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Explain the operation of IRET instruction. What memory locations contain the vector for an INT 34 instruction?
The Interrupt return (IRET) instruction is utilized only along with software or hardware interrupt service procedures. When an IRET instruction executes, this stores the contents of I and T from the stack. It is important since it preserves the state of the flag bits. If interrupts were enabled before an interrupt service process, they automatically re-enabled through the IRET instruction since this restores the flag register.
Interrupt no. 20-FF are stored at an address 80 - 3FFH.
The base of isosceles triangle and the altitude drawn from one of the congruent sides are equal to 18 cm and 15 cm, respectively. Find the lengths of the sides of the triangle.
A sequential circuit has two inputs w1 and w2, and an output, z. Its function is to compare the input sequences on the two inputs. If w1=w2 during any four consecutive clock cycl
Q. Assuming the diode to obey I = IS (e V/0.026 -1), calculate the ratio V/I for an ideal diode with I S = 10 -13 A for the applied voltages of -2,-0.5, 0.3, 0.5, 0.7, 1.0, and
hi PA DS:1234 = AB PA DS:1235 = CD if i typed mov DX,[1234H] WHAT SHOULD I GET IN DX ?
1. Pattern recognition A synchronous sequential machine is to generate 1 on output z after the next clock pulse whenever the bit sequence on input x has exactly two 0’s in the last
Q. Show how a 16-to-1 multiplexer can be used to implement the logic function described by the following truth table.
why bypass capacitor is used
Voltage Doubler: The network of Fig. is a half wave voltage doublers. During the positive voltage half cycle across the transformer, secondary diode D 1 conducts, charging ca
Q. Binary Coded Decimal Addition Now as in conventional decimal addition, Binary Coded Decimal addition is performed one decimal digit at a time. What happens when the sum g
Explain AAS instructions in 8086 family with example and their effect on flag. AAS: it is stands for ASCII adjust after subtraction; this is used to adjust the AX register l
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