What is the length of the following array: byte[] data = { 12, 34, 9, 0, -62, 88 };a. 1b. 5c. 6d. 12

Answer:

int number = (int)(Math. random() * 10); By multiplying the value by 10, the range of possible values becomes 0.0 <= number < 10.0

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A cyber-crime is a crime that involves computers. For example, the computers could be breached, threaten someone, steal money, etc. Some examples of cyber-crime in real life include:

Best of Luck!

Explanation:

==================  

lin_spaced_vector.m  

==================  

function out=lin_spaced_vector(in1,in2)%defining function

out=linspace(in1,in2,200);%200 spaced numbers between in1 and in2

end​

===================  

Executable File

===================

clear all%clears history

clc%clears screen

lin_spaced_vector(1,10)%calling function​

clear all

clc

lin_spaced_vector(1,10)

Answer:

This program is written in Python

inputtime = input("HH:MM:SS AM/PM: ")

splittime = inputtime.split(":")

secondAM = splittime[2].split()

if secondAM[1] == "AM":

   print(splittime[0]+":"+splittime[1]+":"+secondAM[0])

elif secondAM[1] == "PM":

   HH = int(splittime[0])

   HH = HH + 12

   print(str(HH)+":"+splittime[1]+":"+secondAM[0])

Explanation:

This line prompts user for input

inputtime = input("HH:MM:SS AM/PM: ")

This line splits the input string to HH, MM and "SS AM/PM"

splittime = inputtime.split(":")

This line splits "SS AM/PM" to SS and AM/PM

secondAM = splittime[2].split()

This line checks if time is AM

if secondAM[1] == "AM":

This line prints the equivalent time

   print(splittime[0]+":"+splittime[1]+":"+secondAM[0])

Else;

elif secondAM[1] == "PM":

The equivalent 24 hour is calculated

   HH = int(splittime[0]) + 12

This line prints the equivalent time

   print(str(HH)+":"+splittime[1]+":"+secondAM[0])

regulates and integrates the operations of the computer. It selects and retrieves instructions from the main memory in proper sequence and interprets them

Answer:

255

Explanation:

1 byte has 8 bits, that is, 8 combinations of binary inputs, which can result in calculations up to the number 2 ^ 8-1 = 255 (-1 because 0 will always be the first number), a computer nowadays has 64 bits (8bytes ), thus being able to calculate numbers up to 2 ^ 64-1, an integer file has 4 bytes, being able to calculate up to 2 ^ 32-1, and so on.

Answer:

d. A syntax error, if aquarium.db does not already exist on our computer.

Explanation:

The SQLite database is a relational database used readily in python backend web frameworks to store and retrieve data. The python packages like the sqlite3 are extensions of python proving its flexibility and power as a multi-purpose programming language.

The sqlite3 package is first installed and imported in the python file and a sqlite connection is made to the database which is automatically saved in the aquarium.db file ( created if it doesn't already exist ).

Answer:

The control unit of the central processing unit regulates and integrates the operations of the computer. It selects and retrieves instructions from the main memory in proper sequence and interprets them so as to activate the other functional elements of the system at the appropriate moment…

The central processing unit's control unit regulates and integrates the computer's operations.

The central processing unit (CPU) of a computer is basically the component that retrieves as well as executes instructions. A CAD system's CPU is essentially its brain.

It is comprised up of an arithmetic along with logic unit (ALU), a control unit, and a number of registers. The CPU is frequently referred to simply as the processor.

The processor, also referred to as the CPU, provides the instructions and processing power required by the computer to perform its functions.

The control unit (CU) is a component of the central processing unit (CPU) of a computer that directs the processor's operation.

It instructs the computer's memory, arithmetic/logic unit, and input and output devices how to respond to the instructions of a program.

Thus, this is the main function of control unit.

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Answer: float n1=1009.87;  

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Answer:

I think

Explanation:

RAID 5 improves performance over RAID 1.

Explanation

RAID provides both fault tolerance and improved performance RAID (mirroring) provides only fault tolerance with no performance benefit. Both RAID 5 and RAID 1 can only sustain a loss of one disk in the set. Use multiple disk controllers to provide redundancy for the disk controller.

