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Cache memory is the fastest type of memory in a computer system, designed to speed up data access by storing frequently accessed data and instructions. It sits between the CPU and the main memory (RAM), providing a high-speed data access layer that reduces the time it takes for the CPU to retrieve data. The cache operates on principles of temporal and spatial locality, meaning it predicts which data the CPU will need next based on recent accesses and organizes memory access accordingly. By keeping copies of frequently used data closer to the CPU, cache memory significantly enhances system performance, particularly for operations involving repetitive data access. The hierarchical structure of memory in a computer system—where cache is the fastest, followed by RAM, then secondary storage—ensures that cache effectively mitigates bottlenecks in data retrieval, leading to improved overall system efficiency. Option A (Main Memory) - While RAM is faster than secondary storage, it is slower than cache memory due to its greater distance from the CPU. Option C (Secondary Storage) - Secondary storage (like HDDs or SSDs) is significantly slower than both cache and main memory, making it unsuitable for immediate data access needs. Option D (Virtual Memory) - Virtual memory, while useful for expanding memory capabilities, relies on secondary storage and thus is slower than both cache and RAM. Option E (ROM) - Read-Only Memory (ROM) is non-volatile but slower than cache and primarily used for storing firmware, not for fast data access during program execution.
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substi...
The climb to the top is not for the ill-hearts , but if you manage to negotiate the 463 narrow steps from the inside, you will be grated by extraordin...
Select the phrase from the options below that should replace the underlined phrase in the sentence to make it grammatically and contextually correct. I...
The delay will not be affect the scheduled delivery of the aircraft carrier to the Indian Navy.
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substi...
There is no leaders in them , no one who could help them see things variably .
The doctor slapped his face a couple of times to try to bring him round.
In the following questions below, four statements are given which may or may not contain an error. Choose the one that is grammatically and meaningfull...
I. They had a party to celebrate Tom’s birthday.
II. He is a driver who drives slower.
III. There is some chairs and a table.
In the question given below, two phrases in a sentence are highlighted which may or may not be correctly used. From the given choices choose the corre...
