What is a memory.pdf
- 1. What is a memory Memory is the most essential component of a computing system, it is used by the CPU to hold data and instructions through processing. Memory is used to run any program There are two types of memory primary memory Primary memory is the main memory of the computer which is used to run programs and keep all the data and instructions for a short period of time. Primary memory is also volatile memory which means that if the computer gives power to it then it gives all the information. secondary memory Secondary memory is of permanent type and it is used to store information for some time. Generally, secondary memory is of some capacity. Definition of 'Ram' (Random access memory) ram is a primary memory, in ram, the data and instructions of the current tasks are stored by the cpu, this memory is part of the cpu. Types of Ram There are two types of Ram ● SRAM (static random access memory) ● DRAM (dynamic random access memory) Definition of 'Rom'(Read only memory)
- 2. It is a permanent memory in which the stored memory and program do not get erased even when there is no power supply or even when the computer is turned off, ROM is called non-volatile memory. Types of Rom There are three types of Rom ● PROM ● EPROM ● EEPROM