input and output devices of a computer

1. INPUT AND OUTPUT DEVICES OF
A COMPUTER

2. INPUT DEVICES
Keyboard Mouse
Direct Entry

3. OUTPUT DEVICES
LCD Monitor LED Monitor
COMPUTER DISPLAY MONITORS

5. CROSSWORD PUZZLE
W I D E A R E A N E T W O R K
A Y T T P O P Q E B Q Q Q N Q
S H T H H U B E T R W W W E W
W A Q E Q T Q P W I E E E T E
W V W R W E W M O D E M R W R
E Z E N E R E Q R G Q E Q O X
D X R E R S R W K E W W W R W
E N E T W O R K F Q E E E K E
A Y T S A Y T Q I W R Q R G R
S H T W S H T W R E Q W Q A Q
W A Q I W A Q E E R W E W T W
W V W T W V W R W Q E R E E E
E Z E C E Z E Q A W R Q R W R
R C C H R E W W L E Q W Q A Q
W I R E L E S S L A N E W Y W
Activity 1

6. CROSSWORD PUZZLE
W I D E A R E A N E T W O R K
T O E B N
H H U B T R E
E T W I T
R E M O D E M W
N R R G O
E S K E R
N E T W O R K F K
S I G
W R A
I E T
T W E
C A W
H L A
W I R E L E S S L A N Y

7. PERSONAL AREA NETWORK (PAN)
a computer network for interconnecting electronic devices centered on an
individual person's workspace. A PAN provides data transmission among
devices such as computers, smartphones, tablets and personal digital
assistants.

8. WIRELESS LAN (WLAN)
A wireless computer network that links two or more devices using wireless
communication to form a local area network (LAN).

9. LOCAL AREA NETWORK (LAN)
A Local Area Network (LAN) is a network that is confined to a relatively small
area.

10. NETWORKING DEVICES
Consist of, but are not limited to non-local printers, workstations, servers,
webcams, data loggers, instruments, dial-in devices, and, in general anything
that requires an Ethernet connection.

11. Hub is a small, simple, inexpensive device that joins multiple computers together.
Many network hubs available today support the Ethernet standard.
NETWORKING DEVICES

12. Ethernet switch is a device that gathers the signals from devices that are
connected to it, and then regenerates a new copy of each signal.
NETWORKING DEVICES

13. Bridge is a device filters data traffic at a network boundary. Bridges reduce
the amount of traffic on a LAN by dividing it into two segments.
NETWORKING DEVICES

14. Network gateway is an internetworking system capable of joining together two
networks that use different base protocols. A network gateway can be
implemented completely in software, completely in hardware, or as a
combination of both.
NETWORKING DEVICES

15. Modem is a contraction of the terms modulator and demodulator. Modems
perform a simple function: They translate digital signals from a computer into
analog signals that can travel across conventional phone lines.
NETWORKING DEVICES

16. Network interface is a device that connects a client computer, server, printer or
other component to your network.
NETWORKING DEVICES

17. NETWORKING DEVICES
Network firewall protects a computer network from unauthorized access.
Network firewalls may be hardware devices, software programs, or a
combination of the two.

18. WAN
LAN
WLAN
PAN
Activity 2

19. WAN
LAN
WLAN
PAN
5 meters
Activity 2

20. WAN
LAN
WLAN
10 meters, 20 meters
PAN
5 meters
Activity 2

21. WAN
LAN
30 meters, 40 meters, 50 meters
WLAN
10 meters, 20 meters
PAN
5 meters
Activity 2

22. WAN
100km, 1000km
LAN
30 meters, 40 meters, 50 meters
WLAN
10 meters, 20 meters
PAN
5 meters
Activity 2

23. What are the types of network?
How are these types of network different from one another?

24. • What are the importance of network nowadays?
• If you could be reincarnated as one of the inventors and innovators of
computer network, how would you explain yourself and your motivation
behind this magnificent idea?

25. ASSESSMENT
• Direction: Identify what is being described in the following sentences and write your answer on a separate sheet of paper.
• 1. It protects a computer network from unauthorized access.
• 2. Type of network that connects larger geographic areas, such as Florida, the United States, or the world.
• 3. This is an internetworking system capable of joining together two networks that use different base protocols.
• 4. It is consists of two or more computers that are linked in order to share resources (such as printers and CD-ROMs), exchange files, or allow
electronic communications.
• 5. They translate digital signals from a computer into analog signals that can travel across conventional phone lines.
• 6. It is a device that connects a client computer, server, printer or other component to your network.
• 7. A device filters data traffic at a network boundary.
• 8. It is a device that gathers the signals from devices that are connected to it, and then regenerates a new copy of each signal.
• 9. It is a small, simple, inexpensive device that joins multiple computers together.
• 10. Type of network that is confined to a relatively small area.

26. • I. Essay Writing
• Instruction: write an essay on the importance of network and how are you
going to use it as one of many ways to promote the welfare of the learners
and to advocate peace and order in this time of crisis caused by pandemic.