comples Instruction Set Computer

What is architecture characteristic of risc and cisc?

character of risc -load store architecture -fixed length instruction -hardwired control instruction -pipelined implementation character of cisc -many instruction that access memory directly -large number of addressing mode -variable length instruction code -support of misaligned accesses answer by sachita pandey

Please can someone give me the answera) Identify any FOUR 4 drawbacks of a CISC processor compared to a RISC processor?

In CISC, the instruction set is very large that can be used for complex operations while in RISC the instruction set is reduced, and most of these instructions are very primitive. CISC computer's execution time is very high whereas RISC computer's execution time is very less. In, CISC code expansion is not a problem while in RISC code expansion may create a problem. In CISC, decoding of instructions is complex whereas, in RISC, the decoding of instructions is simple. CISC requires external memory for calculations, but RISC requires external memory for calculations. CISC has only a single register set while RISC has multiple register sets are present.

Which has less number of instruction risc or cisc?

RISC stands for Reduced Instruction Set Computer. The design strategy of a RISC processor includes limiting the number of instructions. This does not mean that ALL RISC processors have less instructions than ALL CISC processors, but in general, they do.

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