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List Out the Features of Computer Memory?
Features of each type of memory
Type
Volatile?
Write able?
Erase Size
Max Erase Cycles
Cost (per Byte)
Speed
SRAM
Yes
Byte
Unlimited
Expensive
Fast
DRAM
Moderate
Masked ROM
No
n/a
Inexpensive
PROM
Once, with a device programmer
EPROM
Yes, with a device programmer
Entire Chip
Limited (consult datasheet)
EEPROM
Fast to read, slow to erase/write
Flash
Sector
NVRAM
Expensive (SRAM + battery)
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The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
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What is virtual memory? Method that automatically move program and datablocks into the physical main memory when they are needed for execution are known as virtual memory.
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