Chp.1: Information Technology Flashcards
What are the parts of the information system?
1- People
2- Procedures
3- Software / programs
4- Hardware
5- Data
6- Internet
What is the more important information system?
People
How do computer touch our every day life directly?
By cearting document MS
or connecting to the internet.
How do computer touch our every day life indirectly?
USING computer in:
1- medicine
2- entrainment
3- education
4- business
What are procedures?
are the rules or guidelines to follow when using Software - Hardware - Data
What are the forms of procedures?
1- Printed documented.
2- Electronic manuals
written by computer specialists
What are software / programs
are the instruction the tell the computer how to do its work.
What is the purpose of Software?
to convert data to infromation.
What are the 2 majors of software?
1- Application Software (e.g. MS) < people use
2- System Software (e.g. OS) < computer use
What is a computer?
is an electronic device that follows instructions to accept input, process it and produce information.
What are the 4 types of computers?
1- Supercomputer
2- Mainframe computers
3- Midrange computers
4- Minicomputer
What are the features / characteristics of supercomputer?
- special computers
- High capacity
- used by very large corporations.
- used to process massive of data.
What are the features / characteristics of Mainframe computer?
- occupy specially wired
- Air conditioned room
- used by insurance company / large organizations
- used to process information about million of policy holders
What are the features / characteristics of Midrange computer?
- Used by medium size companies / departments of large companies.
- used for retrieving data from database.
What are the features / characteristics of personal computers?
- Most widely used
- fastest growing