MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -An accumulator is primarily used as a register in a CPU to store intermediate logical or arithmetic data in multistep calculations. For such calculations, it functions as a temporary storage location.

Detailed explanation-2: -Arithmetic logic unit It performs arithmetic and logical operations (decisions). The ALU is where calculations are done and where decisions are made.

Detailed explanation-3: -Accumulator is a pressure vessel for storing hydraulic pressure in it utilizing compressible and decompressible nature of nitrogen gas. So, it can be said that the accumulator has a similar function to the rechargeable electrical battery. In electricity, electrical energy is stored to the battery.

Detailed explanation-4: -It acts as a temporary storage location which holds an intermediate value in mathematical and logical calculations. Intermediate results of an operation are progressively written to the accumulator, overwriting the previous value.