Lesson 2 Y7 Computers

Choose the correct answers

• A computer is a type of machine.

  
  

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  A computer is any device or machine that can be programmed to carry out sequences of arithmetic or logical operations automatically.

• A computer doesn't have a brain like us, and it can't think or have ideas, but it can follow stored instructions and do lots of useful things.

  
  

Which category of computers is this a description of?

Any computer system that is designed for a specific use

Is implemented as part of a larger device. 

More specialised, 

they can only do a limited number of things, but they do them very well.  e.g. a washing machine

• Supercomputer

• Embedded system

• General Purpose

• Main Frame

Which category of computers is this a description of?

A computer used primarily by large organisations for critical applications 

e.g. a banking system

• Supercomputer

• Embedded system

• General Purpose

• Main Frame

Which category of computers is this a description of?

A computer with great speed and memory. 

Can do jobs faster than any other computer of its generation. 

Thousands of times faster than personal computers 

e.g. Deep Blue, Summit, Sierra, Frontera

• Supercomputer

• Embedded system

• General Purpose

• Main Frame

Which category of computers is this a description of?

Can perform all the most common computing tasks. 

Have a variety of uses, 

The user chooses the task for the computer to complete. 

 e.g. a laptop

• Supercomputer

• Embedded system

• General Purpose

• Main Frame

Put these computer processes in the right order

• Input data

• Output data

• Process data

Which of these are a computer? Choose all that are correct

• Washing machine

• Smart TV

• iPad

• Android phone

• Car