Random Access Memory (RAM)
RAM is also called as the main memory of a computer. This is really the main store and is the place where the program gets stored temporary. When the CPU runs a program, it fetches the program instructions from the RAM and carries them out. If the CPU needs to store the results of the calculations it can store them in RAM. When we switch off a computer, whatever is stored in the RAM gets erased.
Types of RAM (Random Access Memory):
1. EDO RAM (Extended data output RAM)
2. SRAM ( Static RAM)
3. DDR RAM ( Double Data Rate RAM)
Read Only Memory (ROM)
ROM stands for “Read Only memory”. The information is pre-recorded into to ROM chip at manufacturing time. Once data has been written into a ROM Chip, it cannot be erased but you can read it. When we switch OFF the computer, the contents of ROM are not erased, but remain store permanently. ROM is non-volatile memory.
Types of ROM(Read Only Memory)
1. PROM (Programmable ROM)
2. EPROM (Erasable Programmable ROM)
3. EEPROM (Electrically Erasable Programmable ROM )
RAM is also called as the main memory of a computer. This is really the main store and is the place where the program gets stored temporary. When the CPU runs a program, it fetches the program instructions from the RAM and carries them out. If the CPU needs to store the results of the calculations it can store them in RAM. When we switch off a computer, whatever is stored in the RAM gets erased.
Types of RAM (Random Access Memory):
1. EDO RAM (Extended data output RAM)
2. SRAM ( Static RAM)
3. DDR RAM ( Double Data Rate RAM)
Read Only Memory (ROM)
ROM stands for “Read Only memory”. The information is pre-recorded into to ROM chip at manufacturing time. Once data has been written into a ROM Chip, it cannot be erased but you can read it. When we switch OFF the computer, the contents of ROM are not erased, but remain store permanently. ROM is non-volatile memory.
Types of ROM(Read Only Memory)
1. PROM (Programmable ROM)
2. EPROM (Erasable Programmable ROM)
3. EEPROM (Electrically Erasable Programmable ROM )
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