Answer:

state_sales_tax_rate = 0.04

county_sales_tax_rate = 0.02

sales = float(input("Enter the total sales for the month: "))

county_sales_tax = sales * county_sales_tax_rate

state_sales_tax = sales * state_sales_tax_rate

total_sales_tax = county_sales_tax + state_sales_tax

print("The amount of county sales tax is " + str(county_sales_tax))

print("The amount of state sales tax is " + str(state_sales_tax))

print("The total sales tax is " + str(total_sales_tax))

Explanation:

*The code is in Python.

Set the  state_sales_tax_rate and county_sales_tax_rate

Ask the user to enter the sales

Calculate the county_sales_tax, multiply sales by county_sales_tax_rate

Calculate the state_sales_tax, multiply sales by state_sales_tax_rate

Calculate the total_sales_tax, sum county_sales_tax and state_sales_tax

Print the results

Answer:

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

    Scanner input = new Scanner(System.in);

 System.out.print("Enter a number: ");

 int n1 = input.nextInt();

 System.out.print("Enter a number: ");

 int n2 = input.nextInt();

 System.out.print("Enter a number: ");

 int n3 = input.nextInt();

 System.out.println("The sum is: " + calculateSum(n1, n2, n3));

 System.out.println("The product is: " + calculateProduct(n1, n2, n3));

 System.out.println("The average is: " + calculateAverage(n1, n2, n3));

}

public static int calculateSum(int n1, int n2, int n3){

    return n1 + n2 + n3;

}

public static int calculateProduct(int n1, int n2, int n3){

    return n1 * n2 * n3;

}

public static double calculateAverage(int n1, int n2, int n3){

    return (n1 + n2 + n3) / 3.0;

}

}

Explanation:

In the main:

Ask the user to enter the numbers using Scanner

Call the functions with these three numbers and display results

In the calculateSum function, calculate and return the sum of the numbers

In the calculateProduct function, calculate and return the product of the numbers

In the calculateAverage function, calculate and return the average of the numbers

Answer:ajax

Explanation:

Answer:

Phishing.

Explanation:

Phishing is a form of internet fraud. It consists of defrauding people by luring them to a fake bank website, which is a copy of the real website, to have them log in there - unsuspectingly - with their login name and password or their credit card number. This gives the fraudster access to this data with all the associated consequences. The fraudster poses as a trusted body, such as a bank. Most forms of phishing are done via e-mail, as the mail contains a link to the false website.

Answer:

Scripting languages are easier to port to various platforms due to the compiling and interpreting tools it uses to read the source code.

Explanation:

Programming languages are used to create source codes for various applications from web programming to mobile application implementation.

A programming language can be a scripting language, only with the required tools like a compiler or an interpreter. For example, C source codes are compiled to executable scripting file with the GCC compiler and python codes are interpreted with the cpython interpreter.

Answer:

1)

int[][] a2dArray = {{1,2,3,4,5},{1,2,3,4,5},{1,2,3,4,5}};

2)

public class Main

{

public static void main(String[] args) {

    int[][] a2dArray2 = new int[3][5];

    for (int i=0; i<3; i++) {

        a2dArray2[i] = simpleArray(5);

    }

    for (int i=0; i<a2dArray2.length; i++) {

        for (int j=0; j<a2dArray2[i].length; j++){

            System.out.print(a2dArray2[i][j] + "");

        }

        System.out.println();

    }

}

public static int[] simpleArray(int n){

    int[] result = new int[n];

    for (int i=0; i<n; i++) {

        result[i] = i+1;

    }

    return result;

}

}

Explanation:

1) To create a 2D array you need to write the type, two brackets and the name on the left hand side. Put the values on the right hand side.

2) Declare the array. Since there will be 3 rows and 5 columns, put these values in the brackets on the right hand side.

Create a for loop that iterates 3 times. Call the method simpleArray inside the loop so that each row of the a2dArray2 array will be set. Be aware that simpleArray method takes an integer as parameter and creates a 1D array, the numbers in the array starts from 1 and goes to the parameter value. That is why calling the method simpleArray (with parameter 5) 3 times will create a 2D array that has 3 rows and 5 columns.

