Answer:
The answer is "Option d'.
Explanation:
The database provides a single graphical view of the data, but it provides the facility to use logical view concept, that uses by view command, that uses the dataset to provide a logical view, that shows data according to user condition, and certain options were incorrect which can be described as follows:
- In option a, In logical viewing data, it is not used.
- In option b, It doesn't represent entry screen it simply shows detail.
- In option c, this command doesn't allow you to create duplicate data.
Answer:
B. 1 6 3
Explanation:
Given function definition for calc:
void calc (int a, int& b)
{
int c;
c = a + 2;
a = a * 3;
b = c + a;
}
Function invocation:
x = 1;
y = 2;
z = 3;
calc(x, y);
cout << x << " " << y << " " << z << endl;
- Since x is passed by value, its value remains 1.
- y is passed by reference to the function calc(x,y);
Tracing the function execution:
c=3
a=3
b=c+a = 6;
But b actually corresponds to y. So y=6 after function call.
- Since z is not involved in function call, its value remain 3.
So output: 1 6 3
Motion is the movement of a body part or an object
It would take 2 consultants 30 hours to create a slide deck of 120 slides.
Explanation:
Rate of slide making by one consultant- 2 slides per hour
Target- 120 slides
2 consultants are employed in the job-
Since 2 consultants are employed in the job, total rate of making slides per hour would be 4 slides/hour (2*2 slides/hour)
Time required to complete 120 slides= total slides/rate of doing slides per hour
Substituting the values, we get
Time required= 120/4= 30 hours
Hence, it would take 30 hours for 2 consultants to create a slide deck of 120 slides.
