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Assembly Language
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What is linker?

A linker is a program used to join together several object files into one large object file. For large programs it is more efficient to divide the large program modules into smaller modules. Each module is individually written, tested & debugged. Whe...
Posted By:Reiner Fischer      Posted On: Dec 10

Assembly Language
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What is interrupt service routine?

Interrupt means to break the sequence of operation. While the CPU is executing a program an interrupt breaks the normal sequence of execution of instructions & diverts its execution to some other program. This program to which the control is transfer...
Posted By:Aloisa Miller      Posted On: Dec 05

Assembly Language
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What are the various programmed data transfer methods?

i) Synchronous data transfer
ii) Asynchronous data transfer
iii) Interrupt driven data transfer
Posted By:Ava Hughes      Posted On: Jan 05

Assembly Language
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What is synchronous data transfer?

It is a data method which is used when the I/O device and the microprocessor match in speed. To transfer a data to or from the device, the user program issues a suitable instruction addressing the device. The data transfer is completed at the end of ...
Posted By:Aubrey Schmidt      Posted On: Sep 12

Assembly Language
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What is asynchronous data transfer?

It is a data transfer method which is used when the speed of an I/O device does not match with the speed of the microprocessor. Asynchronous data transfer is also called as Handshaking.
Posted By:Alfonsa Miller      Posted On: Nov 14

Assembly Language
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What are the basic modes of operation of 8255?

There are two basic modes of operation of 8255, They are:
1. I/O mode. 2. BSR mode.
In I/O mode, the 8255 ports work as programmable I/O ports, while In BSR mode only port C (PC0-PC7) can be used to set or reset its individual port bits. Under the ...
Posted By:Noah Evans      Posted On: Jan 08

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