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stira [4]
2 years ago
5

Basic computer programs used by a variety of companies include:

Computers and Technology
1 answer:
elena55 [62]2 years ago
7 0

Answer:

spreadsheets

Explanation:

every company uses spreadsheets because they are used to list and organize data easily

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In Java an abstract class cannot be sub-classed<br><br> ?? True<br><br> ?? False
mojhsa [17]

Answer:

False

Explanation:

An abstract class is a class declared abstract — it may or may not include abstract techniques. It is not possible to instantiate abstract classes, but they can be sub-classed.

<u></u>

<u>Abstract method declaration</u>

             

         abstract void moveTo(double X, double Y);

Usually the subclass offers solutions for all of the abstract techniques in its parent class when an abstract class is sub-classed. If not, however, the subclass must be declared abstract as well.

<u>Example</u>

public abstract class GraphicObject {

  // declaring fields

  // declaring non-abstract methods

  abstract void draw();

}

8 0
3 years ago
Which of the following is an example of a syntax error?
Yuri [45]

Answer:

misspelling a programming language word

Explanation:

Syntax error is the type of error in programming, when the programmer insert some symbol that is not present in directories or libraries, the programmer not followed the rules of that particular programming language that is understandable to compiler.

For example in C++, it is necessary to insert the semicolon (;) after each statement. If the programmer not insert the semicolon after each statement, the program will show the syntax error.

If the programmer use integer instead of int to assign datatype to the variable in C++, it will also leads to the syntax error. Because in C++ library, Integer is defined with the help of "int".

4 0
3 years ago
The Sleeping-Barber Problem:
s2008m [1.1K]

Answer:

Explanation:

Following are the Semaphores:

Customers: Counts waiting customers;

Barbers: Number of idle barbers (0 or 1)

mutex: Used for mutual exclusion.

Cutting: Ensures that the barber won’t cut another customer’s hair before the previous customer leaves

Shared data variable:

count_cust: Counts waiting customers. ------------copy of customers. As value of semaphores can’t access directly.

// shared data

semaphore customers = 0; semaphore barbers = 0; semaphore cutting = 0; semaphore mutex = 1;

int count_cust= 0;

void barber() {

while(true) { //shop is always open

wait(customers); //sleep when there are no waiting customers

wait(mutex); //mutex for accessing customers1

count_cust= count_cust-1; //customer left

signal(barbers);

signal(mutex);

cut_hair();

}

}

void customer() {

wait(mutex); //mutex for accessing count_cust

if (count_cust< n) {

count_cust= count_cust+1; //new customer

signal(customers); signal(mutex);

wait(barbers); //wait for available barbers get_haircut();

}

else { //do nothing (leave) when all chairs are used. signal(mutex);

}

}

cut_hair(){ waiting(cutting);

}

get_haircut(){

get hair cut for some time; signal(cutting);

}

6 0
3 years ago
Correct or False, when formatting conditional data, I start by selecting the range of data that I want to format
Arturiano [62]

Answer:

Correct

Explanation:

4 0
3 years ago
Write a function named ​isDivisible​ that takes two parameters
nirvana33 [79]

Answer:

def isdivisible():

   maxint=input("Enter the Max Int")

   int1=0

   int2=0

   int1=input("Enter the first Integer")

   int2=input("Enter the second Integer")

   tup1=(int1, int2)

   print(tup1)

   i = 1

   for i in range(1, int(maxint)-1):

       if int(tup1[0])%i==0 & int(tup1[1])%i==0:

           print(i)

       else:

           continue

       

   

isdivisible()    

1.2 Outputs

First test case:

Enter the Max Int6                                                                                                            

Enter the first Integer2                                                                                                      

Enter the second Integer8                                                                                                      

('2', '8')                                                                                                                    

1                                                                                                                              

2      

Second test case: returning empty list

Enter the Max Int2                                                                                                            

Enter the first Integer13                                                                                                      

Enter the second Integer27                                                                                                    

('13', '27')

Test case 3:

Enter the Max Int4                                                                                                            

Enter the first Integer8                                                                                                      

Enter the second Integer10                                                                                                    

('8', '10')                                                                                                                    

1                                                                                                                              

2        

Explanation:

The program is as above, and the three test cases are also mentioned. We have created a tuple out of two input integer, and performed the output as required.

3 0
3 years ago
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