Y8 - How Computers Work - Lesson 2 - Under the Hood

What is the name of this mechanism?

• The Antikythera mechanism

• The Cypriot mechanism

• The Roman mechanism

Who developed the stepped reckoner

• Turing

• Leibniz

• Babbage

What were Pascal and Leibniz the designers of?

• First Modern PC

• Voting machines

• Calculating machines

What is the name of this programmable machine?

• Difference engine

• Analytical engine

• Stepped Reckoner

A calculating machine is designed to automate a specific process

• True

• False

Modern computers receive inputs, process data and then produce _____?

• Outputs

• Results

• Answers

Data and instructions to be executed are stored where on a modern PC?

• CPU

• Hard drive

• Memory

Are modern computers general-purpose or purpose-built?

• Purpose-built

• General-purpose

What is hardware?

• The data and instructions stored within the PC

• The applications running on a PC

• The physical components of a PC

The word software simply means ______?

• Algorithms

• Data

• Programs