This document provides an overview of computer basics and classifications. It discusses that computers are electronic devices that process information like the human brain. Computers are then classified into different types including supercomputers, mainframe computers, mid-range computers, handheld computers, and microcomputers. Microcomputers are further broken down into personal computer types such as desktops, laptops, nettops, netbooks, tablet PCs, pocket PCs, PDAs, and smartphones.

1. COMPUTER BASICS
Prepared by: Jm Ramos

2. What is Computer?
• Electronic hardware device
• Works like a human brain
• Information from our senses- actions
• Data- information to work

3. CLASSIFICATION OF COMPUTERS

4. 1. SUPERCOMPUTERS
• Most powerful computer available
• Used by large organization (big
corporations and government
institution
• NASA and the US government
• Video

5. 2. MAINFRAME COMPUTERS
• Less powerful than supercomputers
but are capable of great processing
speed, multi-tasking capability and
high data storage
• Mostly used by banks and insurance
companies
• Video

6. 3. MID-RANGE COMPUTERS
• Used by medium size companies for
specific purposes
• May be a stand alone system for
specialized application including
network servers

7. 4. HANDHELD COMPUTERS
• Smallest computer that are design to
fit into one hand or palm
• Called it palm top computers
• PDA (Personal Digital Assitane)

8. 5. MICROCOMPUTERS
• Desktop computers
• You can see it in homes, schools and
in most business
• 2 types
▫ Desktop computers
▫ Notebook computers

9. PERSONAL COMPUTERS

10. 1. DESKTOP COMPUTERS
• Set- up wherein it is located on a desk
or table
• Cannot be carried around due to its
heavy weight

12. 2. LAPTOP COMPUTER
• hardware of Desktop computer are
packed together

14. 3. MULTI-TOUCH
• Computer monitor screen
• Interaction of two or more fingers
direction into screen to give a command

15. 4. Nettop Desktop Computer
• Small size, low voltage, and lower power
• Cheap making deal for internet task and
basic Microsoft Office
• Most Nettops have built in Wi-Fi

17. 5. Netbook
• Called a “mini notebook”
• Features : small size, light weight, low
power, and inexpensive character that
appeals to mobile users

19. 6. Tablet PC
• Notebook equipped with a touchscreen,
which allows the user to operate the
computer using a digital pen or stylus

21. 7. Pocket PC
• Handheld or pocket size computer
running on MS Windows Pocket PC
edition with all features of modern
desktop PC.
• Have mobile phone feature

23. 8. PDA
• Personal Digital Assistance
• Also called palm type computer
• Have phone capabilities, web browser,
internet, music and video
• Touch screen is a standard feature

25. 9. Smartphone
• Features of pocket PC and PDA are
incorporated
• Receive phone calls, text messages
• Camera and video recording
• GPS navigation