Explanation

Square of a proper fraction is always smaller than itself.

Means the square of the improper fraction is greater than the given fraction.

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 English, there are 44 phonemes, or word sounds that make up the language

Explanation

A trackball is a computer cursor control device used in many notebook and laptop computers.

Trackball is just like a Mouse. 

Explanation

Smallpox is caused by the variola virus. The virus can spread: Directly from person to person

Explanation

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

Explanation

• DVD is an optical disk technology with a  4 to 5 gigabytes storage for videos, audio or other information.
• DVD stands for Digital Versatile Disk.
  
• DVD is an example of Optical Disk. 
• DVD is a storage device.

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.