What is the primary function of an input device in computing?

• To display data output from the computer

• To enter data into a computer

• To store data externally

• To process data within the computer

Which of the following is NOT a function of a mouse?

• To select items on a screen

• To print documents

• To drag and drop items

• To scroll through a page

What type of device is a barcode reader at a supermarket checkout considered?

• Output device

• Storage device

• Direct data entry (DDE) device

• Data processing unit

Which device is used to control the pointer on a computer screen?

• Keyboard

• Printer

• Mouse

• USB drive

What is a primary feature of a gaming mouse that differentiates it from a standard mouse?

• It has a scroll wheel.

• It is designed to be ergonomic and can be customized.

• It has a right and left button.

• It is connected via USB.

Which type of mouse is described as having a large ball operated by fingers and is beneficial for users with limited finger movement?

• Standard mouse

• Gaming mouse

• Trackball mouse

• Optical mouse

What is the advantage of using a trackball mouse in terms of placement?

• It requires a flat surface.

• It can be used in tight spaces as it remains stationary.

• It is wireless.

• It has customizable buttons.

Why might a touchpad be considered useful when using a portable device?

• It requires external power.

• It can be used ambidextrously.

• It does not need to be moved like a mouse.

• It has customizable buttons.

What is the primary advantage of a standard QWERTY keyboard over the Dvorak simplified keyboard and Colemak keyboard?

• It allows for faster typing speeds.

• It is more ergonomic.

• It is easier for beginners to learn.

• It has a different layout.

Which type of keyboard is designed to assist individuals with vision impairments by having raised patterns on the keys?

• Concept keyboard

• QWERTY keyboard

• Braille keyboard

• Dvorak simplified keyboard