BTEC Information Technology: Unit 1 Learning Aim A

Digital Device:

A digital device uses which type of data?

• Digital

• Analogue

• Neither

Digital Devices:

Multi-functional devices such as touch screens allow...

• Input of data by pressing the screen

• Output of images onto the screen

• Both Input and Output on the device

Digital Devices:

Personal computers such as laptops and desktops have many advantages such as...

• They can be small in size and portable

• They can be easily dropped and broken

• They can be inexpensive to buy

• They need recharging often

Digital Devices:

A server is....

• A slow, weak computer with small storage capacity.

• A slow, powerful computer with high storage capacity.

• A fast, powerful computer with small storage capacity.

• A fast, powerful computer with high storage capacity.

Digital Devices:

A server is used to....

• Connect computers together into a network.

• Allow computers to power up.

• Requires a network manager.

• Allows central backups.

Digital Devices:

Digital cameras store images as a collection of ................... The more ..................... in the image, the better the quality of the photo.

• Files

• Mini-Parts

• Pixels

• Parts

Digital Devices:

Navigation Systems use a GPS reciever to locate the user's position on a digital map to provide directions to a destination. GPS stands for?

• Global Placement Satellite

• Global Positioning Satellite

• Global People Satellite

• Global Positioning Service

Digital Devices:

Data capture and collection systems collect and input data automatically rather than manual direct data entry. Examples include:

• Bar-code Scanners

• Paper Questionnaires

• Optical Mark Readers

• Interviews

• EPOS Systems

Digital Devices:

EPOS stands for?

• Electronic Point of Sale

• Electronic Point of Service

• Electronic Purchase of Stock

• Electronic Purchase of Sale

Input and Output Devices:

Tick all of the Input devices shown in the list.

• Keyboard

• Mouse

• Monitor

• Scanner

• Webcam