ICT Gyan

Information and Communication Technology

Information and Communication Technology: Standard 9

ICT Tools

Q 1

What are the differences between a Laptop and a Desktop?


Desktops

Laptops


1

Desktops are generally heavier and occupy more space as compared to Laptops.

Laptops are generally smaller and lighter as compared to Desktops.




2

Desktops are cheaper than Laptops.

Laptops are more expensive as all the components are more compact.



3

Desktops can be easily upgraded and customized for our use.

Laptops are not easy to upgrade.



4

We cannot use the Desktop anywhere as it needs an electrical power supply.

Laptops can be used anywhere as they operate on batteries.



5

Desktop computers are generally used in offices and homes.

Laptops are used by people who travel a lot and need to stay connected while on the move.


Q 2

What are the types of Televisions available?

The original Black and White Television was replaced by the color Televisions around 1980.

These were made of Cathode Ray Tubes (CRT) and are now losing popularity as they are bulky.

Liquid Crystal Display Televisions (LCDs) consume less power and occupy less space.

The costlier and better TVs today are the Light Emitting Diode (LED) TVs and the Plasma TVs.

Q 3

What are the differences between a Laptop and a Tablet?



Tablets

Laptops


1

Tablets are smaller, weigh less and occupy less space.

Laptops are generally bigger and heavier as compared to Tablets.



2

Tablets are more expensive than Laptops.

Laptops are cheaper than Tablets.



3

The main difference is that Tablets use the touch screen as the input device eliminating the need for a keyboard and mouse.

The keyboard and track pad are standard features on laptops.



4

The OS in Tablets is installed at the time of manufacture and generally cannot be changed.

The OS can be changed or re-installed easily if required.



5

Tablets have a smaller memory and storage capacity as compared to Laptops.

Laptops have more memory and larger storage capacity than Tablets.


Q 4

What are the uses of the Internet?

The main uses of the Internet are as follows.

· Communication: E-mail, and Chat are one of the most important uses of the Internet. These methods are faster more reliable and free and therefore very popular.

· Business: The Internet has helped businesses by bringing suppliers and manufacturers closer. Using the Internet businesses can directly interact with the consumer thus eliminating the need for costly infrastructure.

· Social Networking and Personal: The internet has helped bring people across the globe closer. People who have lost contact with each other for several years have been able to re-establish their friendship using social networking sites. Using the Internet it is also possible to make new friends.

· Entertainment: Besides e-books, tv programs, and music we can also find movies and various other forms of entertainment using the Internet.

· Employment: In addition to creating several jobs in areas that were formerly not available, the Internet also helps employers and employees get in touch with each other in a cost effective manner.

· Other services: With the help of the Internet, services such as Banking, Ticketing, Hotel Booking have all become easier.