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Derived Channel
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Derived Channel
Derived Channel
مهم اوي اوي اوي اوي ==> Class A: IP address range: 1.0.0.0 to 127.0.0.0 Default subnet mask: 255.0.0.0 ==> Class B: IP address range: 128.0.0.0 to 191.255.0.0 Default subnet mask: 255.255.0.0 ==> Class C: IP address range: 192.0.0.0 to 223.255.255.0 Default…
918 viewsAbdelrahman Zaki, 
Derived Channel
Derived Channel
تقريبا كل للقوانين اللي عندنا ف المنهج ==> T = 1 / f ------------------------------------------------------------ Fs : Sampling Frequency (Number of samples per second) Fmax : Maximum Frequency q : Number of digital levels in a q-level quantizer (Quantization…
H(f)
779 viewsAbdelrahman Zaki, 
Derived Channel
Derived Channel
Photo
دي مسألة على القانون اللي اتبعت دلوقتي، هبعت واحدة كبيرة كانت لامة كام مطلوب
819 viewsAbdelrahman Zaki, 
Derived Channel
Derived Channel
تقريبا كل للقوانين اللي عندنا ف المنهج ==> T = 1 / f ------------------------------------------------------------ Fs : Sampling Frequency (Number of samples per second) Fmax : Maximum Frequency q : Number of digital levels in a q-level quantizer (Quantization…
1.07K viewsAbdelrahman Zaki, 
Derived Channel
Derived Channel
دي مسألة على القانون اللي اتبعت دلوقتي، هبعت واحدة كبيرة كانت لامة كام مطلوب
المسألة :)
904 viewsAbdelrahman Zaki, 
Derived Channel
بسم الله اسئله علي جزء الشفوي ال 4 محاضرات
685 viewsMohamed K.Haweil, 
Derived Channel
المحاضره السابعه
683 viewsMohamed K.Haweil, 
Derived Channel
Structured Query Language or SQL, is a ............... that allows a high-level expression of queries.
Anonymous Quiz
18%
theoretical language
82%
practical language
327 voters683 viewsMohamed K.Haweil, 
Derived Channel
...............is a useful theoretical language that serves to define more complex languages.
Anonymous Quiz
27%
Structured Query Language
73%
Relational algebra
311 voters645 viewsMohamed K.Haweil, 
Derived Channel
Queries in relational algebra are performed using operators
Anonymous Quiz
92%
T
8%
F
291 voters583 viewsMohamed K.Haweil, 
Derived Channel
Relational algebra is divided into similar groups
Anonymous Quiz
49%
T
51%
F
287 voters541 viewsMohamed K.Haweil, 
Derived Channel
The sequence of operations in a relation algebra is called relational algebra expression.
Anonymous Quiz
96%
T
4%
F
281 voters543 viewsMohamed K.Haweil, 
Derived Channel
SELECT (σ)
Anonymous Quiz
13%
Binary Relational Operations
87%
Unary Relational Operations
294 voters489 viewsMohamed K.Haweil, 
Derived Channel
JOIN
Anonymous Quiz
88%
Binary Relational Operations
12%
Unary Relational Operations
292 voters479 viewsMohamed K.Haweil, 
Derived Channel
Binary Relational Operations : RENAME (ρ)
Anonymous Quiz
23%
T
77%
F
285 voters472 viewsMohamed K.Haweil, 
Derived Channel
CARTESIAN PRODUCT ( x )
Anonymous Quiz
7%
Unary Relational Operations
31%
Binary Relational Operations
62%
Relational Algebra Operations
277 voters459 viewsMohamed K.Haweil, 
Derived Channel
The relation resulting from the SELECT operation has the ........ attributes as R.
Anonymous Quiz
88%
Same
12%
different
276 voters439 viewsMohamed K.Haweil, 
Derived Channel
The symbol σ (sigma) is used to denote the project operator
Anonymous Quiz
20%
T
80%
F
276 voters432 viewsMohamed K.Haweil, 
Derived Channel
The SELECT operator is unary; that is, it is applied to a single relation.
Anonymous Quiz
94%
T
6%
F
273 voters430 viewsMohamed K.Haweil, 
Derived Channel
The number of tuples in the resulting relation is always............. to the number of tuples in R
Anonymous Quiz
91%
less than or equal
9%
more than or equal
265 voters433 viewsMohamed K.Haweil, 
Derived Channel
a sequence of SELECTs can be applied in any order
Anonymous Quiz
27%
F
73%
T
266 voters428 viewsMohamed K.Haweil,