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 Memory : A storage place where we can store and execute data and program. Memory Hierarchy: Memory: 1. Primary Memory A. Random Access Memory(RAM) or Main Memory i) Static Random Access Memory(SRAM) ii) Dynamic Random Access Memory(DRAM) [SDRAM(Sychronous DRAM) DDR 3/4 : Double Data Rate SDRAM] B. Read Only Memory (ROM) i) Programmable Read Only Memory(PROM) ii) Erasable Programmable Read Only Memory(EPROM) iii) Electrically Erasable Programmable Read Only Memory(EEPROM) iv) Ultra Violet Read Only Memory(UVROM) 2. Secondary Memory Magnetic Tape Harddisk SSD(Solid State Device) Pendrive Floppy Disk Memory Card Zip Drive 3. Cache Memory(High Speed SRAM) : In between CPU and Main Memory L1 Cache L2 Cache Question: 1. What is Memory? 2. Differentiate between Primary and Secondary Memory. 3. Draw the Memory Hierarchy. 4. RAM, ROM, SRAM, DRAM, DDR, SDRAM, SSD, PROM, EPROM EEPROM, UVROM- ...

 Question:  1. What is Generation of computer? 2. Write the name of technology used in different Generation. 3. Differentiate between- 1st and 2nd 1st and 3rd 2nd and 3rd 3rd and 4th 4. Write the example of computer in each generation. Question: 1. What is Memory? 2. Differentiate between Primary and Secondary Memory. 3. Draw the Memory Hierarchy. 4. RAM, ROM, SRAM, DRAM, DDR, SDRAM, SSD, PROM, EPROM, EEPROM, UVROM- Write the full form. 5. Differentiate between RAM and ROM. 6. What is Cache Memory?                    7. Differentiate between SRAM and DRAM.