MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Is cache memory volatile?
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Both DRAM and cache memory are volatile memories that lose their contents when the power is turned off.

Detailed explanation-2: -cache memory, also called cache, supplementary memory system that temporarily stores frequently used instructions and data for quicker processing by the central processing unit (CPU) of a computer. The cache augments, and is an extension of, a computer’s main memory.

Detailed explanation-3: -Cache memory is not associated with ROM, rather it is called as CPU or Random access memory which a computer microprocessor can access more quickly than a regular RAM.

Detailed explanation-4: -It is the memory hardware that fetches/stores data at a high-speed. It is also referred as temporary memory. The data within the volatile memory is stored till the system is capable of, but once the system is turned off the data within the volatile memory is deleted automatically.

Detailed explanation-5: -Cache: The memory that stores data so that future requests can be served faster is called the cache memory. The data stored in a cache might be the result of a computation or a copy of data. The dirty bit is set to 1 when the processor writes data to this memory.

There is 1 question to complete.