Answer:
Explanation:
Both mathematics and computer science use variables and logic in order to analyze, explain, and model real-world problems. Also mathematics is a very important part of computer science as the logic and algorithms in computer science require mathematics in order to device systems to solve these problems. For example, data structures in computer science require lots of linear algebra in order to traverse large data collections efficiently, while Artificial Intelligence would need calculus and linear algebra in order for it to be efficient.
Answer:
B. 11110111
Explanation:
Binary representation of number 9 = 00001001
Binary representation of -9 would involve calculating the twos complement representation of 00001001
First we compute the ones complement of this number by reversing the bits.
00001001 => 11110110
Next we calculate the twos complement representation by adding 1 to the ones complement.
11110110+1 = 11110111
So the final representation is 11110111.
Answer:
One of the biggest changes for businesses is the communication technology enabled by the internet. The way people communicate with one another, share files, make purchases, and collaborate has completely shifted since the internet became widespread.
Explanation:
The types of attacks that are known to be thwarted by complex passwords that are combinations of upper and lower case letters, numbers, and special characters are said to be Brute Force Attacks.
What is Brute Force Attacks?
This is known to be an attack that is said to be a very crude type of attack and it is often seen as a brute-force attack.
Note that is one that does not depend on lists of passwords, but it is one that often tries all the very possible combinations of permitted character types.
Hence, this type of attack was known to be historically seen as ineffective, and it is said to be The types of attacks that are known to be thwarted by complex passwords that are combinations of upper and lower case letters, numbers, and special characters are said to be Brute Force Attacks.
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