1. COMPUTER SYSTEM
2.1 System Concept
2.1.1 Overview of Computer System
2.1.2 Data Representation
2.1.3 Storage Capacity
2. Overview
of
Computer
System
INPUT
Enter data into
comp.
Process
Transform
data to
information
Output
Presenting
the result
Storage
Saving data
for future
IPO MODEL
DIFFERENCES BTWN
DATA&INFORMATION
DATA INFORMATION
Is collection of
unprocessed items such:-
-numbers,images,audio
and so on
Has been processed and
useful to people
Multi-flow Map
Computer system is
-a collection of related
computer components
(hardware & software) tht
have been designed to work
together smoothly
3. THE COMPONENTS
OF COMPUTER
SYSTEM
SOFTWARE
SYSTEM SOFTWARE
-control @ maintain the
operations of a comp. & its
devices
-windows xp
APPLICATION SOFTWARE
-designed to make users
productive and assists them
w/personal tasks
-powerpoint,word
HARDWARE
-Printer
-USB flash drive
-Web RAM
Tree Map
4. Data
Representation
BIT?
Smallest unit of data a
computer can process
consists of 1(on) or
0(off)
To measure data
transfer rate of computer
communications devices
BYTE?
Eight bits grouped
together as a unit to
store single character
Use to measure storage
capacity
Brace Map
