Memory Presentation - IIMT Group of Colleges

MEMORY Mr. Jitendra Kumar HOD BCA IIMT College of Management, Greater Noida

Introduction: 

Memory is computer.

the

most

essential

part

of

a



Without memory there would be no computer , as we know it today.



It is used for storing both instruction and data.



The CPU accesses each location in memory by using a unique number , called memory address.

Computer System Component:-

Types of Memory:(1) PRIMARY MEMORY OR MAIN MEMORY:

Random Access Memory (RAM).



Read Only Memory (ROM).

(2). SECONDARY MEMORY:

Optical Media Devices.



Magnetic Media Devices.

(3). Cache Memory:

Level 1 (L1) cache



Level 2 (L2) cache

Primary Memory Or Main Memory:ďƒ˜

Primary memory is computer memory that is accessed directly by the CPU.

ďƒ˜

This includes several types of memory, such as the processor cache and system ROM. However, in most cases, primary memory refers to the system RAM.

Secondary Memory:

Secondary memory refers to storage devices, such as hard drives and solid state drives.



It may also refer to removable storage media, such as USB flash drives, CDs, and DVDs.



Like primary memory, secondary memory is not accessed directly by the CPU.

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