Answer:
b. white-hat hacker
Explanation:
A White-hat Hacker, also known as an Ethical Hacker is an information security specialist, known for performing penetration testing and checks in search for information and communications system's vulnerabilities on demand for his/her clients.
These efforts are meant to find security risks before someone else does, who could cause any kind of damage to the systems or unauthorized access to sensitive information
Answer:
The British inventor Fox Talbot produced his first successful photographic images in 1834, without a camera, by placing objects onto paper brushed with light-sensitive silver chloride, which he then exposed to sunlight.
Explanation:
Answer:
See Explaination
Explanation:
class MagicSquare():
def __init__(self,side):
self.side=side
self.two_dimension=[]
for row in range(1,side+1):
row_line=[]
for col in range(1,side+1):
row_line.append(0)
self.two_dimension.append(row_line)
def display(self):
row=0
col=int((self.side-1)/2)
for i in range(1,self.side**2+1):
self.two_dimension[row][col]=i
row-=1
col+=1
if row==-1:
row=self.side-1
if col==self.side:
col=0
if self.two_dimension[row][col]==0:
continue
else:
row+=1
if row==self.side:
row==0
for line in self.two_dimension:
for num in line:
print("{0:>3}".format(num),end=" ")
print()
def main():
for i in range(1,14,2):
square=MagicSquare(i)
square.display()
print("----------------------------------------------------")
if __name__ == '__main__':
main()
Answer:
The answer is A.Absolute reference.
Explanation:
Absolute reference is a cell reference whose location remains constant when the formula is copied.
Answer:
A lot is wrong with the program given in the question. See the corrected version below:
<em>public class ANot {</em>
<em> public static void main(String[] args) {</em>
<em> int a, b, c;</em>
<em> //Three integers</em>
<em> a = 3; b = 4; c = a + b;</em>
<em> System.out.println("The value of c is " + c);</em>
<em> }</em>
<em>}</em>
Explanation:
Errors:
1. The main method had a semi colon after it. This is wrong
2. An open brace was supposed to follow the main method
3. The declaration of the variables was supposed to end with a semi colon
4. the correct comment style is // and not \\
5. Initialization of variables was supposed to end with semi colons
6. The output statement had C and not c which is the declared and initialized variable..Java is strictly typed
7. Open and closing braces for the class and method wrongly placed
