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ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC

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This document provides an overview of computer hardware and software components. It discusses the processor, RAM, hard drive, graphics card, sound card, and USB card as core hardware. It then compares the specifications and capabilities of £300 and £1000 computers. Key software components covered include the operating system and examples like Windows. Other topics summarized include storage types like ROM, the role of the operating system, a brief history of DOS, and factors to consider when purchasing a computer like intended use and included accessories. The document concludes with an outline of next week's session topics.

1 of 40
Operating systems Music and video (Video files to student folder / get mics)
The LEFT mouse button to select
Hardware or Software? Recap Dummies videos: Section 7 – Wordpad
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
The Processor or CPU: The brain of the computer Random Access Memory (RAM): Short term memory used by the CPU (volatile!) Hard Drive: Long term storage
Graphics Card Sound Card USB Card
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
vs
£300  Intel Dual Core CPU  4 GB memory  500 GB storage £1000  Intel Core i7 CPU  12 GB memory  3 TB storage  Radeon Graphics
£300  Surfing the Web ◦ inc iPlayer etc  eMail  Word Processing  Watch/make DVDs  Basic photo and video editing  Simple games £1000 …all of that plus:  Watch/make Blueray  Superfast!  Professional photo and video editing  High end real-time gaming
 They all come with a version of Windows Operating System (more later…) – unless you go for an Apple Mac  £300 or £1000 - they won’t look at lot different on the shelf Computing power will double every 18 months, but prices will remain fairly constant Moore’s Law (1965)
 You trade power for portability – less bang for you buck!  Netbooks even more so – but they are only really intended for surfing and writing  Netbooks don’t even have CD or DVD players
 Decide what you’re going to use it for – do you need a laptop? – do you need extreme power?  Check what you’re getting – often great deals on desktop don’t include keyboard, mouse, speakers or even a monitor!  Why pay for Anti-Virus?
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
 RAM (Random Access Memory) Fast but expensive Volatile
 ROM (Read Only Memory) Fast but can’t be changed
 Hard Drives Used for long term storage Cheap Stable
 Other types of storage memory you might come across:
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
 A computer is just a box of electronics that does nothing until it’s told to
 This is what an Operating System does – makes all the bits talk to each other
DOS (Disk Operating System) was the first OS It was not easy to use Video on next slide…
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
Video on next slide…
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
Video on next slide…
 Just a quick look at using extra features on the mouse, then we’ll have a break…
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
The LEFT mouse button Click 1: Select Click 2: Execute
The RIGHT mouse button Often brings up a menu:
 Media = Music or Videos  Follow your tutor’s instructions to open the Music folder  Right-click on a music file and select Play
Try to play some of the other music files
 Now try to play some videos…
 Start >>> All Programs >>> Accessories… Record yourself saying two things you have learned today…
 Save your recording to the Desktop  Play it back using Media Player
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
 Next Week: ◦ Special Keys ◦ Networks ◦ What is the Internet? ◦ Printers and Gadgets ◦ Quizzes
ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC

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ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC

  • 1. Operating systems Music and video (Video files to student folder / get mics)
  • 3. Hardware or Software? Recap Dummies videos: Section 7 – Wordpad
  • 5. The Processor or CPU: The brain of the computer Random Access Memory (RAM): Short term memory used by the CPU (volatile!) Hard Drive: Long term storage
  • 8. vs
  • 9. £300  Intel Dual Core CPU  4 GB memory  500 GB storage £1000  Intel Core i7 CPU  12 GB memory  3 TB storage  Radeon Graphics
  • 10. £300  Surfing the Web ◦ inc iPlayer etc  eMail  Word Processing  Watch/make DVDs  Basic photo and video editing  Simple games £1000 …all of that plus:  Watch/make Blueray  Superfast!  Professional photo and video editing  High end real-time gaming
  • 11.  They all come with a version of Windows Operating System (more later…) – unless you go for an Apple Mac  £300 or £1000 - they won’t look at lot different on the shelf Computing power will double every 18 months, but prices will remain fairly constant Moore’s Law (1965)
  • 12.  You trade power for portability – less bang for you buck!  Netbooks even more so – but they are only really intended for surfing and writing  Netbooks don’t even have CD or DVD players
  • 13.  Decide what you’re going to use it for – do you need a laptop? – do you need extreme power?  Check what you’re getting – often great deals on desktop don’t include keyboard, mouse, speakers or even a monitor!  Why pay for Anti-Virus?
  • 15.  RAM (Random Access Memory) Fast but expensive Volatile
  • 16.  ROM (Read Only Memory) Fast but can’t be changed
  • 17.  Hard Drives Used for long term storage Cheap Stable
  • 18.  Other types of storage memory you might come across:
  • 20.  A computer is just a box of electronics that does nothing until it’s told to
  • 21.  This is what an Operating System does – makes all the bits talk to each other
  • 22. DOS (Disk Operating System) was the first OS It was not easy to use Video on next slide…
  • 24. Video on next slide…
  • 28. Video on next slide…
  • 29.  Just a quick look at using extra features on the mouse, then we’ll have a break…
  • 31. The LEFT mouse button Click 1: Select Click 2: Execute
  • 32. The RIGHT mouse button Often brings up a menu:
  • 33.  Media = Music or Videos  Follow your tutor’s instructions to open the Music folder  Right-click on a music file and select Play
  • 34. Try to play some of the other music files
  • 35.  Now try to play some videos…
  • 36.  Start >>> All Programs >>> Accessories… Record yourself saying two things you have learned today…
  • 37.  Save your recording to the Desktop  Play it back using Media Player
  • 39.  Next Week: ◦ Special Keys ◦ Networks ◦ What is the Internet? ◦ Printers and Gadgets ◦ Quizzes