Define com programs, Computer Engineering

Assignment Help:

Q. Define COM Programs?

A COM (Command) program is binary image of a machine language program. It is loaded in memory at the lowest available segment address. Program code starts at an offset 100h, the first 1K locations being occupied by IVT.

A COM program keeps itsdata, code and stack segments within same segment. Because the offsets in a physical segment can be of 16 bits hence size of COM program is limited to 216 = 64K that involvesdata, code and stack. The subsequent program displays a COM program:

; Title add two numbers as well as store result and carry in memory variables.

; name of segment in this program is chosen to be CSEG


Related Discussions:- Define com programs

How to reduce total amount of disk space in ftp, Q. How to reduce total amo...

Q. How to reduce total amount of disk space in FTP? FTP service compress files to reduce total amount of disk space the files require. Before transferring a file user should te

Difference between blocking and non-blocking, Difference between blocking a...

Difference between blocking and non-blocking Verilog  language  has  two  forms  of  the  procedural  assignment  statement:  blocking  and  nonblocking. The two are distinguis

. net is compile time or runtime environment, . NET is Compile Time OR RunT...

. NET is Compile Time OR RunTime Environment?   .Net's framework has CLS,CTS and CLR.CTS checks declaration of types at the time when u write code and CLS explains some rules a

Branding choices, Develop a web traffic plan - suppose that there is no/min...

Develop a web traffic plan - suppose that there is no/minimal advertising budget so you will require to look at branding choices & site design, word-of-mouth and publicity as your

Illustrate working of synchronous counters, Q. Illustrate working of Synchr...

Q. Illustrate working of Synchronous Counters? The main drawback of ripple counter is delay in changing the value. How? To understand this let's take a case when state of rippl

Properties of vector-based graphic files, Question: a) Write a short no...

Question: a) Write a short note on each of the terminologies below pertaining to multimedia: i) Developers. ii) Users. iii) Authoring Tools. iv) Product. b) Software d

What is computer communications networks, Q. What is Computer communication...

Q. What is Computer communications networks? Computer communications networks are the outcome of a combination of computers and telecommunication products. An interconnected gr

Draw a circuit of TTL gates with Wired-AND connection, Draw a circuit of TT...

Draw a circuit of TTL gates with Wired-AND connection and explain its operation. Wired - AND Connection In digital IC's NAND and NOR gates are most frequently used. For th

Design requirements of sequential circuit, What are the Requirements to des...

What are the Requirements to design Sequential circuit Ans . Design Requirements of Sequential circuit: (i) The circuit specifications translated into a state diagram

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