Answer:
Level of operation
Explanation:
The operating system is the system that enables other software to run on a device. It therefore handles the data between the user and the different features of the hardware, such as hosting device drivers. It also determines the core language used on the device, such as Windows, apple or Linux. This provides conformity accross devices allowing software and hardware companies to produce compatible products.
Answer:
c) 4.4
Explanation:
You can evaluate step by step the code. You know tha your input is 4.0
Step 1 Variables definitions:
double tax;
double total;
Step 2 Ask the user for the input:
System.out.print("Enter the cost of the item");
Step 3 read de input:
total = scan.nextDouble();
Step 4 evaluate the condition ( is the input greater or equal than 3.0 ? [True])
if ( total >= 3.0)
Step 5 get done the operations inside the condition and print it:
tax = 0.10;
System.out.println(total + (total * tax));
