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Q. Writing down your own Interrupt Service Routines?
Here are a few rules which should be kept in mind while writing down your own Interrupt Service Routines:
1. Use Int 21h, function 35h to get the needed IVT entry from IVT. Save this entry for later use.
2. Use Int 21h, function 25h to modify IVT.
3. If your program isn't going to stay resident then save the contents of the IVT and later restore them when your program exits.
4. If your program is going to stay resident then use one of the terminate and stay resident functions to reserve proper amount of memory for your handler.
Explain the Main characteristics of semiconductor memory Memory, with regard to computers, most commonly signifies to semiconductor devices whose contents can be accessed (whic
Which transmission mode is used for data communication along telephone lines? Serial transmission mode is utilized for data communication along telephone lines.
Translator for low level programming language were called as Assembler
Inherent addressing Here the address is already built in to the instruction i.e. inherent to the code ABA ; Add A to B and store the answer in A Simple programs using
minimum self program
Build U Like are a building company specialising in hard landscaping. They lay patios, build walls, lay drives etc. for their customers. A customer will remain in the system even t
What is the difference between proc. sent BY VAL and By Ref? BY VAL: Alters will not be reflected back to the variable. By REF: Alters will be reflected back to that variab
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Describe generic framework for electronic commerce Generic Framework for electronic commerce contains the Applications of EC (like as banking, shopping in online stores and m
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