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Main memory is used to store data permanently.?
No. It is usually used to help run the programs your are running at that moment and store other associated data.
What the functions of the main memory?
to store data
Distinguish between primary and secondary memory?
Computer memory is categorized into primary and secondary memory. While primary memory is the main memory of the computer which is used to store data or information temporarily, whereas secondary memory refers to external storage devices that are used to store data or information permanently.
Is cache memory necessary?
The cache memory is used to store the frequently used data in the main memory in order to avoid the elapse of the seek time taken to read that data in the main memory.. So, to improve the performance of a PC, its necessary to have cache memory.
What is difference between RAM and harddisk?
RAM means Random Access Memory. It store data temporaly. It called primary storing device. The two main forms of modern RAM are static RAM (SRAM) and dynamic RAM. Harddisk is the primary storing device within the computer. It can store data permanently (until you delete the data). It can retain data even after the computer itself "dies". Therefore, one harddisk can be switched to a different computer of similar size. An external harddisk can store huge amounts of data within a desktop unit. It can store data permanently (until you delete the data).
Cache memory and register memory?
Register memory are smaller in size than cache memory and registers are faster than cache..Cache memory store the frequently used data from main memory..
What is the main purpose of memory buffer register?
The main purpose of the memory buffer register (MBR) is to temporarily hold data being transferred between the main memory and the CPU. It acts as a buffer to ensure smooth data flow, allowing the CPU to retrieve or store data without directly accessing memory every time. This helps improve processing efficiency and speed by minimizing the delay associated with memory access.
How main memory and secondary memory are interlink?
Main memory (RAM) and secondary memory (like hard drives or SSDs) are interlinked in that they work together to store and manage data for computing tasks. Main memory is used for temporarily holding data that is actively in use by the CPU, allowing for quick access and processing. In contrast, secondary memory provides long-term data storage, retaining information even when the computer is powered off. Data is transferred between these two types of memory, with the operating system managing this flow to optimize performance and ensure that necessary data is readily available in main memory when needed.
What is a cache?
Answer:- The Cache memory is placed between the CPU and the main memory. It is a fast speed memory and is expensive and faster than the main memory. Cache memory is used to store the frequently accessed data of main memory. The instructions that are frequently used by the CPU are stored in the cache memory. It is used to reduce the average access time for address, instructions or data, which are normally stored in the main memory. Cache memory increases the operating speed of the system. But is much costlier than main memory. From economic considerations, the capacity of the cache memory is much less as compared to main memory..
What does main memory store?
Main memory, also known as RAM (Random Access Memory), stores data and instructions that the CPU needs to access quickly while performing tasks. It holds active processes, application data, and the operating system's runtime environment, allowing for fast read and write operations. However, data in main memory is volatile, meaning it is lost when the power is turned off.
What are the functions of DRAM memory?
Main memory is the storage that is directly available to the CPU of a computer and is made3 up of RAM and ROM. RAM's (Random Access Memory) purpose is to hold the data and instructions temporarily which the CPU will process. ROM's (Read Only Memory) function is to hold data necessary for starting up the computer permanently , whose contents cannot be changed by the user.
What is the difference between main and auxiliary memory?
The major difference between main memory and auxiliary memory is that main memory is directly accessed by CPU but the auxiliary memory is not accessed by the CPU directly.For this the data is first transferred to main memory from auxiliary memory and then from main memory the data is transferred to the CPU for further processing. Answered By: Richa Singh
