IGCSE CH 1, 2, and 3 Revision and Support 2

Luke is a student that has been working with his book report assignment on his desktop computer. And he thought of backing up his work to a storage device. Select the best reasons of which storage device to use among the choices.

• A magnetic tape because it has huge storage capacity, cheap per byte, and has long storage life.

• A Blue-ray disc because it can hold 25-50GB data, and can store HD video and more data.

• A memory stick or usb drive because it is very compact & portable, fast access, very durable and is used to transport files or backup.

• A Hard disk drive, because it is the main internal storage, fast data transfer & access, and has large memory capacity.

Vinaphone has millions of customers that uses its telecommunication services and it is backing up important voice and data after work hours everyday. Which backing up storage is suitable for large companies.

• A magnetic tape because it has huge storage capacity, cheap per byte, and has long storage life.

• A Blue-ray disc because it can hold 25-50GB data, and can store HD video and more data.

• A memory stick or usb drive because it is very compact & portable, fast access, very durable and is used to transport files or backup.

• A Hard disk drive, because it is the main internal storage, fast data transfer & access, and has large memory capacity.

Ms. Ngoc wants to buy a desktop computer to be used at home, and she needs it for work and for her personal documents, videos, audios, games, application files. Which storage device is suitable for her?

• A magnetic tape because it has huge storage capacity, cheap per byte, and has long storage life.

• A Blue-ray disc because it can hold 25-50GB data, and can store HD video and more data.

• A memory stick or usb drive because it is very compact & portable, fast access, very durable and is used to transport files or backup.

• A HDD/SSD, because it is the main internal storage, fast data transfer & access, and has large memory capacity.

Tick all inputs device parts for tablet.

• Touchscreen

• Camera

• Microphone

• Speakers

• Volume controls

Tick all output device parts found on a tablet

• Touchscreen

• Camera

• Microphone

• Speakers

• Volume controls

A drone is a flying vehicle that is controlled remotely. Can you identify and it can be used for outdoor fun and spectacular video and photo recordings. Can you identify what input device can be used to control the drone?

• Joystick

• Buzzer

• Camera

• Mouse

A drone is a flying vehicle that is controlled remotely. Can you identify and it can be used for outdoor fun and spectacular video and photo recordings. Which input device to capture video and images?

• Joystick

• Buzzer

• Camera

• Mouse

An output device used for robotic limbs and for mechanical applications.

• Actuator

• 3-D Printer

• Dot matrix printer

• Projector

A dot matrix printer produces low quality black and white printouts that can be used for printing cash receipts with duplicates in the supermarkets.

• True

• False

CLI stands for

(a)