Explain the difference between a subroutine and macro, Computer Engineering

Assignment Help:

Explain the difference between a subroutine & macro.

It is inefficient to have to write code for standard routines.  For instance reading a character form the keyboard or saving a block of data to disk.  Standard routines are available known as library routines.  They might be called up macros and many of the most useful routines are available as operating system calls.  A call to a macro is a single command, which can be changed by many commands that set put into the programme where the macro name is encountered.  A set of common instructions that can be used in a program in known as a subroutine.   

 


Related Discussions:- Explain the difference between a subroutine and macro

Find out data changing from special code to temporal code, Data can be chan...

Data can be changed from special code to temporal code by using ? Ans. By using Shift Registers data can be changed from special code to temporal code. A Register wherein data ge

Elevation of the premature ventricular contraction, As spring approaches, y...

As spring approaches, your design firm has been tasked with designing a two-lane highway in rural Wyoming. The highway descends a hill, crosses a river, and must shift to a para

State the drawbacks of laptop as compared to PC, State the drawbacks of lap...

State the drawbacks of laptop compared to PC The main disadvantages of laptops compared to desk top PCs are: -  They tend to be more expensive to purchase -  It's easie

Define general purpose register architecture, Q. Define General Purpose Reg...

Q. Define General Purpose Register Architecture? General Purpose Register (GPR) Architecture: A register is a word of internal memory similar to the accumulator. GPR architec

What is the difference among conventional and HD T.V, a. Write down the sal...

a. Write down the salient difference among conventional T.V. and High Definition TV (HDTV) and also highlight the various benefits of digital representation for video. b. Video

Organisational inertia - obstacle to information system, Organisational Ine...

Organisational Inertia - Obstacle To Information System This is most easily understood as problems of change and culture. Like any change process technology led change will be

Compare single bus structure and multiple bus structure, Compare single bus...

Compare single bus structure and multiple bus structure? A system that having only one bus(i.e only one transfer at a time) is known as a single bus structure. A system is know

Illustrate minimization of gates, Q. Illustrate Minimization of Gates? ...

Q. Illustrate Minimization of Gates? The generalization of Boolean expression is much useful for combinational circuit design. The subsequent three techniques are used for this

Explain in detail about register transfer language, We have multiple instan...

We have multiple instances in RTL (Register Transfer Language), do you do anything special during synthesis stage? Whereas writing RTL(Register Transfer language),say in Verilo

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