# Problem
Place the statements in the correct categories.
# Process
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# Answer
* Accumulator Instruction Set.
* Dedicated Accumulator Register.
* ALU results always go into the accumulator.
* Used in simple processors.
* Stack Based Instruction Set.
* ALU operands and results are stored on the stack.
* Common to older mainframe computers.
* Load/Store Instruction Set.
* ALU can source data from any general purpose register.
* Data must be loaded from memory into registers.
* ALU can store results in any general purpose register.
* Data must be stored from registers into memory.