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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.
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
The goal of this project is to model a system and to design a controller for the system so that the closed-loop system performs satisfactorily.
National tariff policy: The Central Government notified the National Tariff Policy on January 6, 2006, for the power sector in line along with the Section 3 of the EA, 2003. Wi
Q. Explain polyphase induction motor? The polyphase induction motor operates with polyphase alternating current applied to the primary winding, usually located on the stator of
Q. Explain working of TTL NAND gate? The TTL logic family uses only transistors instead of a combination of transistors and diodes. TTL has the same high and low ranges as DTL.
hot and cold lime soda process
Q. Consider a full-wave single-phase bridge recti?er circuit with dc motor load, as shown in Figure (a). Let the transformer turns ratio be unity. Let the load be such that the
Describe 74LS139 memory decoder. The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connection
what ternary alloy, composition and binary substrate can be used for an LED at 1.55 µm optical fiber windo
Dry type 10KVA-3ph-440/230v Dyn11. If we decide to wound above such specification, what current to be taken i.e. phase current or line current 7.57A or 13.12A
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