Explanation

Joysticks are often used to control video games, and usually have one or more push-buttons whose state can also be read by the computer.

Explanation

• Touchpad is also called Track-pad.
• A touch pad is a device for pointing (alternative to the mouse).

Explanation

Bluetooth is a high-speed, low-power microwave wireless link technology, designed to connect phones, laptops, PDAs and other portable equipment together with little or no work by the user.

Explanation

In computing, an expansion card is a printed circuit board that can be inserted into an electrical connector, or expansion slot on a computer's motherboard.

Explanation

• Sound card also known as an Audio Card is an internal expansion card facilitates the input and output of audio signals to and from computer.
• A sound card is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs.

Explanation

•  USB is a serial part which provides a fast serial transmission between devices and computers.
• USB stands for: Universal Serial Bus

Explanation

• Most of the C compiler use Integrated Development Environment (IDE) to Compile, Link, Execute simple program. 
• An integrated development environment (IDE) is a software application that provides comprehensive facilities to computer programmers 
  

Explanation

High-level programs are much easier to understand than assembly language ones.

Explanation

A machine language doesn't need a compiler to execute its commands.

Explanation

C program has at least one function; it is the main function (). Each function has a name.