Tuesday 24 January 2012

Unit 2 - Computer Systems

Hardware components

Processor,
RAM (Random Access Memory),
Motherboard,
CPU (Central Processing Unit),
PSU (Power Supply Unit),
USB (Universal Serial Bus),
Hard Disk Drive,
CD-ROM Drive,
Floppy Disk Drive,
Video Card,
Fan,
Graphic Card,
Ethernet Cable,
Expansion Cards,
Monitor,
Keyboard,
Mouse,
Sound Card,
Printer,
BIOS,

Unit 2 - Computer Systems

what are all of the specific components of computer sytems:
  • CPU -
  • Hard Drive configuration and controllers eg. SATA, IDE, EIDE, Master, Slave
  • Internal Memory: RAM, ROM, Cache
  • Graphics Card
  • Sound Card
  • Video Card
  • Power Supply
  • Ports: USB, Parallel, Serial
  • DVD-ROM /CD-ROM drive
  • Fan
  • Network Card
  • Motherboard
how do you set-up and maintain computer systems?
install the operating system
run system tests to make sure the system is running correctly
back up your files so that if you lose files you can put them back on
make sure everything is up to date
set up account and login settings -admin

Tuesday 17 January 2012

Unit 12 - Technical Support

Future Trends

-A rise in those working from home.
-Businesses spanning more than one site.
-Business operating 24/7 across the world.
-Cost savings for small companies by having support cover many sites.
-Increased productivity for IT staff/
-Cheap to implement - VNC, Windows remote desktop and Windows Live Messenger are free.

Drawbacks of remote support

-Needs faster internet.
-Communication with the technical user.
-If the network or server goes down, then nothing can happen.

IT support for the future

-Support systems that know you.
-Smarter peer-to-peer support.
-Virtual worlds with avatar support.