Then, use a nested for loop to display the 2D array.

Answer:

The answer is below

Explanation:

In order to carry out the basic method for implementing paging, the following processes are involved:

1. Both physical and logical memories are broken into predetermined sizes of blocks otherwise known as FRAMES and PAGES respectively

2. During processing, Pages are loaded into the accessible free memory frames from the backing store. The backing store is however compartmentalized into predetermined sizes of blocks whose size is equal to the size of the memory frames

Answer:

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

    Scanner in = new Scanner(System.in);

    System.out.print("Enter a sentence: ");

    String sentence = in.nextLine();

    String[] words = sentence.split("\\s");

    for(String s : words)

     System.out.println(s + " -> " + s.length());

}

}

Explanation:

Ask the user to enter a sentence

Get each word in the sentence using split method and put them in words array

Loop through the words. Print each word and number of characters they have  using the length method in required format

Answer: A. Registers

Explanation:

Option A is correct. The CPU stores its computations in the Registers

The CPU is known as the Central Processing Unit.

Hence we can conclude that the CPU store its computations in the Register.

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Answer:It can be solved in methodical manner

Explanation:

Because

The characteristic of a logic problem are, a problem that can be solved in a methodical manner. Option B is the correct option.

A logic problem is the type of logic puzzle or problem which is solved by the help of deduction technique.

Characteristic of a logic problem are listed below;

Thus, the characteristic of a logic problem are, a problem that can be solved in a methodical manner. Option B is the correct option.

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Answer:

Program in Python is as follows:

rise = 3.1

for i in range(1,16):

     print("Rise in Year "+str(i))

     cm = rise * 0.1 * i

     inch = rise/25.4 * i

     print(str(cm)+" centimetres")

     print(str(inch)+" inches")

     print

Explanation:

This line initializes the rise of the ocean level

rise = 3.1

The following iterates from 1 to 15 (which stands for year)

for i in range(1,16):

   print("Rise in Year "+str(i))

This calculates the rise in each year in centimetre

   cm = rise * 0.1 * i

This calculates the rise in each year in inches

   inch = rise/25.4 * i

The line prints calculated ocean rise in centimetres

   print(str(cm)+" centimetres")

The line prints calculated ocean rise in inches

   print(str(inch)+" inches")

     print

Answer:

Here is the C++ program:

#include <iostream>  // to use input output functions

#include <cmath>  // to use math functions like sqrt()

#include <iomanip>  //to use setprecision method

using namespace std;   //to access objects like cin cout

int main ()  {  //start of main function

  double speedA;  //double type variable to store average speed of car A

  double speedB;  //double type variable to store average speed of car B

  int hour;  //int type variable to hold hour part of elapsed time

  int minutes;  //int type variable to hold minutes part of elapsed time

  double shortDistance;  // double type variable to store the result of shortest distance between car A and B

  double distanceA;  //stores the distance of carA

  double distanceB;  //stores the distance of carB

  double mins,hours;   //used to convert the elapsed time

cout << "Enter average speed of car A: " << endl;  //prompt user to enter the average speed of car A

cin >> speedA;   //reads the input value of average speed of car A from user

cout << "Enter average speed of car B: " << endl ;  //prompt user to enter the average speed of car B

cin >> speedB;   //reads the input value of average speed of car A from user

cout << "Enter elapsed time (in hours and minutes, separated by a space): " << endl;  //prompts user to enter elapsed time

cin>> hour >> minutes;    //reads elapsed time in hours and minutes

  mins = hour * 60;  //computes the minutes using value of hour

  hours = (minutes+mins)/60;     //computes hours using minutes and mins

distanceA = speedA * (hours);  // computes distance of car A

distanceB = speedB * (hours);   //computes distance of car B

   shortDistance =sqrt((distanceA * distanceA) + (distanceB * distanceB));   //computes shortest distance using formula √[(distanceA)² + (distanceB)²)]

cout << "The (shortest) distance between the cars is: "<<fixed<<setprecision(2)<<shortDistance;

//display the resultant value of shortDistance up to 2 decimal places

Explanation:

