What is information system?
Five Parts of Information System (IS)
People
- end users who use computers to make themselves more productive.
Procedures
Procedures are specify rules or guidelines for computer operations.
Software
1. System software
- a collection of programs-not a single program which are operating systems, utilities, device drivers.
- enable the application software to interact with the hardware
2. Application software
- is end-user software
- can be divided into 2 categories, there are basic application and specialized application
Hardware
- Supercomputers (most powerful)
- Mainframe Computers (specially wired)
- Minicomputers (refrigerator sized machines)
- Microcomputers (desktop/notebook/media center/tablet PC/handheld/netbook)
Basic components of desktop computer:
- System unit
- Input and output devices
- Secondary storage
- Communication
Data
- Document files (word processors)
- Worksheet files (electronic spreadsheets)
- Database files (database management program)
- Presentation files (slideshow)
Connectivity
Connectivity is the capability of your microcomputer to share information with other computers.
Reflection- IT Chapter 1- Internet and You
From this chapter, i learn the parts of an IS which include system software and application software, types of computer hardware, data which is document, worksheet, database, and presentation files and so on.
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