Lecture 2 Flashcards
Goal of Business Informatics
The long-term goal of business informatics is “meaningful full automation”.
- beneficial and sensible by most people
- the replacement of human labor by machine
What is an application system?
refers to the entirety of the IT infrastructure, consisting
of: Hardware, software, data, storage technology, communication and
network, which has been developed for a specific task area.
Data
sequences of characters that represent information for the purpose of
machine processing and transmission according to certain rules.
Characters are letters, digits, punctuation marks and special characters, but
also pixels and acoustic signals.
Bit and Byte
The computer is a machine that can only distinguish between two states. These
states are the smallest unit of information, called „Bit“. The two states of a Bit are
often represented as „0“ and „1“.
In order to be able to represent and store different characters in the computer,
several bits are combined to form a bit group. One Byte is a sequence of 8 Bits.
There are 28
(=256) different combinations to represent one Byte. This means
One Byte can represent 256 different units of information.