مرفق لكم سوال الصح والخطاء في نموذج الاختبار النصفي للاستاذه سعاد عثمان
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☝️☝️☝️☝️
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Typical block sizes range
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23%
from 4 Kbytes to 50 Kbytes
6%
from 512 bytes to 1024 bytes
7%
from 50 bytes to 4096 bytes
63%
from 512 bytes to 4096 bytes
New records are inserted at the end of the file.
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66%
Unordered Files
23%
ordered Files
11%
Hashed Files
various overflow locations are kept, usually by extending the array with a number of overflow positions:
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26%
Open addressing
57%
Chaining
16%
Multiple hashing
distributes data transparently over multiple disks to make them appear as a single large, fast disk.
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36%
Data distributed
43%
Data striping
21%
Data collection
Includes one index entry for each block in the data file
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67%
Primary index
17%
Cluster index
17%
Secondary index
👍1
If record size R=2 bytes
block size B=4096 bytes r=12288 records, The number of file blocks is
block size B=4096 bytes r=12288 records, The number of file blocks is
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53%
6
43%
6144
5%
1000
مرفق لكم اسئلة الاختيارات الموجوده في نموذج الامتحان النصفي للاستاذه سعاد عثمان
بالتوفيق لكم جميعا
بالتوفيق لكم جميعا
⭕️⭕️⭕️⭕️
جميع اوراق الامتحان تبعكم عندي الذي يريد يتاكد من حله وليش نقص في مادة الاستاذه سعاد يعمل لي رساله اصورها له ويوم الامتحان بجيب الاوراق معي واسلمها لكم
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جميع اوراق الامتحان تبعكم عندي الذي يريد يتاكد من حله وليش نقص في مادة الاستاذه سعاد يعمل لي رساله اصورها له ويوم الامتحان بجيب الاوراق معي واسلمها لكم
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A disk pack contains several magnetic disks connected to a rotating spindle
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90%
T
10%
F
Linear hashing does require an overflow area but does not use a directory
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74%
T
26%
F
Reading or writing a disk block is time consuming because of the seek time
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87%
T
13%
F
Collisions occur when a new record hashes to a bucket that is already fuill
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78%
T
22%
F