ict Literacy Training - WordPress – www.wordpress.com

cottonseedfearnotElectronics - Devices

Nov 7, 2013 (3 years and 7 months ago)

109 views

BASIC
COMPUTER
LITERACY

What is a Computer?


A
computer

is an
electronic device that
manipulates
information or "data."

It has the ability to:


Retrieve, and

process

data.
You can use a a computer to:



type documents,



send email,



and surf the Internet.


You can also use it to handle
spreadsheets, accounting,
database
management,
presentation
,
games, and more.





withdraw cash from an ATM,



you scan groceries at the store,



use a calculator


1. The Mainframe Computer


These
are computers used by large
organizations like meteorological
surveys and statistical institutes for
performing bulk mathematical
computations.



What are the Different Types of
Computers?


Main Frame

2.
The

Microcomputer


These are the most frequently
used computers better known
by the name of “Personal
computers”. This is the type of
computer meant for public use.

Desktop Computers


Laptop

Personal Digital
Assistant (PDA)

Tablet PC

Handheld Computers

3. The Mini computer


Mini computers like the mainframe
computers are used by business
organization. The difference being
that it can support the
simultaneous working of up to 100
users.



It is usually maintained in
business organizations for the
maintenance of accounts and
finances.

Mini Computer

Other Types of Computers




Workstations

are similar to
desktop computers, but are
more powerful and are usually
connected to a network.




Servers

are specialized computers
that store and deliver, or “serve
up,” information to other
computers on a network.


There are many different types of
servers such as
file servers
,
database servers
, and
web servers

All types of computers consist of
two basic parts









H
ardware



S
oftware
.


Hardware


The term hardware
describes the physical
parts of your computer
which you can
physically touch or see.

What are the Basic
Parts of a Desktop
Computer?




The System Unit
-

The case or box that contains the
computer's power supply, storage devices, and the main
circuit board with the computer's main processor and
memory.





Front Panel

Back Panel

Monitor
-

The monitor displays the video and
graphics information generated by the computer
through the
video card
. Monitors are very similar to
televisions


Keyboard
-

A piece of hardware that
resembles a typewriter keyboard. It is an input
device It is one of the primary ways we
communicate with the computer and enter data.



Mouse
-
is a
pointing device

that functions by
detecting
two
-
dimensional

motion relative to its
supporting surface


Computer Peripherals

Printer
-
is a
peripheral

which produces a hard copy (permanent

Readable text and/or graphics) of documents stored in
electronic


Form, usually on physical print media such as paper or transparencies.

Head phone and microphone

Web Camera

MP3 Players


It describes the programs that run
on your system. This includes your
computer operating system and
other computer programs which
run

Software

Operating System (OS)


It is the most important software
that runs on a computer.



It is any set of instructions that
performs some task on a
computer.



It performs many essential tasks
for your computer.



It controls the memory needed
for computer processes,


manages disk space,



controls peripheral devices,


and allows you to communicate
with the computer without
knowing exactly how a
computer works.


Without an operating system, a
computer is useless
.


Types of Operating Systems




Operating System Types



Windows XP Professional
Edition


Windows XP Home Edition


Windows 2000


Windows ME


Windows 98


Windows NT


Windows 95



Unix


Linux


Apple MacIntosh


Software Applications


Applications are
programs that are
installed. on computers to
give users the ability to do
specific tasks.


Word Processing


Spreadsheet


Database


Presentation


Graphics


Music/media players


Games


Web Browsers


Graphic Art software


Desktop Publishing software



Multimedia Development software


HTML editors,


Digital Animation editors



Digital Audio and Video composition

The Standard Keyboard Layout

Some Rules for Making a Presentation

Word Processing


A
word processor

(more formally
known as
document preparation
system
) is a
computer

application

used for the production (including
composition, editing, formatting, and
possibly printing) of any sort of
printable material.


Word processors are descended from
early
text formatting

tools (sometimes
called
text justification

tools, from
their only real capability).
Word
processing

was one of the earliest
applications for the
personal
computer

in office productivity.


Microsoft Word

is the most widely used
computer word processing system;
Microsoft

estimates over five hundred million people use
the
Office

suite, which includes Word. There are
also many other commercial word processing
applications, such as
WordPerfect
, which
dominated the market from the mid
-
1980s to
early
-
1990s, particularly for machines running
Microsoft's
MS
-
DOS

operating system
.
Open
-
source

applications such as
Abiword
,
KWord
,
LyX

and
OpenOffice.org Writer

are rapidly gaining in
popularity.

Presentation


A
presentation software

is a
computer
software

package used to display
information, normally in the form of a
slide
show
. It typically includes three major
functions: an editor that allows text to be
inserted and formatted, a method for
inserting and manipulating graphic images
and a slide
-
show system to display the
content.

How to Create a Presentation?


Start with a template (background) on
which your text, pictures, graphs or
videos will be shown. (FILE

» NEW

»
FROM TEMPLATE)


Choose the format of your slide, for
instance, If you want to have a single
slide with text on the right and a
picture on the left. Choose the text or
content layout. (INSERT

» NEW SLIDE)



If you want to type text, choose a "slide
layout" with a text box as shown in the
sample template picture. Same process
for a picture, movie or sound file.


To insert anything (text, charts,
whatever), simply click on the
designated box to activate it and start
inserting away.


To play the presentation go to: VIEW

»
SLIDE SHOW or press "F5".




Amelyn P. Abella, MAT H.E.

ICT Coordinator

Ilocos Sur National High School

Vigan City (Ilocos Sur)