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Q. Define Stack segment ?
8086 Microprocessor supports Word stack. Stack segment parameters tell the assembler to alert linker that this segment statement states the program stack area.
A program should have a stack area in that computer is continuously carrying on numerous background operations which are completely transparent, even to an assembly language programmer, for illustration a real time clock. Every 55 milliseconds real time clock interrupts. Every 55 ms CPU is interrupted. CPU records state of its registers and then goes about updating the system clock. When it finishes servicing system clock it has to restore registers and go back to doing whatever it was doing when interruption took place. All such information gets recorded in stack. If your program has not any stack and if real time clock were to pulse whereas the CPU is running your program there will be no way for CPU to find the way back to your program when it was through updating the clock. 0400H byte is default size of allocation of stack. Please consider if you haven't specified stack segment it is automatically created.
What is Cursor? Cursor is a database object used by applications to manipulate data in a set on a row-by- row basis, instead of the typical SQL commands that operate on all the
Q. Explain Direct Addressing Mode with example? Direct Addressing Mode A direct operand signifies to contents of memory at an address referred by the name of the variable.
Determine the benefits of mainframe computers Government agencies, large businesses, and universities usually use this type of computer. So: This computer is common t
What is the Gray equivalent of (25) 10 Ans. Gray equivalent of (25) 10 : The Decimal number 25 has binary equivalent as (00100101) 2 The left most bits (MSB) into gray
When designing a logic circuit with multipleoutputs it is usual to treat it as several circuitseach with one output. So for our example wewould design three circuits; one with outp
Q. Executing a parallel algorithm? Multiple processors need synchronization with one another when executing a parallel algorithm. So task which is running on processor X may ha
The XOR gate. The exclusive OR or XOR gate is similar to a two input OR gate. The output of an XOR gate is logic 1 only when one input or the other input is high and is 0 when
Q. Develop a menu driven program to implement AND, OR, NOT gates using and without using Bit wise operator. The menu should be as follows: I. Using Bit Wise operator I
Problem: (a) Accessibility can be classified as below: (i) Barrier-free design (ii) Web accessibility. Describe the importance of barrier free design and web accessibi
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
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