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tatuchka [14]
3 years ago
5

Who invented the Graphical User Interface (GUI)?

Computers and Technology
1 answer:
GaryK [48]3 years ago
3 0

Xerox PARC by Alan Kay, Douglas Engelbart, and a group of other researchers in 1981.

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Compare and contrast system software and generalised software
jekas [21]
System software is a type of computer program that is designed to run a computer’s hardware and application programs.
Generalized software refers to software designed to read, process and write data with the help of functions performing specific audit routines and with self-made macros.
3 0
3 years ago
Write a public interface named Test with the following behavior:
enyata [817]

Answer:

The code to this question can be given as:

Code:

public interface Test  //define interface  

{

   public abstract Duration getDuration(); //define method

getDuration.  

   public abstract Result check(int a);

//define method

check .

   public abstract double getScore();

//define method getScore.  

}

Explanation:

In the above code, we define an interface that is "Test" inside an interface, we define three methods that can be defined as:

  • First, we define a method that is "getDuration" that method returns  Duration as an object.
  • Second, we define a method that is "check" this method accepts an integer parameter that is a and return Result.
  • The third method is "getScore" this method will return a double value.
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3 years ago
The master system database stores a database template that is used as a blueprint when creating a new user database.
Novay_Z [31]
<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a</span>
6 0
3 years ago
I need help now I really do what is the answer thank you
Svetradugi [14.3K]
The answer is c
just replace the y with the y value and the x with the x value
4 0
3 years ago
Which of the following tasks is the project manager least likely to be involved in?
user100 [1]

Answer:

i think its d sorry if i am wrong

3 0
3 years ago
Read 2 more answers
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