I will explain the program with an examples:

Let us suppose that the average speeds of cars are:

speedA = 70

speedB = 55

Elapsed time in hours and minutes:

hour = 2

minutes = 30

After taking these input values the program control moves to the statement:

mins = hour * 60;  

This becomes

mins = 2 * 60

mins = 120

Next

hours = (minutes+mins)/60;

hours = (30 + 120) / 60

         = 150/60

hours = 2.5

Now the next two statements compute distance of the cars:

distanceA = speedA * (hours);  

this becomes

distanceA = 70 * (2.5)

distanceA = 175

distanceB = speedB * (hours);

distanceB = 55 * (2.5)

distanceB = 137.5

Next the shortest distance between car A and car B is computed:

shortDistance = sqrt((distanceA * distanceA) + (distanceB * distanceB));

shortDistance = sqrt((175 * 175) + (137.5 * 137.5))

                        = sqrt(30625 + 18906.25)

                        = sqrt(49531.25)

                        =  222.556173

shortDistance =  222.56

Hence the output is:

The (shortest) distance between the cars is: 222.56        

Answer:

WPA2 allows users to provide authentication via a pre-shared network key / password

Explanation:

The WPA mode that allows users to provide authentication via a pre-shared key or password is the personal mode. The correct option is a.

The most recent and secure Wi-Fi protocol at the moment is WPA3 Personal. A pre-shared key is used by Personal WPA to verify users' first login information.

Wi-Fi security access All users on 2 pre-shared key (WPA-PSK) networks use the same passphrase. A security standard for computing devices using wireless internet connections is called Wi-Fi Protected Access (WPA).

It was created by the Wi-Fi Alliance to provide stronger user authentication and data encryption than the original Wi-Fi security standard, Wired Equivalent Privacy (WEP).

Therefore, the correct option is a. Personal mode.

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The question is incomplete. Your most probably complete question is given below:

a. Personal mode

b. Enterprise mode

c. Extensible Authentication Protocol mode

d. Wired Equivalent Privacy mode

Answer:

rv = "hello"

num_chars = len(rv)

print(num_chars)

Explanation:

*The code is in Python.

Initialize the string rv, in this example I set it to "hello"

Use the len() method to get the number of characters in the rv and set it to the num_chars

Print the num_chars

Note that the result will be 5 in this case, because hello consists of five characters

Answer:

I'm sorry the answer is really difficult to understand, could you explain?

Explanation:

Answer:

D. I think

Explanation:

Horizontal scaling of a client/server architecture means adding more workstations. Thus the correct option is D.

A computing model which  places the majority of the services and features that the client requests on the server, which also hosts, delivers, and manages them are known as client-server architecture 

Most applications that call for a division of labor between the client and the server benefit from the client-server architecture. The accessibility performance of applications is improved.

Both horizontal and vertical scaling is possible for client/server architectures. If a network is scaled vertically, more powerful, faster servers are added to the network, whereas horizontal scaling involves adding additional workstations (clients).

Therefore, option D is appropriate.

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Answer:

D. Create a cell reference in a formula by typing in the cell name or clicking the cell.

Further Explanation:

To create a cell reference in a formula the following procedure is used:

First, click on the cell where you want to add formula.

After that, in the formula bar assign the equal (=) sign.

Now, you have two options to reference one or more cells. Select a cell or range of cells that you want to reference. You can color code the cell references and borders to make it easier to work with it. Here, you can expand the cell selection or corner of the border.

Again, now define the name by typing in the cell and press F3 key to select the paste name box.

Finally, create a reference in any formula by pressing Ctrl+Shift+Enter.

Answer:

The formula is =OFFSET( A1, 7,3,1,1 )

Explanation:

Microsoft excel is a statistical and analytical tool for data management and analysis. Its working environment is called a worksheet. The worksheets are made up of rows and columns also known as records and fields respectively.

Functions like OFFSET in excel is used to return a cell or group of cells. It gets the position to turn by start getting a starting port, then the number of records below it and the fields after, then the length and width of cells to return.

syntax:   =OFFSET( "starting cell", "number of rows below", "number of columns after", "height of cells to return", "width of cells to return" )