SCHEMATIC DIAGRAM
A SCHEMATIC DIAGRAM IS A REPRESENTATIVE
OF SYSTEM ELEMENTS THAT ARE ABSTRACT OR
SYMBOLS GRAPHICAL IN NATURE. IT REMOVES
ALL THE IRRELEVANT INFORMATION.
SCHEMATIC DIAGRAM
INPUT DEVICES
DATA
In the data processing cycle
example above, Input/Output
Devices are represented by a
rectangle.
CPU
• DATA
MAIN/INTERNAL
MAIN/INTERNAL
OUTPUT
DEVICES
The rectangle doesn’t resemble
the actual devices but gives you
information w/o unnecessary
visual clutter.
SCHEMATIC DIAGRAM
THE SAME LOGIC GOES WITH THE FLOW OF
THE DATA AND HOW THEY ARE BEING
PROCESSED, STORED, AND RETRIEVED FROM
CPU AND COMPUTER MEMORY.
CHART
A CHART IS A DIAGRAM THAT DISPLAYS THE
RELATIONSHIP OF AT LEAST TWO VARIABLES. IT IS
OFTEN USED TO EASILY INTERPRET LARGE
QUANTITIES OF DATA AND THE RELATIONSHIP
BETWEEN THEIR PARTS.
HISTOGRAM
A HISTOGRAM IS A GRAPHICAL
REPRESENTATION OF THE
DISTRIBUTION OF NUMERICAL DATA.
BAR CHART
Название диаграммы
Category 4
Category 3
Category 2
Category 1
0
1
2
3
Series 3
Series 2
4
Series 1
5
6
BAR CHART IS A GRAPHICAL
REPRESENTATION OF GROUPED
DATA.
PIE CHART
Sales
1,2
1,4
1st Qtr
2nd Qtr
3rd Qtr
3,2
8,2
4th Qtr
THE PIE CHART IS A GRAPHICAL REPRESENTATION
OF QUANTIFIABLE DATA REPRESENTED BY A
SECTIONED CIRCLE MUCH LIKE A PIE THAT’S BEEN
CUT WITH THE SLICES VARYING IN SIZE.
LINE CHART
Название диаграммы
14
12
10
8
6
4
2
0
Category 1
Category 2
Series 1
Category 3
Series 2
Series 3
Category 4
THE LINE CHART IS A GRAPHICAL
REPRESENTATION OF INFORMATION AS A
SERIES OF DATA POINTS CONNECTED BY THE
LINE SEGMENTS.
BLOCK DIAGRAMS
STEP
DOWN
T/F
BRIDGE
RECTIFIER
FILTR
CIRCUIT
REGULATOR
RECHARGABLE
BATTERY
POWER SUPPLY TO ALL SECTIONS.
LAYOUT PLANS
A LAYOUT PLAN IS A TOOL TO ARRANGE A
WORKPLACE, LIKE IN A PLANT, ORGANIZATION, OR
COMPUTER LABORATORY IN YOUR SCHOOL. IT
SHOWS HOW THE COMPUTERS SHOULD BE
LOCATED AND ARRANGED PROPERLY ACCORDING
TO SPECIFICATIONS LIKE THE SIZE OF THE ROOM
AND NUMBER OF UNITS TO BE INSTALLED.
LOOP DIAGRAM
THREAD
EVENTLOOP
CHANNEL
CHAN
NEL
CHANNEL