Input Devices

Front

What are input devices?

Back

Input devices are those devices used to input data and instructions into computers.

Front

Give examples of input devices.

Back

Keyboard, mouse, trackball, scanner, joystick, web camera, touch screen, digital pen.

Front

What is the primary use of a keyboard?

Back

To input text and numbers into a computer.

Front

List some advantages of using a keyboard.

Back

1. Enables fast entry of new text into a document. 2. Well-tried technology & well-known method of entry. 3. Most people find them easy to use. 4. Easy to do verification check as data appears on the screen simultaneously.

Front

What are some disadvantages of using a keyboard?

Back

1. Users with limited arm/wrist use can find keyboards hard to use. 2. Entering data is slow compared to direct data entry devices. 3. They use up desk space as they are quite large.

Front

What is a mouse?

Back

A small handheld device with buttons and a scroller used to input data into a computer.

Front

What are the uses of a mouse?

Back

1. Opening, closing, and minimizing software. 2. Grouping, moving, and deleting files. 3. Editing images. 4. Controlling the position of a pointer on the screen.

Front

List some advantages of using a mouse.

Back

1. Faster to select an option than a keyboard. 2. Enables rapid navigation through applications and the internet. 3. Mice are small and don’t take much area.

Front

What are some disadvantages of using a mouse?

Back

1. People with restricted hand/wrist movement can find it hard to operate. 2. Easily damaged and can get clogged with dirt. 3. Hard to use without a flat surface.

Front

What is a trackball?

Back

An input device consisting of a ball held by a socket, allowing the user to roll the ball to move a cursor.