How do computers work Parts of a computer

How do computers work? Parts of a computer Hardware and Software

Parts of a computer • The computer is made of two types of parts called: Programs or instructions that tell the machine how to work = SOFTWARE e. g. Operating system, Word… & Physical parts of the computer= HARDWARE e. g. monitor… All the parts work together to make the machine work

CPU – “brain” • CPU stands for CENTRAL PROCESSING UNIT • The CPU processes data and makes sure you can do several tasks at the same time E. g. listen to music whilst you are doing your homework on Word, and searching on the Internet.

Parts of a computer - HARDWARE Parts that ENTER data INPUT Parts that STORE data STORAGE Parts that PROCESS data Parts that PRESENT data OUPUT

Software questions Q 1. Find a definition for ‘software’ Q 2. What is ‘system software’? Q 3. What is application software?

Answer 1 Q 1. Find a definition for ‘software’ Software is the part of the computer that we cannot physically touch. Software computer programs that provide the instructions for telling a computer what to do and how to do it. Definition from Wikipedia

Answer 2 Q 2. What is ‘system software’? System software the files and programs that make up your computer’s operating system. The operating system co-ordinates and recognises the hardware. An example of an operating system is Windows 7

Answer 3 Q 3. What is application software? Application software is the everyday programs that you use such as Microsoft Office, graphics packages and web browsers

Parts of a computer - SOFTWARE Programs that make work the process text parts together Operating system (e. g. Windows) Programs that make calculations Programs that play music Prgrams that play games

End of unit project 1. 2. 3. 4. 5. 6. 7. 8. Title: What are computers? Definition Computers that are part of our lives How does a computer work Binary system and storage (memory) units Parts of a computer: HARDWARE and SOFTWARE What computers do for us Computers that do not look like computers