Answer:
D. int* ptr;
Explanation:
int *ptr; it is pointer used to hold address of another integer variable.In the options provided we have int ptr that is an integer variable of name ptr.
*int ptr; is wrong this will give error because first we have to write the data type.
int ptr*; is an integer varaible with name ptr*.
int* ptr; is a pointer which can hold the address of another integer varaible.
<u>Answer:</u>
<em>GUI provides simple and easy way to operate computers. </em>
<u>Explanation:</u>
Before <em>GUI there were only CUI (Character User Interface) where the user needs to remember lots of commands to interact with computer </em>and it is also time consuming.
<em>Eg. DOS (Disk Based Operating System). </em>
This problem was overcome by GUI where it contains buttons where the user can use the <em>mouse to click, double click or right click </em>according to the options provided by the environment. <em>GUI is the successor of CUI.</em>
Answer:
I don’t the answer
Explanation:
I don’t like the government
Answer:
There are three types of the computer on the basis of work. They are analog, digital, and hybrid computer. The computer that work with natural phenomena and physical values like earthquake measurement, speed of the wind, weight light etc is known as Analog computers.
Explanation: