The Basics of Computers

1
Introduction
The Basics of Computers (Part 2)
2
KEYBOARD

• Basic Divisions
• Alpha-numeric Keys
• Numeric Keypad
• Function Keys
• Cursor-movement Keys

3
KEYBOARD

• Basic Divisions Alpha-numeric Keys

4
KEYBOARD

• Basic Divisions Numeric Keypad

5
KEYBOARD

• Basic Divisions Function Keys

6
KEYBOARD

• Basic Divisions Cursor-movement Keys

7
Cursor
8
MONITOR

• 2 types
• Cathode Ray Tube (CRT)
• Liquid Crystal Displays (LCD)
• Can be Color / Paperwhite

9
MONITOR

• Resolution
• the number of horizontal and vertical pixels

10
PRINTERS

• Dot-Matrix Computer
• Laser Printers
• Ink-Jet Printers

11
PRINTERS

• Dot-Matrix Computer

9-pin Printer
24-pin Printer
12
PRINTERS

• Laser

A
13
FLOPPY DISKS
SECTORS
TRACKS
14
CD-ROM

• Compact Disk - Read Only Memory
• a type of optical storage with the use of laser

15
CD-ROM
Humps
Land
16
CD ROMS
Laser
Laser
Sensor
Sensor
1
0
0
0
1
0
1
0
1
0
17
NETWORKS

• A system of interconnected computers that can
  communicate with each other and share
  applications and data
• via copper wires, lasers, microwaves,
  communication satellites, telephone lines

18
Networks
LOCAL AREA NETWORK
19
Networks
LAN at CDO
LAN at MNL
WIDE AREA NETWORK