PUO-AZRUL JUNAIDI ABD AZIZJTMK 2012

input process

storage

output

COMPUTERS’ APPLICATIONS

Specifications based on the application:• Home computers• Entertainment / gaming computers• Multimedia editing computers• Application server

Classes of computer

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.

Types of cases

• 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

• 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:NoneRecommendations:This case is an excellent choice for all users and businesses.

• 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

• 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

• 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