Category: Electronics

Computer Codes

Computer Codes: The second category of codes are those codes which cannot be represented by any analytical relation, hence these codes are also called as non-analytical code.Non-Analytical code. These are the following codes: Non-Weighted Codes: Excess-3 Codes, Gray Codes, BCD greater than 4-bits Self Complementing codes: 2421, 5211, Excess-3 (XS-3) Sequential Codes: 8421 and XS-3 […]

Number System

Number System: In every day life we encounter with objects that are to be counted and written to be understood by all. The represented number also may require addition, subtraction etc. So, number system is a way of representing the count of some objects or countable things using some well define symbols and on which […]

8051 Rotate Instructions

ROTATE INSTRUCTIONS These instruction rotate the accumulator left, or right with or without carry. The instructions are RR, RRC, RL, RLC. RL Instruction The RL instruction rotates accumulator left one bit left Figure shows how the bits rotate left internally and then bit-7 to bit-0 No flags are affected by this instruction Figure 7.1 : Rotate left […]

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