ICT IGCSE Theory - Input Devices Quiz

What is the main use of a keyboard as an input device?

• Controlling the pointer on the screen

• Inputting data into applications

• Drawing free hand drawings

• Inputting numeric data

Answer explanation

The main use of a keyboard as an input device is inputting data into applications.

Which input device is commonly used to control TV channels and menu options?

• Touch Screen

• Mouse

• Remote Control

• Joystick

Answer explanation

The correct input device commonly used to control TV channels and menu options is the Remote Control.

What is a disadvantage of using a touchpad as a pointing device?

• More accurate positioning of the pointer

• Easily damaged

• Difficult to use compared to a normal mouse

• Not familiar to users

Answer explanation

Using a touchpad as a pointing device can be difficult compared to a normal mouse due to the lack of physical buttons and the learning curve associated with gestures.

In which application would you typically use a graphics tablet?

• Recording video footage

• Scanning documents

• Drawing freehand drawings

• Inputting sound into a computer

Answer explanation

A graphics tablet is typically used for drawing free hand drawings, making it the correct choice among the given options.

What is the main use of a video camera as an input device?

• Inputting sound into a computer

• Scanning documents

• Recording video footage

• Drawing free hand drawings

Answer explanation

The main use of a video camera as an input device is recording video footage, not inputting sound, scanning documents, or drawing free hand drawings.

Which sensor is used in greenhouses to measure temperature?

• Light Sensor

• Water-Level Sensor

• Temperature Sensor

• Proximity Sensor

Answer explanation

Temperature Sensor is used in greenhouses to measure temperature, making it the correct choice among the options provided.

What is needed to convert the real world measurements collected by a sensor into data that a computer can process?

• Storage

• CPU

• Output Devices

• ADC

Answer explanation

An ADC (Analog-to-Digital Converter) is needed to convert real-world measurements into digital data that a computer can process.

What type of signal is collected from a sensor?

• Analog Signal

• Binary Signal

• Digital Signal

• Numeric Signal

Answer explanation

The correct type of signal collected from a sensor is an Analogue Signal, which represents continuous data. It is different from Binary, Digital, or Numeric signals.

What is the main use of a light pen as an input device?

• Scanning documents

• Recording video footage

• Drawing onscreen in CAD applications

• Inputting sound into a computer

Answer explanation

The main use of a light pen as an input device is drawing onscreen in CAD applications, allowing for precise input and control in design software.

Which input device is commonly used in computer games and simulators?

• Web Cam

• Touch Screen

• Driving Wheel

• Remote Control

Answer explanation

The correct input device commonly used in computer games and simulators is the Driving Wheel, as it provides a realistic and immersive experience for driving simulations.