COMPUTERS AND TECHNOLOGY COLLEGE

Does the following code return a string or a number def of() return 3

Answers

Answer 1

Answer:

Answer:

The system cannot find the path specified.

Explanation:

please give brain thx! :D

good luck!

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Write a C++ program to find the number of pairs of integers in a given array of integers whose sum is equal to a specified number.

Answers

Answer:

int main()

{

int A1= {5,3,4,8,9,0,7};

int SArri1 = sizeof(A1);

printf("Original array: ");

for (int i=0; i < SArri1;i++)

printf("", A1[i] );

int i, sum = 20, n= 0;

printf("\nArray pairs whose sum equal to 20: ");

for (int i=0; i<SArri1; i++)

for (int j=i+1; j<SArri1; j++)

if (A1[i]+A1[j] == sum)

{

Printf(“\n”, array1[i])

Printf(“,”,array1[j]);

n++;

}

printf("\nNumber of pairs whose sum equal to 20: ",n)

return 0;

}

Explanation:

First of all, you should create the array of integers, and put random numbers. Then you have to save in a constant the size of the array (in this code is called SArr1) With a for you can print all the numbers that are on the array because then you will print all array pairs whose sum is equal to a specified numer. in this code we are going to use 20.

then with a condition (if) you are going to compare one of number of the array with all the others and check if its equal to 20. If yes, it going to print the numbers that answer to that condition and it's going to add +1 to the variable n (for this you will need to use two bucles for)

Then you can print the number of pairs whose sum is equal to 20 by printing n

Which statement prints "hi" on the screen?(a) puts("hi");

(b) put "hi";

(c) puts "hi";

(d) none of the above

Answers

Answer: (A) Puts("hi");

Explanation:

Puts() is the type function that uses the file handling in the programming language. It basically use to compose or write the function or line that displaying the output screen of the computer system.

The puts() function is the type of function which basically allow the user to read the characters or line include all the space until entering into the new character or line.

The declaration of the puts(0 function is as follows:

int puts (char *STRING);

Answer:

Explanation:

Develop a program that implements the POLYNOMIAL ADT using the LIST ADT. The POLYNOMIAL ADT is used to represent polynomials and the following operations defined on polynomials:1.Evaluate()(xp, z). Evaluates the polynomial )(xp at the point zx

Answers

Answer:

Polynomial Zero() ::= return the polynomial p(x)=0

Boolean isZero(poly) ::= return (poly == 0)

Coefficient Coeff(poly , expon) ::= If (expon tex2html_wrap_inline93 poly) return its corresponding coefficient else return 0

Exponent LeadExp(poly) ::= return the degree of poly

Polynomial Remove(poly , expon) ::= If (expon tex2html_wrap_inline93 poly) remove the corresponding term and return the new poly else return ERROR

Polynomial SingleMult(poly , coef , expon) ::= return poly tex2html_wrap_inline105 coef x tex2html_wrap_inline107

Polynomial Add(poly1 , poly2) ::= return poly1 + poly2

Polynomial Mult(poly1 , poly2) ::= return poly1 tex2html_wrap_inline105 poly2

end Polynomial

Two-factor authentication can best be breached by the adversary using:________. a. social engineering attack b. using sniffers like Wireshark and capturing packets c. using rootkits and privilege escalation to get to the kernel processes d. using a virus and destroying the computer that stores authentication information.

Answers

Answer:

a. social engineering attack

Explanation:

Two-factor authentication requires that the user/owner of the account enter a second verification code alongside their password in order to access the account. This code is usually sent to a personal phone number or email address. Therefore in order to breach such a security measure the best options is a social engineering attack. These are attacks that are accomplished through human interactions, using psychological manipulation in order to trick the victim into making a mistake or giving away that private information such as the verification code or access to the private email.

How can we make our programs behave differently each time they are run?

Answers

Answer:

By given the right speech as much as the answers must be

Explanation:

By given the right speech as much as the answers must be

On a piano, each key has a frequency, and each subsequent key (black or white) is a known amount higher. Ex: The A key above middle C key has a frequency of 440 Hz. Each subsequent key (black or white) has a frequency of 440 * rn, where n is the number of keys from that A key, and r is 2(1/12). Given an initial frequency, output that frequency and the next 3 higher key frequencies. If the input is 440, the output is: 440 493.883 523.251 554.365.Note: Include one statement to compute r = 2(1/12) using the pow function, then use r in the formula fn = f0 * rn. (You'll have three statements using that formula, different only in the value for n).