The Physical Computers

All computers share 4 common traits, Input, _______, Processing, and Output.

In computer science, the concept of Layers of Abstraction means that:

• Computers are hard to understand, so we need to simplify them.

• There are many different levels of a computer, and different people understand and use certain parts.

• Doctors need to know how realistic hearts look and work.

• Using computers to make digital art is superior to traditional forms of art.

True or False: A PlayStation (or similar gaming console) is a type of computer.

• True

• False

True or False: A digital thermometer (or similar medical device) is a type of computer.

• True

• False

True or False: An analog wristwatch (or similar timekeeping device) is a type of computer.

• True

• False

How does a computer let you know what it is doing?

How does a computer know what you want it to do?

How does a computer keep data for use later?

What is it called when a computer performs calculations?

Name the Logic Gate:

Input 1 and Input 2 must be on or 1 for the output to be on or 1.