IGCSE ICT Chapter 2 Quiz

Which of the following is a direct input device?

• Keyboard

• Monitor

• Speaker

• Printer

Answer explanation

A keyboard is a direct input device because it allows users to input data directly into a computer. In contrast, a monitor, speaker, and printer are output devices that display or produce information.

What type of device is a mouse?

• Input device

• Output device

• Storage device

• Processing device

Answer explanation

A mouse is an input device because it allows users to interact with a computer by sending commands and controlling the cursor on the screen. It does not output information, store data, or process information.

Which of the following is a pointing device used for direct input?

• Plotter

• Scanner

• Mouse

• Microphone

Answer explanation

The mouse is a pointing device that allows users to interact directly with the computer interface by moving a cursor on the screen. Unlike a plotter, scanner, or microphone, it provides direct input through physical movement.

A graphics tablet is most often used by:

• Writers

• Accountants

• Graphic designers

• Musicians

Answer explanation

A graphics tablet is primarily used by graphic designers for digital illustration and design work, allowing for precise control and creativity. Other professions listed do not typically require this specialized tool.

A touchscreen is an example of which type of input device?

• Direct input device

• Indirect input device

• Processing device

• Output device

Answer explanation

A touchscreen allows users to interact directly with what is displayed, making it a direct input device. Unlike indirect input devices, which require intermediary steps, touchscreens register input through direct contact.

Which input device uses optical recognition to read barcodes?

• Keyboard

• Barcode reader

• Joystick

• Microphone

Answer explanation

The barcode reader is an input device specifically designed to use optical recognition to read barcodes, making it the correct choice. Other options like keyboard, joystick, and microphone do not have this capability.

Which device is commonly used to capture handwritten signatures digitally?

• Scanner

• Stylus and graphics tablet

• Joystick

• Barcode reader

Answer explanation

A stylus and graphics tablet are specifically designed to capture handwritten signatures digitally, allowing for precise input and natural writing experience, unlike scanners or other devices listed.

Which of the following is an example of a biometric input device?

• Fingerprint scanner

• Keyboard

• Plotter

• Mouse

Answer explanation

A fingerprint scanner is a biometric input device that uses unique patterns of a person's fingerprints for identification. In contrast, a keyboard, plotter, and mouse are not biometric devices.

A microphone is a direct input device that converts:

• Sound into electrical signals

• Light into electrical signals

• Text into images

• Data into sound

Answer explanation

A microphone is designed to convert sound waves into electrical signals, making 'Sound into electrical signals' the correct choice. The other options do not accurately describe the function of a microphone.

What is the main purpose of an OMR (Optical Mark Recognition) device?

• Scanning barcodes

• Reading marks from printed forms, such as surveys or exams

• Recognizing handwriting

• Scanning photographs

Answer explanation

The main purpose of an OMR device is to read marks from printed forms, such as surveys or exams. It accurately detects filled bubbles or checkboxes, making it ideal for processing large volumes of responses quickly.