The main reason DRAM is cheaper than SRAM is that DRAM:
Anonymous Quiz
18%
Is faster
59%
Uses fewer transistors per cell
14%
Does not require power
9%
Is non-volatile
Which memory type stores data using flip-flop logic circuits?
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13%
DRAM
61%
SRAM
17%
ROM
9%
Flash Memory
Which memory can be erased electrically and rewritten multiple times?
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5%
PROM
24%
EPROM
67%
EEPROM
5%
ROM
Flash memory differs from EEPROM because Flash memory:
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11%
Is volatile
21%
Allows byte-level erasure
63%
Erases memory in blocks
5%
Requires ultraviolet light
Which memory organization improves performance by servicing multiple requests simultaneously?
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16%
A) Cache memory
5%
B) Virtual memory
74%
C) Interleaved memory
5%
D) Secondary memory
A hard failure in memory is caused by:
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10%
Temporary power loss
10%
Electrical noise
80%
Permanent physical defects
0%
Software errors
External memory is mainly used for:
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5%
A) Temporary data storage
10%
B) Cache operations
81%
C) Long-term data storage
5%
D) Register storage
Which disk component is divided into sectors?
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21%
Surface
16%
Platter
58%
Track
5%
Arm
The term dynamic in DRAM refers to:
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5%
High operating speed
24%
Use in cache memory
62%
Leakage of stored charge over time
10%
Permanent data storage
A single SRAM cell is typically built using:
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23%
One capacitor and one transistor
5%
One capacitor only
68%
Six transistors
5%
Resistors and capacitors
Which statement about SRAM is TRUE?
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6%
It requires periodic refreshing
0%
It is slower than DRAM
81%
It is more expensive than DRAM
13%
It is mainly used as main memory
Both SRAM and DRAM are classified as volatile because:
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0%
They are expensive
5%
They are slow
80%
They lose data when power is removed
15%
They are used only in cache
PROM differs from ROM because PROM:
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10%
Can be rewritten many times
86%
Can be written only once by the user
0%
Is volatile
5%
Requires refresh
Which memory type can be erased using ultraviolet light?
Anonymous Quiz
8%
PROM
21%
EEPROM
46%
EPROM
25%
Flash Memory
EEPROM allows data to be written without erasing previous contents.
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75%
True
25%
False
❤1
Which part of a magnetic disk directly determines storage capacity?
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5%
Arm
25%
Head
70%
Number of platters and surfaces
0%
Spindle
Why must the read/write head be extremely close to the disk surface?
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5%
To reduce heat
33%
To increase rotation speed
57%
To support narrower tracks
5%
To touch the disk
One benefit of using glass platters is:
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5%
Lower cost
50%
Better stiffness
36%
Higher power consumption
9%
Larger gaps