1.0 Computer Technology 1.1 Explain the basic concepts of computer technology 1.1.1 Describe the evolution of computers. 1.1.2 Identify various technical computer specifications based on the respective application: a. Home computers b. Entertainment / gaming computer c. Multimedia editing computer d. Application server

1. PUO-AZRUL JUNAIDI ABD AZIZ
JTMK 2012

8. input process
output
storage

39. COMPUTERS’ APPLICATIONS
Specifications based on the application:
• Home computers
• Entertainment / gaming computers
• Multimedia editing computers
• Application server

40. Classes of computer

41. Computer case (chassis)
CHASSIS ABCs
• The computer case or chassis is the body of the computer.
• Cases allow for manufacturers to include all computer comments
together and have it able to be moved, if needed.

42. • Mini tower
– Advantages:
Excellent size which can be placed on top or below of a computer desk.
Disadvantages:
While this case does offer upgradability, it can be filled up much faster
than the Mid-Sized tower.
Recommendations:
Great PC for end-users and small businesses.
Types of cases

43. • Mid-size tower
– Advantages:
Excellent case which can fit below and on top of your computer desk.
Plenty of expandability for new devices for businesses, end-users, and
advanced users.
One of the most used computer cases found today.
Disadvantages:
None
Recommendations:
This case is an excellent choice for all users and businesses.
Types of cases

44. • Full size tower
– Advantages:
Excellent computer for upgradability.
Excellent case for a server machine.
Disadvantages:
Cost is going to be a lot more than a standard case.
Generally a large case which cannot be placed on top or beneath a desk.
Recommendations:
We recommend that this type of case be purchased by advanced users
or users who plan to have a stand alone machine as a server.
Types of cases

45. • Desktop
– Advantages:
Excellent desk computer.
Great use of desk space when monitor is placed on top of the computer.
Disadvantages:
With some types of desktop cases can be very difficult to upgrade.
Does not really work on the floor.
Recommendations:
Excellent choice for a business and home user computer. End users
planning to upgrade or place computer on floor we recommend going
with tower computer unless the manufacturer provides a desktop that
can be converted to tower.
Types of cases

46. • Slimline Desktop
– Advantages:
Excellent for workstations in large companies.
Great computer for a low budget PC.
Excellent computer for locations which may not have large area of
workspace.
Disadvantages:
Generally little or no room for adding additional peripherals.
Usually require an LPX motherboard.
Recommendations:
We recommend that this type of case be purchased only for companies
employees as workstations.
Types of cases