علم البيانات | DS2 Quizes – Telegram
علم البيانات | DS2 Quizes
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"قناة علمية متخصصة في مجال علم البيانات، قناة خاصة بالاختبارات MCQ ."
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النقاشات: @Computer_DS1
قناة الاختبارات: @Computer_DS_2
بوت التواصل والمشاركات : @DS_Combot
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1️⃣ Which type of memory requires periodic refresh operations?
Anonymous Quiz
14%
SRAM
59%
DRAM
17%
ROM
10%
Cache
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?
Anonymous Quiz
13%
DRAM
61%
SRAM
17%
ROM
9%
Flash Memory
Which memory can be erased electrically and rewritten multiple times?
Anonymous Quiz
5%
PROM
24%
EPROM
67%
EEPROM
5%
ROM
Flash memory differs from EEPROM because Flash memory:
Anonymous Quiz
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?
Anonymous Quiz
16%
A) Cache memory
5%
B) Virtual memory
74%
C) Interleaved memory
5%
D) Secondary memory
Which disk component is divided into sectors?
Anonymous Quiz
21%
Surface
16%
Platter
58%
Track
5%
Arm
Which of the following memories is non-volatile?
Anonymous Quiz
8%
DRAM
17%
SRAM
13%
Cache
63%
ROM
Which memory type can be erased using ultraviolet light?
Anonymous Quiz
8%
PROM
21%
EEPROM
46%
EPROM
25%
Flash Memory
ROM contents can be modified after manufacturing
Anonymous Quiz
39%
True
61%
False
EEPROM allows data to be written without erasing previous contents.
Anonymous Quiz
75%
True
25%
False
Flash memory allows byte-level erasure.
Anonymous Quiz
27%
True
73%
False
1
Which part of a magnetic disk directly determines storage capacity?
Anonymous Quiz
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?
Anonymous Quiz
5%
To reduce heat
33%
To increase rotation speed
57%
To support narrower tracks
5%
To touch the disk