Touch screen and computer's memory-G10-11

........................is a display screen that reacts to the touch of a finger

as it is sensitive to pressure.

• Touch screen

• screen

• keyboard

• mouse

The touch screen technology is only used in mobile phones

• True

• False

In........................, the touch screen device is layered with a

metallic electric conductor in order to provide resistance to change

in electric current.

• Resistive technology

• Surface wave technology

• Capacitive technology

In .........................., the touch screen device uses ultrasonic waves to process information. The change in the waves is registered and information is sent to the controller. A surface wave touch screen can be easily affected by foreign elements like dust and water.

• surface wave technology

• resistive technology

• capacitive technology

In ..........................., the touch screen is coated with a material

in order to Store the electrical charges generated by a touch. The

charge is measured by panels located at each corner of the device

and processed.

• resistive technology

• capacitive technology

• surface wave technology

A....................is an expansion

card used in computers to physically connect the device to a network

connection.

• Network card

• Sound card

• Video card

The network card is also known as............................

• sound card

• video card

• ethernet card

The....................is used to store all the instructions given by

the user.

• computer's memory

• storage room

• network card

• touch screen

The computer's memory Stores files, folders, documents, images, music and also

different types of software.

• True

• False

The .................is non- volatile or non- erasable memory. It means that the data

stored on it is permanent.

• ROM

• RAM

• DVD

• CD