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Q. Explain about Associative Memory Organisations?
The associative memory is arranged in w words with b bits per word. In w x b array, every bit is known as a cell. Every cell is made up of a flip-flop which comprises some comparison logic gates for read-write operations and pattern match. So it is possible to write or read concurrently because of this logic structure. A set of bit cells of all the words at the same place in vertical column is termed as bit slice as displayed in Figure below.
Figure: Associative memory
In organisation of an associative memory subsequent registers are used:
• Comparand Register (C): This register is used to hold operands that are being searched for or being compared with.
• Masking Register (M): It might be possible all bit slices are not involved in parallel operations. Masking register is used to disable or enable bit slices.
• Temporary (T) and Indicator (I) Registers: Indicator register is used to hold the current match patterns and temporary registers are used to hold the prior match patterns.
Classification according to level of processing According to this classification, computer operations are classified as arithmetic operations and instruction implementation. Ne
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