برمجه بليز احد يساعدني

[galaxy55]

السلام عليكم
مو عارفه كيف ابدا
بس حصل انو عقلي اتوقف مو عارفه افكر
وموقادره احل الكلام دا كااني اشوف رموز مو قادره افهم
________________
Answer the following exercises
1. Evaluate the following expressions using the relational operators
and the ASCII Collating Sequence (express your answer with true
or false).


Expression Expression Value

’ ’ <’a’


’R’ > ’t’


’+’ > ’*’


’6’ >= ’>’


!(’A’ > ’B’)


!(6 <= 7)


(14 >= 5 ) && (’A’ < ’B’)


(24 >=35) && ( 7 < 9 )


(’A’ <+ ’a’) || ( 7 != 7 )


_____________________________
2. Suppose we have the following declarations:
bool found = true ;
bool flag = false ;
int num = 1 ;
double x = 3.4 ;
double y = 3.4 ;
int a = 5 , b = 8 ;
int n = 20 ;
char ch = ’B’;
Consider the flowing expressions state the answer for each one
(Express your answers with true or false).


Expression Answer
!found

x > 4.0

!( found && ( x >= 0 )

x + y <= 20.5

(’A’<= ch && ch <= ’Z’

( a + 2 <= b ) && !flag
___________________________________________
3. Evaluate the following expressions. Express your answer with tr
or false.


Expression E


(17<4*3+5)|| (8*2 == 4*4)&& !(3 + 3== 6)


(6*3 == 36/2)||(13<3*3+4)&& !(6-2 < 5)


2 % 4 * 5 && 5 % 4 * b


6 * 2 == 4*3


5 % 2 * 4 > 5 || 4 % 2 * 5 < 7



_____________________________________

4. Write relational expressions to express the following conditions
use declaration statements and choose variable names):
a. A person age is equal to 17.
b. A person temperature is greater than 37.5.
c. A person height is less than 6 feet.
d. A person age is 12 and the person is taller than 5 feet.
th st
day of the 1 month.
e. The current day is the 15
f. A person is older than 50 or has been employed at the
company for at least 5 years.
_________________________________________
5. Suppose you have this C++ code what is the out put of it.

int x , y ;
x = 8 ; y = 9 ;
if ( 6 <2*5 )
cout<<”Hello”;
cout<<”There”;
if ( x == y ) cout <<”Good marring” ;
cout<<”Good night”<< endl;
if (x = 9 )
cout<<”It is a bright star”;

[Mr.Ahmad]

 
Answer the following exercises 
1. Evaluate the following expressions using the relational operators 
and the ASCII Collating Sequence (express your answer with true 
or false). 
 
 
Expression Expression Value 
 
’ ’ <’a’ 
Answer : True
 
’R’ > ’t’ 
Answer : False
 
’+’ > ’*’ 
Answer : False 
 
’6’ >= ’>’ 
Answer : False
 
!(’A’ > ’B’) 
Answer : True
 
!(6 <= 7) 
Answer : False
 
(14 >= 5 ) && (’A’ < ’B’) 
Answer : True
 
(24 >=35) && ( 7 < 9 ) 
Answer : False
 
(’A’ <+ ’a’) || ( 7 != 7 ) 
Answer : True
 
_____________________________
2. Suppose we have the following declarations: 
bool found = true ; 
bool flag = false ; 
int num = 1 ; 
double x = 3.4 ; 
double y = 3.4 ; 
int a = 5 , b = 8 ; 
int n = 20 ; 
char ch = ’B’; 
Consider the flowing expressions state the answer for each one 
(Express your answers with true or false). 
 
 
Expression Answer 
 
!found 
Answer : False
 
x > 4.0 
Answer : False
 
!( found && ( x >= 0 ) 
Answer : False
 
x + y <= 20.5 
Answer : True
 
(’A’<= ch && ch <= ’Z’ 
Answer : True
 
( a + 2 <= b ) && !flag 
Answer : True
 
___________________________________________
3. Evaluate the following expressions. Express your answer with tr or false. 
 
 
Expression E
 
 
(17<4*3+5)|| (8*2 == 4*4)&& !(3 + 3== 6) 
Answer : False
 
(6*3 == 36/2)||(13<3*3+4)&& !(6-2 < 5) 
Answer : True
 
2 % 4 * 5 && 5 % 4 * b 
Answer : True
 
6 * 2 == 4*3 
Answer : True
 
5 % 2 * 4 > 5 || 4 % 2 * 5 < 7 
Answer : True
_____________________________________
 

حل البقية في الطريق إن شاء الله

[Mr.Ahmad]

4. Write relational expressions to express the following conditions

use declaration statements and choose variable names): 
 
a. A person age is equal to 17. 
Answer : age == 17
 
b. A person temperature is greater than 37.5. 
Answer : person_temperature > 37.5
 
c. A person height is less than 6 feet. 
Answer : person_height < 6
 
d. A person age is 12 and the person is taller than 5 feet. 
Answer : (person_age == 12) && (person_height > 5)
 
e. The current day is the 15
Answer : current_day == 15
 
f. A person is older than 50 or has been employed at the 
company for at least 5 years. 
Answer : (age > 50) || (employed >= 5)
_________________________________________
5. Suppose you have this C++ code what is the out put of it. 
int x , y ; 
x = 8 ; y = 9 ; 
if ( 6 <2*5 ) 
cout<<”Hello”; 
cout<<”There”; 
if ( x == y ) cout <<”Good marring” ; 
cout<<”Good night”<< endl; 
if (x = 9 ) 
cout<<”It is a bright star”; 
 
Answer :
HelloThereGood night
It is a bright star
 

بالتوفيق .

[galaxy55]

مرررره شكرا
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الله يوفقك