ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
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Transcript of ICT for Beginners - session 3 (C&G 4249 iTQ) - Buying a PC
Computer Basics – week 3
Operating systemsMusic and video
(Video files to student folder / get mics)
Recap
The LEFT mouse button to select
Recap
Hardware or Software?
Recap Dummies videos:Section 7 – Wordpad
Recap: Inside a computer
Recap: Inside a computer
The Processor or CPU:The brain of the computer
Random Access Memory (RAM):Short term memory usedby the CPU (volatile!)
Hard Drive:Long term storage
Recap: Inside a computer
Graphics Card
Sound Card
USB Card
Any Questions?
Buying a PC
vs
Buying a PC
£300
Intel Dual Core CPU 4 GB memory 500 GB storage
£1000
Intel Core i7 CPU 12 GB memory 3 TB storage Radeon Graphics
Buying a PC
£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
Buying a PC 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)
Laptops and Netbooks 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
Some Final Advice 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?
Any Questions?
Memory RAM
(Random Access Memory)Fast but expensiveVolatile
Memory ROM
(Read Only Memory)Fast but can’t be changed
Memory (storage) Hard Drives
Used for long term storageCheap Stable
Memory (storage) Other types of storage memory you might
come across:
Any Questions?
Operating Systems A computer is just a box of electronics that
does nothing until it’s told to
Operating Systems This is what an Operating System does –
makes all the bits talk to each other
Pre-Windows
DOS (Disk Operating System) was the first OS
It was not easy to use
Video on next slide…
What Windows Does
What to look for in Windows
Video on next slide…
Files and Folders
Files and Folders
Files and Folders
Files and Folders
Video on next slide…
Any Questions? Just a quick look at using extra features on
the mouse, then we’ll have a break…
Break
Double-click
The LEFT mouse button
Click 1: SelectClick 2: Execute
Right-click
The RIGHT mouse button
Often brings up a menu:
Using Media Player Media = Music or Videos
Follow your tutor’s instructions to open the Music folder
Right-click on amusic file and selectPlay
Using Media Player
Try to play some of the other music files
Using Media Player Now try to play some videos…
Using Windows Sound Recorder
Start >>> All Programs >>> Accessories…
Record yourself saying two things you have learned today…
Using Windows Sound Recorder Save your recording to the Desktop
Play it back using Media Player
When You’re Done: Shut Down
Any Questions? Next Week:
◦ Special Keys◦ Networks◦ What is the Internet?◦ Printers and Gadgets◦ Quizzes
>>>Ends<<<