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dimaraw [331]
3 years ago
6

Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation

.Note: The given integer is guaranteed to fit within the range of a 32-bit signed integer. You could assume no leading zero bit in the integer’s binary representation.
Computers and Technology
1 answer:
EleoNora [17]3 years ago
5 0

Answer:

var findComplement = function(num) {

   

   var start = false;

       for (var i = 31; i >= 0; --i) {

           if (num & (1 << i)) {//find the leftmost hightest bit 1 and start from there

               start = true;

           }

           if (start) {

               

               num ^= (1 << i);

             

           }

       }

       return num;

};

var findComplement = function(num) {

   var bits = num.toString(2);

   var complement = '';

   for(var i=0;i<bits.length;i++)

   {

       complement += (bits[i]==1?0:1);

   }

   return parseInt(complement,2);

};

Explanation:

The javascript code above would accept a number in the variable complemnt and using the parseint keyword, it converts it to a binary value of that number.

Each bit is converted from the least to the most significant bit, then it is returned to the find compliment function and converted back to an integer.

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Write Python algebraic expressions corresponding to the following statements: (a) The sum of the first five positive integers (b
lbvjy [14]

Answer:

#part a

#sum of first 5 positive number

Sum=5*(5+1)/2

print("sum of first 5 positive integer is: ",Sum)

#part b

# declare age of all

Sara_age=23

Mark_age=19

Fatima_age=31

ave_age=(Sara_age+Mark_age+Fatima_age)/3

print("average age of Sara,mark and Fatima is: ",ave_age)

#part c

#find number of times

no_of_times=int(403/73)

print(" number of times when 73 goes into 403 is: ",no_of_times)

#part d

#find remainder

rem=403%73

print("when 403 is divided by 73 then remainder  is: ",rem)

#part e

#calculate 2 to pawer 10

two_pow=2**10

print("2 to power  10 is: ",two_pow)

#part f

#declare height of both

sara_h=54

mark_h=57

diff_h=abs(sara_h-mark_h)

print("The absolute difference between height of Sara and Mark is: ",diff_h)

#part g

#find the minimum among three

print("lowest price among the three($34.99,$29.95,$31.50) is: $",min(34.99,29.95,31.50))

Explanation:

In part a, sum of first 5 positive number is calculated as 5*(5+1)/2.In part b, add the age of three and divide it  by 3. In part c, use "/" to find number of times 73 goes into 403.In part d, use "%" to find remainder when 403 is divide by 73.In part e, 2 to the 10th power is calculated as 2**10.In part f, use abs() to find the absolute  difference.In part g, min() function is used to find lowest among the 3 prices.

Output:

sum of first 5 positive integer is:  15.0                                                                                  

average age of Sara,mark and Fatima is:  24.333333333333332                                                                

number of times when 73 goes into 403 is:  5                                                                              

when 403 is divided by 73 then remainder  is:  38                                                                          

2 to power  10 is:  1024                                                                                                  

The absolute difference between height of Sara and Mark is:  3                                                            

lowest price among the three($34.99,$29.95,$31.50) is: $ 29.95

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Answer:

Nope

Explanation:

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C is the answer to this question.

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G The method of mapping where each memory locationis mapped to exactly one location in the cache is
Otrada [13]

Answer:

Direct Mapped Cache

Explanation:

Given that a Direct Mapped Cache is a form of mapping whereby each main memory address is mapped into precisely one cache block.

It is considered cheaper compared to the associative method of cache mapping, and it is faster when searching through it. This is because it utilizes a tag field only.

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