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

Define google calendar, Define Google calendar Google Calendar is free,...

Define Google calendar Google Calendar is free, full featured, and easy to use. It lets the user create both personal and shared calendars, which makes it ideal for tracking bu

Binary equivalent of the decimal number 368 , What is the binary equivalent...

What is the binary equivalent of the decimal number 368 ? Ans. 101110000 is the Binary equivalent of the Decimal number 368. From Decimal number to Binary number conversioni

How does tcp/ip decide the size of an ip fragment, How does TCP/IP decide t...

How does TCP/IP decide the size of an IP fragment? Explain. TCP/IP protocol utilizes the name IP datagram to refer to an Internet packet. The amount of data carried into a data

Association and classes betwnn student and university, Association and clas...

Association and classes betwnn student and university Association and classes are alike in the sense that classes describe objects, and association describe links. Figure shows

What is master slave kernel, Q. What is Master slave kernel? Master sl...

Q. What is Master slave kernel? Master slave kernel: In this model just one of processors is assigned as Master.  The master is in charge for subsequent activities:  i)

What are the advantages of public key cryptography, What are the advantages...

What are the advantages of Public Key Cryptography? Advantages of Public Key Cryptography are illustrated in below: a) Increased convenience and security and b) Electro

State about the object oriented analysis design, State about the Object ori...

State about the Object oriented analysis design Object oriented analysis design (OOAD) is a bottom up approach which supports viewing system as a set of components (objects) w

Explain frequency-division multiplexing, Q. Explain Frequency-division mult...

Q. Explain Frequency-division multiplexing? Frequency-division multiplexing (FDM) is a technique for data transmission widely used in telephone, radio, and cable TV systems in

Explain token ring, Explain Token Ring. Token Ring: A token ring is ...

Explain Token Ring. Token Ring: A token ring is a collection of single point -to-point links, which arise from a circle. In a token ring a special bi t pattern, termed as th

Where time synchronization is necessary, Time synchronization is necessary ...

Time synchronization is necessary in? Time synchronization is essential in TDM.

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