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Delhi Police Constable Exam Model Paper 5

Question : 99

Total: 100

Which of the following memories requires periodic refreshing to store data?

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Basis of Comparison	SRAM	DRAM
Speed	Faster	Slower
Size	Small	Larger
Cost	Expensive	Cheap
Used in	Cache Memory	Main memory
Density	Less Dense	Highly dense
Construction	Complex and uses transistors and latches	Simple and uses capacitors and transistor
Single block of memory requires	6 transistors	Only one transistor
Charge Leakage	Not present	Present and hence require periodic refreshing
Power Consumption	Low	High