One of the uses of the if and switch statements is to validate parameters.

Kyle asked his supervisor which type of computing model was used when the enterprise first started. She explained that the organization purchased all the hardware and software necessary to run the company. What type of model was she describing to Kyle?

a. Virtual services b. Off-premises c. On-premises d. Hosted services

Given the definition and code fragment:

``` int matrix[2][3]; int k = 0; for(int i =0; i < 3; i++) for (int j=0, j < 4; j++) matrix[i][j] = k++; ``` The value of matrix[0][0] is a) 0 b) 1 c) 2 d) 3 e) 4