Question

what is the difference between cache and register? ​

Answer 1

Answer:

In a computer, a register is the fastest memory. Register are temporary memory units that store the data and located in processor. Instead of in RAM , so data can be accessed and stored faster.

catche memory is extremely fast memory that is built into computer's central unit.

Answer 2

Answer:

Registers are:

# Few in number (usually less than 32).

# Limited in size(32,64,80,128 bits)

# The only things most processors can operate on directly ( although x86/x86-64 blurs this is a bit)

Cache are:

# Extant ( 32kb+)

# Larger in quanta (512 bytes or more)

# Not directly accessible for operations ( just a pool between the CPU and main store)