Computer Organization and Architecture – Care4you

Virtual Memory

Ravinder Nath Rajotiya — Thu, 12 Jan 2023 17:46:59 +0000

Virtual Memory Programs developed by the software engineers are stored in the auxiliary storage, however, when executed a copy or part of the program get transferred to main memory. The CPU always refers to the main memory to access instructions or the data. If the referenced item is not found then it is transferred from...

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Cache Memory

Ravinder Nath Rajotiya — Wed, 11 Jan 2023 17:01:35 +0000

Cache Memory Cache memory is the fastest component in the memory hierarchy and approaches the speed of the CPU. A cache is organized between the CPU and the main memory to speed up the operation of a computer system. Some of the examples of the type of data or programs stored in cache may include:...

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Associative Memory

Ravinder Nath Rajotiya — Fri, 06 Jan 2023 18:08:11 +0000

Associative Memory Unlike the main memory which is accessed using the contents address and in sequential method, the associative memory is accessed by contents and is also called as the content addressable memory. For writing a word in memory, unused space is found by memory and the word written their. Word is read from memory...

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Memory Organization

Ravinder Nath Rajotiya — Wed, 04 Jan 2023 18:21:17 +0000

Memory Organization Every computer system has following types of memory devices. The different types of memory can be explained as the memory hierarchy. Memory Hierarchy: The total capacity of the memory in a system can be visualized as a hierarchy of memory devices. It includes all memory devices employed in a computer from large size...

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Modes of IO Transfer

Ravinder Nath Rajotiya — Wed, 04 Jan 2023 18:14:47 +0000

Modes of Transfer: The data transfer between the CPU and the i/o device is through the memory. Data transfer between the CPU and I/O may be handled in a variety of modes. These are: Programmed I/O Interrupt I/O Direct Memory Access(DMA) Programmed I/O Mode : This mode uses the CPU as an intermediate path for...

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