Why do we need registers, Computer Engineering

Assignment Help:

Why do we need Registers?

If tcpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and tmem is memory cycle time which is the speed at which memory can be accessed by CPU then (tcpu/tmem) is in the range of 2 to 10 i.e. CPU is 2 - 10 times faster than memory. So CPU registersare the fastest temporary storage areas. So the instructions whose operands are stored in fast CPU registers can be executed fast in comparison to instructions whose operands are in main memory of a computer. Every instruction should designate the registers it will address. So a machine needs a large number of registers.

1440_Why do we need Registers.png

Figure: CPU with general register organisation


Related Discussions:- Why do we need registers

What qualifications needs to be an security professionals, Qualifications o...

Qualifications of security professionals For the security professionals, it is essential that they have adequate freedom to check the security measures and enforce them and

Parallel random access machines, PRAM is one among the models which are use...

PRAM is one among the models which are used for designing the parallel algorithm as shown in Figure. The PRAM model comprises the following components: i)  A group of identical

Programming languages array operations, Q. Programming languages array oper...

Q. Programming languages array operations? In programming languages array operations are written in compact form which frequently makes programs more understandable. Conside

Ai applications, AI Applications Search is a crucial component of an AI...

AI Applications Search is a crucial component of an AI system, and the search functions are performed over large quantities of difficult structured data using unstructured inpu

Compute total and access methods, Write a program that input (from the user...

Write a program that input (from the user) the number of hours worked and hours pay rate for employees and output their total pay. The program should process an arbitrary number of

Which datatype cannot be used to define parameters, Which datatype cannot b...

Which datatype cannot be used to define parameters. Type F datatype is not used to explain parameters.

3 sets of input data, Prepare at least 3 sets of input data (Test data) alo...

Prepare at least 3 sets of input data (Test data) along with expected output for testing your program.

Advantage of booth and restoring division algorithm, Describe the advantage...

Describe the advantage of using Booth algorithm? Ans:  a) It achieves efficiency in the number of additions needed when the multiplier has a few large blocks of 1's. b) It

What is non-volatile bios, Nonvolatile BIOS memory refers to a small memory...

Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to kept BIOS settings. It was traditionally known as CMOS RAM because it used a volatile, low-power

History of information technology and organisations, History of Information...

History of Information Technology and Organisations The increasing sophistication in information systems and the growth in their use have been influenced by three main factors

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