Answer:
(b) Windows is an open source operating system (<em>This is not correct</em>)
Explanation:
Option a is <em>correct</em> because Xerox PARC(Palo Alto Research Center), which is a subsidiary of the Xerox corporation, has been greatly responsible for invention and development in modern computing devices. Some of these developments are in Ethernet and graphical user interface (making use of menus, icons e.t.c).
Option b is <em>not correct</em> because Windows Operating system is not an open source operating system. Open source OS means users can interact with the driving code of the OS and make modifications. Windows does not support this feature. Operating systems that are open source include Linux and OpenSolaris.
Option c is <em>correct</em>. An operating system has two main components - the kernel and the user interface. The core component of an operating system is the Kernel as it interacts directly with the hardware and manages system resources. The user interface on the other hand allows users to interact with the kernel of the operating system using texts and/or graphics as commands.
Option d is <em>correct</em>. Linux operating system is an open source OS. Therefore, the source code is made available to the public for examination and modification.
Answer:
A goal of procedural programming
An advantage of object oriented programming
A disadvantage of object oriented programming
A drawback of procedural programming
Answer:
The answer to this question is option "d".
Explanation:
In this question, the answer is data mining. Because Data mining is a technique that finds a piece of new information in a lot of the data. In the data mining collecting information from data is hopefully both new and useful. Data mining help us to discover new patterns and relationship in data to help make better decisions. It is used everywhere like Television and radio, Banking, Retail, and business. That's why data mining is useful.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is initialization.
When you write a variable in a program, for example int firstNumber. The integer variable firstNumber is declaring in the program.
when you assign a data value to a variable in a program is referred to as initialization. for example:
firstNumber=10;
You can declare and initialize the variable in one statement such as:
int firstNumber=10;
10 CLEAR: PRINT "A lightning flash: between the forest trees I have seen water.": END
