1. CS101 Introduction to Computing Lecture 4 Computer Systems

7. Why use man y not-so-powerful processors working in parallel Why not just design a sin g le , really powerful processor Post your answers on the CS101 message board ? ?

18. Click here to view the picture of a wearable computer

20. Now that we have learnt about the various types of computers and about their typical applications , let’s move on to a new topic Let’s now find out about the essential components that are present in every type of computers

22. We’ll have a lot to say about software during the duration of this course However, for the rest of today’s discussion, let’s concentrate on hardware

24. There is another quite essential component that is present in every computer … ????

25. The Bus !

26. Keyboard Mouse Printer Memory Hard Disk Memory Bus System Bus Monitor Compact Disk Processor Integer Unit Control Unit Cache Memory Floating Point Unit

28. What’s a Port ?

35. modem input device or output device?

36. mo  dem

37. modulator demodulator o m d e m modem

39. What have we learnt today? What are the various types of computers with respect to their size, capability, applications (FIVE TYPES) The five essential components of any computer are input devices, processor, memory, storage and output devices