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An 8086 interrupt can take placedue to the following reasons:
1. Hardware interrupts caused by some external hardware device.
2. Software interrupts that can be invoked with the help of INT instruction.
3. Conditional interrupts that are mainly caused because of some error condition produced in 8086 by the execution of an instruction.
When an interrupt can be serviced by a procedure it is known as the Interrupt Service Routine (ISR). Starting addresses of the interrupt service routines are present in first 1K addresses of the memory. This table is known as the interrupt vector table.
What are the gates required to build a half adder ? Ans. The gates needed to build a half adder are EX-OR gate and AND gate as shown below the logic diagram of half adder:
Linked list means node which is linked each other with a line. It means that every node is connected with another one. Every node of the list hold the reference of the next node.
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working. Ans. Encoder: It is a combinational logic circuit which converts alphanumeric ch
Constant Current Sources An ideal constant current source delivers a given current to a circuit regardless of the voltage required to do so. . Constant current supplies are r
What is synchronous DRAM? Synchronous DRAM's are those whose operation is directly synchronized with a clock signal.
Maria opened her authentic Mexican restaurant MiCazuela in Tucson inthe 1980s. It quickly became popular for the tasty food and use of fresh organicproduce and all-natural meats. L
Shell is the exclusive feature of? Ans. Shell is the exclusive feature of UNIX.
Q. What is External Procedures? These procedures are written as well as assembled in separate assembly modules and afterwards linked together with the main program to form a bi
Differentiate concurrent and parallel executions ? The words "parallel "and "concurrent" are often used interchangeably, however they are different. Parallel execution is connec
Determine the advantages of BCD Adder Now let us see the arithmetic addition of two decimal digits in the BCD, with a possible carry from previous stage. As each input digit do
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