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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 potential drop between the terminals of a battery is equal to the battery's EMF when: a) No current is drawn from the battery b) A very large current is drawn from th
Q. Explain Cathode-ray tube? While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work
charactersticks of pn junction
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
Introduction The purpose of this experiment is to examine the operation of the floating-point unit. Procedure 1. Show how the number 355.6 is converted into a normalize
I am getting humming noice in speaker when I connect to laptop on ac when I put it on dc (battery) it''s dispear . Please help
current and voltage
determine the efficience of a 16 KVA transformer for the full-load,unit power factor
Q. With the help of circuit diagram explain a Miller Sweep generator Figure given below shows the circuit of a Miller integrator or a sweep circuit. Transistor Q1 acts as a swi
Immediate Addressing In this addressing mode that 8/16 bit data is specified in the instruction itself as its one of the operands. Normally the instructions using a
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