01-09-2016, 12:05 PM
1452076827-ISHIKAPRESENTATION.pptx (Size: 157.33 KB / Downloads: 5)
PRIMARY MEMORY
PRIMARY MEMORY IS A MAIN MEMORY OF THE COMPUTER.IT CONTAINS THE COMPUTER PROGRAMS AND INSTRUTIONS THAT CAN READ BY THE CPU.PRIMARY MEMORY IS OF TWO TYPES READ ONLY MEMORY (ROM)AND RAMDOM ACCESS MEMORY (RAM).
RANDOM ACCESS MEMORY (RAM)
RAM IS THE WORKING MEMORY OF A COMPUTER SYSTEM.IT IS ATTACHED TO SLOTS ON THE MOTHERBOARD,WHEN WE WORK ON A COMPUTER,THE SOFTWARE WE USE ARE LOADED TEMPORARILY ON TO RAM FROM A PERMANENT STORAGE DEVICE SUCH AS THE HARD DISK.
READ ONLY MEMORY(ROM)
THE ROM IS LOCATED ON THE MOTHERBOARD OF THE COMPUTER.IT CONTAINS SOME INSTRUCTION AND PROGRAMMES THAT ARE ESSENTIAL FOR A COMPUTER TO OPERATE.
SECONDARY MEMORY
WE USE SECONDARY MEMORY TO STORE DATA PERMANANTLY.SECONDARY MEMORY PROVIDES AMPLE SPACE TO SAVE DATA.IT ALSO CALLED AUXILIARY MEMORY OR EXERTAL MEMORY.