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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.
write a program to copt values of object without using copy constructor or = operator
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List the major components of the keyboard/Display interface. a. Keyboard section b. CPU interface section c. Display section d. Scan section
Write a program to mask bits D3D2D1D0 and to set bits D5D4 and to invert bits D7D6 of the AX register.
Q. Explain Programmer Visible Registers? These registers can be accessed employing machine language. In general we encounter four kinds of programmer visible registers.
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
What are the main characteristics of a pipeline? Ans: The main characteristics of a pipeline are: a) The speedup or efficiency gain by suing a pipeline depends on the numbe
This covers a number of game playing methods, notably checkers and backgammon because so much good research has been completed on these problems and because so many different metho
Device drivers are special programs installed by config.sys file to control installable devices. So personal computers can be expanded at some future time by installation of new d
Now add layout cells into which you will add text about travel locations. 1. In Objects panel, click the Draw Layout Cell icon and move the pointer to layout table you just dre
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