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swat32
1 year ago
12

PLEASE HELP!

Computers and Technology
1 answer:
jonny [76]1 year ago
8 0

1) True. Customized screens provide an easy way to enter and view data in a table and query called reports.

2) True. New Database can be created using a blank database.

3) False. Queries are used to find specific data.

4) True. When a new database is created, we can find more than one database objects.

5) False.  The primary key is to be set unique. As it identifies an entire row in the column.

1) Status Bar = Displays button to change the page views.

2) Hyper Link = A Link to an Internet Resource.

3) Field = Information arranged vertically in a table.

4) Report = Data from a table or query in printed format.

5) Record = Information arranged horizontally in a table.

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What option defines green computing?
Alina [70]
Green computing is the environmentally responsible and eco-friendly use of computers and their resources. In broader terms, it is also defined as the study of designing, manufacturing/engineering, using and disposing of computing devices in a way that reduces their environmental impact.
8 0
3 years ago
Jordan likes to use his smartphone in his car. He uses it as a navigation device and connects it via Bluetooth to listen to musi
Levart [38]

Answer:

I think A Bluetooth receiver is causing the smartphone to over heat

8 0
2 years ago
ZigBee is an 802.15.4 specification intended to be simpler to implement, and to operate at lower data rates over unlicensed freq
never [62]

Answer:

True

Explanation:

Solution

ZigBee uses unlicensed frequency bands but operate at slower speed or data rates.

ZigBee: This communication is particular designed for control and sensor networks on IEEE 802.15.4 requirement for wireless personal area networks (WPANs), and it is a outcome from Zigbee alliance.

This communication level defines physical and  (MAC) which is refereed to as the Media Access Control layers to manage many devices at low-data rates.

6 0
3 years ago
3. (20 points) Write a C++ recursive function that finds the maximum value in an array (or vector) of integers without using any
Luden [163]

Answer:

Following are the code to this question:

In option (i):

#include <iostream>//defining header file

using namespace std;

int findMax(int B[], int x)//defining recursive method findMax

{

if (x == 1)//defining condition when value of n==1

return B[0];//return array first element

return max(B[x-1], findMax(B, x-1)); // calling recursive method inside max method and return value

}

int main() //defining main method  

{

int B[] = {12, 24, 55, 60, 50, 30, 29};//defining array B

int x= 7;//defining integer variable and assign a value

cout << "Maximum element value of the array is: "<<findMax(B, x)<<endl;//calling method findMax and print value

return 0;

}

Output:

Maximum element value of the array is: 60

In option (ii):

\Rightarrow \ T(n) = 1 + T(n-1)\\\Rightarrow  1 + 1 + T(n-2)\\ \Rightarrow  1 + 1 + 1 + ... n \ times \\\Rightarrow  O(n) \\

Explanation:

In the above-given program a recursive method "findMax" is defined, which accepts an array "B" and an integer variable "n" in its parameter, inside the method a conditional statement is used that, checks value of x equal to 1.

  • If the above condition is true it will return the first element of the array and find the max number.
  • Inside the main method, an array B is declared that assigns some values and an integer variable is declared, that also assigns some values, in the last step print method is used that pass value in method and prints its return value.
  • In the option (ii) we calculate the Big-O notation algorithm value.
5 0
3 years ago
A palindrome is a string that reads the same both forward and backward. For example, the string "madam" is a palindrome. Write a
MatroZZZ [7]

// this function will return 1 if the string sent in arguments is palindrome //else it will return 0

int palindrome(int start_of_string, int end_of_string, string &strr)

{

// base case to check if the string is not empty

if (start_of_string>= end_of_string)

   return 1;

if (strr[start_of_string] != strr[end_of_string])

    return 0;

// recursive call

return palindrome(++start_of_string, --end_of_string, strr);    

}

8 0
3 years ago
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