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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.
Q. Determine the time delay of the cable? An RG-213/U (radio guide 213/universal coaxial cable) is a small-sized, flexible, double-braided cable with silvered-copper conductors
Diode Schematic Symbol The diode in figure is a unidirectional device. Electron current just only flows in one direction, against the arrow, corresponding to forward bias. The
Explain CWD instructions in 8086 family with example and their effect on flag. Convert signed word to signed double word: CWD instruction enlarges the sign bit of a word int
Explain the function of the pins PSEN and EA of 8051. PSEN: PSEN stands for program store enable. In 8051 based system in which an external ROM holds the program code, this pin
Question: (a) Describe the term "Pure Hardware Delay" in microcontroller design. (b) Name the three types of subroutines which are placed at the interrupt location in ROM a
ADC Instruction This instruction is used to add the contents of any register of any register memory location and carry flag with the contents of accumulator and result i
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Merits: 1. It is very simple to shift the operating point anywhere in the active region by just changing the base resistor (R B ). 2. A very small number of compon
simple project
the p.u. reactance of a 25 MVA, 13.2 kV alternator 0.5 p.u. On a base of 50 MVA and 13.8 KV the p.u. value shall be
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