What is the definition for accumulator?

What is the definition for accumulator?

Definition of accumulator : 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.

What is an accumulator in 8086 microprocessor?

AX – This is the accumulator. It is of 16 bits and is divided into two 8-bit registers AH and AL to also perform 8-bit instructions. It is generally used for arithmetical and logical instructions but in 8086 microprocessor it is not mandatory to have accumulator as the destination operand.

What is the function of the accumulator in Alu?

The fourth is the accumulator. It is a register that is similar to the general purpose register. It holds data or the results of an operation during the processing cycles. The accumulator can hold one of the two operands during any ALU operation.

What is stored in an accumulator?

An accumulator is an energy storage device: a device which accepts energy, stores energy, and releases energy as needed. Some accumulators accept energy at a low rate (low power) over a long time interval and deliver the energy at a high rate (high power) over a short time interval.

What are accumulator variables?

An accumulator is a variable that the program uses to calculate a sum or product of a series of. values. A computer program does this by having a loop that adds or multiplies each successive. value onto the accumulator.

What are the types of accumulator?

There are four principal types of accumulators: the weight-loaded piston type, diaphragm (or bladder) type, spring type, and the hydro-pneumatic piston type. The weight-loaded type was the first used, but is much larger and heavier for its capacity than the modern piston and bladder types.

What is accumulator 8051 microcontroller?

A or Accumulator (ACC) The Accumulator or Register A is the most important and most used 8051 Microcontroller SFRs. The Register A is located at the address E0H in the SFR memory space. The Accumulator is used to hold the data for almost all the ALU Operations.

Which instructions clear the contents of accumulator?

The XRA A and SUB A both are one-byte instruction, but as XRA A is logical, it performs faster than the other. So XRA A is best for clearing/resetting Accumulator content than other three instructions.

How is the accumulator used?

Accumulators are used extensively to hold pressure in a circuit, especially where actuators are used. The accumulator makes up for any leakage and maintains system pressure when all valving is closed.

How does an accumulator work in a hydraulic system?

How do hydraulic accumulators work? Under gas pressure, accumulators store a volume of fluid that can be re-fed into the hydraulic system when it is needed. With a rise in pressure within the hydraulic system, the hydraulic accumulator collects the pressure fluid. The result: The gas is compressed.

What is an example of an accumulator?

An accumulator is a type of register included in a CPU. For example, in the operation “3 + 4 + 5,” the accumulator would hold the value 3, then the value 7, then the value 12. The benefit of an accumulator is that it does not need to be explicitly referenced, which conserves data in the operation statement.

What is accumulator in C++?

What is an accumulator in a computer?

An accumulator is a register for short-term, intermediate storage of arithmetic and logic data in a computer’s CPU (Central Processing Unit).In an arithmetic operation involving two operands, one operand has tobe in this register. And the result of the arithmetic operation will be stored or accumulated in this register.

What is the function of the accumulator register in a CPU?

5 Answers. , Professor at University of Delhi. In CPU, an accumulator is a register used for storing intermediate results of larger computation. Without an accumulator register, it would be necessary to write the intermediate results of each calculation to main memory to read it again for next operation.

What is accumulator in 8085 microprocessor?

Accumulator or Register A in 8085 Microprocessor. Microcontroller Microprocessor 8085. Register A is an 8-bit register used in 8085 to perform arithmetic, logical, I/O & LOAD/STORE operations. 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

How many accumulators are there in a microprocessor?

Early 4-bit and 8-bit microprocessors such as the 4004, 8008 and numerous others, typically had single accumulators.