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ibps-rrb-os1 2024 · Question 85 of 270

Which component temporarily stores data while the CPU performs ALU operations?

Data Interpretation

  1. AHDD
  2. BAccumulatorCorrect
  3. CRAM
  4. DControl Unit
  5. EROM

Answer: B. Accumulator

Explanation

The Accumulator is a specialized register in the CPU that temporarily stores intermediate results while the Arithmetic Logic Unit (ALU) performs calculations. It is designed to quickly access and store data during processing, reducing the need to repeatedly access slower memory components, making the overall operations faster. Important Key Points: 1. The Accumulator serves as a temporary storage location for ALU operations, holding intermediate results for faster processing. 2. It plays a crucial role in speeding up computations by minimizing data transfers between the CPU and main memory. Knowledge Booster: • RAM: It holds data for active applications, but it is slower than registers like the accumulator and is not directly used for storing ALU results. • Control Unit: It directs the operation of the CPU but does not store data during ALU operations. • ROM: Read-Only Memory stores firmware and cannot be used for temporary data storage in ALU operations.

Source: IBPS RRB PO Mains Previous Year Paper 2024 (BankersAdda) · memory-based

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