Identify key input devices and explain how they feed data into the computer.
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Hook on how we tell computers what to do.
Did you know that in Yekaterinburg, Russia, there is a giant Keyboard Monument made of stone? People actually jump from key to key to make wishes and reset their lives by jumping on CTRL, ALT, DEL!
Images of QWERTY keyboard and optical mouse.
The QWERTY keyboard and the optical mouse are the most common ways we feed instructions into a computer.
The QWERTY keyboard and the optical mouse are the most common ways we feed instructions into a computer.
Explain keyboard layout and mouse function.
The keyboard is an essential input device used to type words, numbers, and instructions. A standard keyboard has exactly 104 keys. The most common arrangement of alphabet keys is called the QWERTY layout, named after the sequence of the first six letters in the top row.
Quick recall of keyboard and mouse facts.
How many keys are on a standard computer keyboard?
Introduce the scanner as a digital photocopier.
Imagine you drew a beautiful picture in your paper diary. How do you get that exact physical drawing into your computer without recreating it? You use a Scanner!
Test understanding of scanner function.
To tell a computer what to do, we use devices. A works exactly like a photocopy machine, but it creates a digital on the computer monitor instead of printing on paper. When we need to type, we use a standard keyboard which contains exactly keys. Today, instead of rolling balls, most people point and click using an mouse, which tracks movement using a glowing red light.