COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

MEMORY SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What Is The Cache?
A
Extremely fast but small amount of memory
B
Slow memory but stores large amounts
C
A device that uses tape to store data
D
Where the computer start up instructions are stored
Explanation: 

Detailed explanation-1: -L1 cache, or primary cache, is extremely fast but relatively small, and is usually embedded in the processor chip as CPU cache .

Detailed explanation-2: -At the highest level, the most frequently used information-say, the instructions in a loop which execute repeatedly-is stored directly on a special section of the processor chip, called Level 1 (L1) cache. This is the fastest memory of all.

Detailed explanation-3: -The cache can only load and store memory in sizes a multiple of a cache line. Caches have their own hierarchy, commonly termed L1, L2 and L3. L1 cache is the fastest and smallest; L2 is bigger and slower, and L3 more so.

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