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In immediate addressing mode, the operand is specified directly in the instruction itself rather than being stored in a register or memory location.
This means that the value to be operated on is included as part of the instruction.
In immediate addressing mode, Data is provided in the instruction.
Example: ADD AL,30

Flags are : Overflow, Direction, Interrupt-Enable, Single-Step, Sign, Zero, Auxiliary Carry, Parity, Carry

8 data lines of 8259 is always connected to lower half of 8086 data bus expecting interrupt signals.

DSR- Data Set Ready – is the input signal used to test modem conditions. It is general purpose in nature and can be used as inverted input if required.

Binary Code: Represents numbers using the standard base-2 system where each digit is either 0 or 1. The binary representation of numbers follows the pattern of powers of 2.
Gray Code: A binary numeral system where two successive values differ in only one bit. It is a non-weighted code used to minimize errors in digital systems.
The Most Significant Bit (MSB) is the bit that is the same for both a binary code and its Gray code.
The Least Significant Bit (LSB) and the other bits will differ between the binary and Gray codes because the Gray code is generated by XORing consecutive bits of the binary code.

Only 10 codes are valid in case of BCD. While addition , if the result becomes any of 6 invalid codes, we add 0110 ( decimal value – 6 ) to correct the result .

The System Approach focuses first upon the learner and then course content, learning experiences and effective media and instructional strategies.
Such a system incorporates within itself the capability of providing continuous self-correction and improvement.

Engaging students in scientific inquiry is an important component of science instruction that helps students develop scientific literacy and provides them with the opportunity to practice important science process skills in addition to critical thinking and problem solving skills.
Scientific inquiry is an on-going process of error correcting–constructing plausible hypotheses, generating as many plausible rivals as possible, designing new experiments, correcting errors in hypotheses in the face of anomalies.

A conformation in a molecule has one or more gauche connections then it can be called as gauche conformation and gauche conformations are stable than eclipsed conformations.
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The reduction of nitrobenzene in the presence of Zn/Ammonium chloride gives N-phenyl hydroxylamine.
Zinc dust and ammonium chloride convert nitrobenzene to the corresponding hydroxylamine.

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