4. Parallel ATA (PATA) Serial ATA (SATA)
PATA and SATA connector
600 MB/s133 MB/s
Up to 18 inches (limit) Up to 3 ft. (limit)
250 millivolts (0.25 volts) 5 volts
Allow hooking up
two drives in one cable
One drive per cable
Use for data transfer
Both IDE connectors
Use jumpers Do not use jumpers
Both connectors
to drives
5. Windows OS Mac OS
Windows OS Mac OS
Customizability
Voice commands
Maps
Both using GUI
“Macintosh”"Personal Computer"
Intel MicroprocessorsIntel and AMD processors
Using CLI
Microsoft
Product
MS-DOS
Better security to
viruses/malwares
Hardware Upgrading
Flexibility
ReliabilityBoth popular OS’s
Less more expensive Convenient
Program compatibility
and availability
Apple Product
Robust External
Accessory Support
Gaming
7. Causes of Defective Printer
Defective
Printer
Defective Cartridge
Paper is too
thick to print
Improper putting
of paper
Not refill a long time
No current
8. Causes of Defective Mouse and Keyboard
Defective
Mouse
and
Keyboard
Costumer is angry
Not used properly
Using it for a long time
No current
Costumer is hurrying
9. Causes of a Computer that is not displaying anything
Computer
is not
displaying
anything
Motherboard
Power Supply
Defective switch
No current
CPU
Loose cables
Not plugged-in cables
Improper place of the cables
Video Card
12. Concept Map for Computer Network
Computer
Network
Transmissio
n
Technology
OSI
Transmissio
n Media
Guided Unguided
TransmissionTwisted Pair
Coaxial Fiber optics
Wireless
Types of Network
Topology
(LAN)
Buses
(MAN)
Subnet (WAN)
Wireless
Connection
Ring Mesh Tree
Bus
Star Multiple Paths
13. Concept Map for Operating System
Operating
System
System
Software
Computer
Software
Computer
Hardware
Programs
Application
Software
Graphical User
Interface (GUI)
Command-line
User Interface
(CLI)
Icons
Buttons
Menus
Command
TextMS-DOS
Windows OS
Microsoft
Google
Chrome
Mozilla
Firefox
Mac OS
Apple
15. START
Dim a, b As Single
a<b
a>b
END
Print = “b”
Print = “a”
Input two numbers, find the higher number (VB)
Yes
Yes
No
No
Print = “Equal”
16. START
Dim a, b, c As Single
a>b
Input three numbers, find the highest number (VB)
b>c a>c
Print = “c” Print = “a”Print = “b”
END
Yes
YesYes
No
No No
17. Troubleshooting a Printer
START
Printer is not working
Does the printer have
paper inserted?
Yes
No
Put paper in printer
Is the power
light on?
- Plug in the printer
- Check if there is current
Search for hardware errors END
Yes
No
19. 24-pin ATX Power Supply connector
Pin Name Color Description
1, 2, 12 , 13 +3.3V Orange +3.3 VDC
3, 7, 15, 17 ,18
,19, 24
COM Black Ground
4, 6, 21, 22 ,23 +5V Red +5 VDC
8 PWR_ON Gray Power Good
9 +5VSB Purple +5 VDC Standby
10, 11, +12V Yellow +12 VDC
14 -12V Blue -12 VDC
16 PS_ON Green Power Supply On
20 NC White -5 VDC
(Optional)
20. Flowchart Symbols
SYMBOL / SHAPE NAME FUNCTION
Terminator -show the start and stop points in
a process
Decision -used when there are 2 or 3
options (Yes/No)
Connector -show a jump from one point in
the process flow to another
Data (Input/Output) -indicates inputs and outputs from
a process
Preparation -set-up operation
Process -represents a process, action, or
function
Manual Input -represents the manual input of
data into a computer(keyboard)
Flow line -show the direction that the
process flows
21. Boolean Algebra
NAME GRAPHIC SYMBOL TRUTH TABLE
AND
A B x_
0 0 0
0 1 0
1 0 0
1 1 1
OR
A B x_
0 0 0
0 1 1
1 0 1
1 1 1
Inverter
A x_
0 1
1 0
Buffer
A x_
0 0
1 1
22. NAME GRAPHIC SYMBOL TRUTH TABLE
NAND
A B x_
0 0 1
0 1 1
1 0 1
1 1 0
NOR
A B x_
0 0 1
0 1 0
1 0 0
1 1 0
Exclusive-OR (XOR)
A B x_
0 0 0
0 1 1
1 0 1
1 1 0
Exclusive-NOR or
Equivalence
A B x_
0 0 1
0 1 0
1 0 0
1 1 1
30. Top 5 fastest Countries Internet Connection Speed
0
5
10
15
20
25
30
2010 2011 2012 2013 2014 2015
South Korea
Hong Kong
Japan
Romania
Netherlands
Legend:
ConnectionSpeed(Mbit/s)
34. Users of the Different Web Browsers
0
10
20
30
40
50
60
70
Mozilla Firefox Google Chrome Safari Internet Explorer Opera
11%
2 %4%
59%
24%
Percentage(%)
36. Top 5 fastest Countries Internet Connection Speed
0 5 10 15 20 25 30
2010
2011
2012
2013
2014
2015
Netherlands
Romania
Japan
Hong Kong
South Korea
Legend:
Connection Speed (Mbit/s)
37. Users of the Different Web Browsers (2014)
0
10
20
30
40
50
60
70
Google Chrome
Mozilla Firefox
Internet Explorer
Safari
Opera
Percentage(%)
Legend: