Output Devices - IGCSE ICT

What is the purpose of output devices in a computer system?

• To hold the data in the system

• To show the results of processing

• To get data into the computer

• To process data and make it useful information

Which type of monitor is commonly used today and is thin and flat?

• CRT Monitor

• Dot Matrix Printer

• TFT Monitor

• Laser Printer

What is the main advantage of a CRT Monitor over a TFT Monitor?

• Produce less glare

• Lightweight

• Produce a larger range of colors

• Use less power

What is the main disadvantage of a CRT Monitor?

• Lower picture quality compared to a TFT monitor

• Create a lot of heat

• Produce less glare

• Images can appear unclear when viewed from an angle

What is the main advantage of a TFT Monitor over a CRT Monitor?

• Produce less glare

• Lightweight

• Produce a larger range of colors

• Use less power

What is the main disadvantage of a TFT Monitor?

• Environmentally unfriendly

• Produce a lot of heat

• Images can appear unclear when viewed from an angle

• Cannot be used with Light Pens yet

What is the main advantage of a Laser Printer?

• Lightweight

• Use less power

• Produce less glare

• Produce high quality hard copy outputs

What is the main disadvantage of a Laser Printer?

• Images can appear unclear when viewed from an angle

• Produce a lot of heat

• More expensive to buy

• Environmentally unfriendly

What is the main advantage of a Dot Matrix Printer?

• Produce high quality hard copy outputs

• Produce less glare

• Use less power

• Can handle high volumes of printing

What is the main disadvantage of a Dot Matrix Printer?

• Lower picture quality compared to a CRT monitor

• Environmentally unfriendly

• Produce a lot of heat

• Images can appear unclear when viewed from an angle