IGCSE ICT Chapter 2 Flashcard

Front

Direct input device: Keyboard

Back

Keyboard

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.

Front

Type of device: Mouse

Back

Input 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.

Front

Pointing device for direct input:

Back

Mouse

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.

Front

Use of graphics tablet:

Back

Graphic designers

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.

Front

Touchscreen type:

Back

Direct input 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.

Front

Input device that uses optical recognition for barcodes.

Back

Barcode reader

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.

Front

Device for capturing handwritten signatures digitally:

Back

Stylus and graphics tablet

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.

Front

Example of a biometric input device:

Back

Fingerprint scanner

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.

Front

Microphone: Converts sound to electrical signals.

Back

Sound to electrical signals

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.

Front

Main purpose of an OMR device?

Back

Reading marks from printed forms (surveys, exams)

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.