Fundamental differences between risc and cisc architecture, Computer Engineering

Assignment Help:

Q. Fundamental differences between RISC and CISC architecture?

Fundamental differences between RISC and CISC architecture. The following table lists following differences:

CISC

RISC

1.  Large number of instructions - from

120 to 350.

 

1. Relatively fewer instructions - less than 100.

2. Employs a variety of data types and a large number of addressing modes.

2. Relatively fewer addressing modes.

3. Variable-length instruction formats.

3. Fixed-length instructions generally 32 bits, easy to decode instruction format.

4. Instructions manipulate operands residing in memory.

4. Mostly register-register operations. The only memory access is by explicit LOAD/STORE instructions.

5. Number of Cycles Per Instruction (CPI) varies from 1-20 depending upon the instruction. 

5. Number of CPI is one as it uses pipelining. Pipeline in RISC is optimised due to simple instructions and instruction formats.

6. GPRs varies from 8-32. But no support is available for the parameter passing and function calls.

6. Large number of GPRs are available which are mainly used as Global registers and as a register based procedural call and parameter passing stack so optimised for structured programming. 

7. Microprogrammed Control Unit.

7. Hardwired Control Unit.


Related Discussions:- Fundamental differences between risc and cisc architecture

Functions in first-order logic sentences, Functions in first-order logic se...

Functions in first-order logic sentences - artificial intelligence: Functions may be thought of as special predicates, where we think of all but 1 of the arguments as input and

What is a client in sap terminology, What is a client in SAP terminology? ...

What is a client in SAP terminology? A S/W component that uses the service (offered by a s/w component) is known as a Client.  At the similar time these clients may also be ser

What is effective address, Q. What is Effective Address ? The symbol EA...

Q. What is Effective Address ? The symbol EA (Effective Address) refers to a physical address in a non-virtual memory environment and refers to a register in a virtual memory a

Develop a calculator in masm, Assignment:  develop a calculator in MASM. ...

Assignment:  develop a calculator in MASM. Text chapters covered:  1 through 4, 5.4, 5.5, 6.3, 7.4 You will develop a "calculator" algorithm in MASM using reverse-polish nota

What is the analysis techniques object modelling, What is the Analysis Tech...

What is the Analysis Techniques Object Modelling Object modelling is very significant for any object oriented development, object modelling shows static data structure of real

Virtual manufacturing system, Virtual Manufacturing System Virtual manu...

Virtual Manufacturing System Virtual manufacturing system or VMS is a synthetic, integrated manufacturing environment, developed by using information technology tools, exercise

Define memory address map, Define memory address map? Addressing of mem...

Define memory address map? Addressing of memory can be established by means of a table that specifies the memory address assigned to each chip. The tables, known as memory addr

Role of information system in business, Q. Role of information system in bu...

Q. Role of information system in business? Ans. 1. Information System is grouping of two terms namely - 1) Information 2) System 1. Information - Information is dat

Restore the system defaults, In order to restore the system defaults for al...

In order to restore the system defaults for all changes made with the format statement is Format Reset

Micooperation, please suggest me ,how to write microopertions,and study for...

please suggest me ,how to write microopertions,and study for computer architecture

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd