Questions

Two series alternate here, with every third number following a different pattern.
In the main series, 4 is added to each number to arrive the next.
In alternate series, 5 is subtracted from each number t arrive the next number.
Here in the main series 
3 + 4 = 7
7 + 4 = 11
11 + 4 = 15
15 + 4 = 19

In alternate series 
24 - 5 = 19
19 - 5 = 14...

To produce controlled energy i.e energy at a controlled or steady rate, the number of fissions per second must be controlled and maintained at that rate. Excess neutrons should be absorbed by control roads like cadmium.

1.Hardware abstraction layer

2.Kernel

3.Subsystems

4.System Services.

The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.

Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

Answer A is incorrect because there is a definite difference between the two terms. Answer B is incorrect because just the opposite is true. Answer D is incorrect because a program is a group of projects, which are temporary endeavors.