MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Cache is the fastest and smallest component of memory in a computer system. The registers are fast storage elements present in a very small amount in the computer processor. The recently used info/data of a computer gets stored in the cache.

Detailed explanation-2: -Processor (CPU) The central processing unit (CPU) or processor controls the computer’s overall speed or clock speed as it is one of the most significant components in making a computer fast. A good processor is one that can execute more instructions per second, resulting in faster processing.

Detailed explanation-3: -Registers are faster than memory. RAM is much slower than registers.

Detailed explanation-4: -The main difference between register and main memory is that a register is a small and fast storage inside the CPU that holds data temporarily while the main memory is a storage component in the computer that stores data and programs currently used by the CPU. A register is a high-speed memory location in the CPU.