ICT121: Basic concepts of
IT
(Lec
1)
ICT121 –
2017/18
, Outlin
e
Definitions: Technology, IT &
computer
Data vs Information
Data processing cycle
History of computers
Computer categories
Main computer components (s/w &
h/w)
Hardware & software relationship
Computer’s basic functions
Advantages vs disadvantages of
computers ICT121 – 2017/18
2
, Technolo
gy
The practical application of scientific
knowledge
◦ for improving human life
Equipment designed using scientific
knowledge
Information Technology
(IT)
The application of computers and
telecommunications equipment to store,
retrieve, transmit and manipulate data,
3
often in the context of a business or other
ICT121 – 2017/18
enterprise. (Wikipedia)
IT
(Lec
1)
ICT121 –
2017/18
, Outlin
e
Definitions: Technology, IT &
computer
Data vs Information
Data processing cycle
History of computers
Computer categories
Main computer components (s/w &
h/w)
Hardware & software relationship
Computer’s basic functions
Advantages vs disadvantages of
computers ICT121 – 2017/18
2
, Technolo
gy
The practical application of scientific
knowledge
◦ for improving human life
Equipment designed using scientific
knowledge
Information Technology
(IT)
The application of computers and
telecommunications equipment to store,
retrieve, transmit and manipulate data,
3
often in the context of a business or other
ICT121 – 2017/18
enterprise. (Wikipedia)
