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MAVERICK [17]
2 years ago
9

Mellissa wants to pursue a career in database administration. Select the requirements needed to achieve this.

Computers and Technology
2 answers:
adelina 88 [10]2 years ago
8 0
I think its the answer is 4 
iren2701 [21]2 years ago
4 0

I think the answer is 1 im not sure

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Explain why Windows and Linux implements multiple locking mechanisms. Describe the circumstances under which they use spinlocks,
galben [10]

Answer:

The description for the given question is described in the explanation section below.

Explanation:

Depending on the needs of the device programmers these OS have various locking frameworks. Spinlocks become beneficial for preemptive multitasking processes during which a thread will operate in such an active loop instead of risking a rest queue latency. Mutexes become beneficial to utility lockers.

  • Solaris 2 employs flexible mutexes, indicating something like this on preemptive multitasking computers, the mutex is introduced with either a spinning switch.
  • Semaphores and state variations are much more effective methods for consistency where a commodity needs to be managed for such a prolonged period of time because spinning is unstable over a prolonged time.

8 0
2 years ago
Multiple boolean expressions can be combined by using a logical operator to create ________ expressions.
Licemer1 [7]
<span>Boolean expressions can be combined by using a logical operator to create compound expressions. A boolean expression is an expression that takes into account and evaluates specific data, which is in the form of true and/or false. A compound expression is merely a statement of expressions.</span>
8 0
2 years ago
Write a program FindDuplicate.java that reads n integer arguments from the command line into an integer array of length n, where
kozerog [31]

Answer:

  1. public class FindDuplicate{
  2.    public static void main(String[] args) {
  3.        Scanner input = new Scanner(System.in);
  4.        int n = 5;
  5.        int arr[] = new int[n];
  6.        for(int i=0; i < arr.length; i++){
  7.            int inputNum = input.nextInt();
  8.            if(inputNum >=1 && inputNum <=n) {
  9.                arr[i] = inputNum;
  10.            }
  11.        }
  12.        for(int j =0; j < arr.length; j++){
  13.            for(int k = 0; k < arr.length; k++){
  14.                if(j == k){
  15.                    continue;
  16.                }else{
  17.                    if(arr[j] == arr[k]){
  18.                        System.out.println("True");
  19.                        return;
  20.                    }
  21.                }
  22.            }
  23.        }
  24.        System.out.println("False");
  25.    }
  26. }

Explanation:

Firstly, create a Scanner object to get user input (Line 4).

Next, create an array with n-size (Line 7) and then create a for-loop to get user repeatedly enter an integer and assign the input value to the array (Line 9 - 14).

Next, create a double layer for-loop to check the each element in the array against the other elements to see if there is any duplication detected and display "True" (Line 21 - 22). If duplication is found the program will display True and terminate the whole program using return (Line 23). The condition set in Line 18 is to ensure the comparison is not between the same element.

If all the elements in the array are unique the if block (Line 21 - 23) won't run and it will proceed to Line 28 to display message "False".

7 0
2 years ago
What does a sticky CTA do?
Anarel [89]
It encourages users to revisit your website.
5 0
2 years ago
Read 2 more answers
The microprogram counter (MPC) contains the address of the next microcode statement for the Mic1 emulator to execute. The MPC va
Ray Of Light [21]

Answer:

MAR bit

Explanation:

The MPC computers area set of software and hardware standards that was developed by the consortium of computer firms which is led by Microsoft. It contains the address of a next microcode for the Mic1 emulator foe execution.

The part of the executing microcode instruction that determines the value which is placed in the MOC is the MAR bit. The MAR is the memory address register in the CPU which stores the memory address or such addresses to which some data will be sent and also stored.

6 0
1 year ago
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