: one that accumulates: such as. a : a device (as in a hydraulic system) in which a fluid is collected and especially in which it is kept under pressure as a means of storing energy. b British : storage battery. c : a part (as in a computer) where numbers are totaled or stored.

Why is the accumulator named so?

Register A is quite often called as an Accumulator. An accumulator is a register for short-term, intermediate storage of arithmetic and logic data in a computer's CPU (Central Processing Unit). ... And the result of the arithmetic operation will be stored or accumulated in this register.

What does accumulator mean in computing?

In a computer's central processing unit (CPU), the accumulator is a register in which intermediate arithmetic logic unit results are stored.