WEEK-9 INTERNET

This course is called computer and internet. For the last 8 weeks we were studying computer and network but week 9 is about more interesting topic which is INTERNET.

Historically, the idea of internet was invented in 1960. And know internet now become one of our daily life.
In this week we have learned

• Internet History
• Applications of internet like emails
• Browsers 
• internet service provider

Week 7: Microsoft Excel

In week 7 we studied Microsoft Excel.
Ms Excel is one of the spreed sheet applications written and distributed by Microsoft office.
If you want to open a Microsoft Excel you can double click on the Ms excel icon on the desktop or you can search from start menu.

Ms excel is capable of calculating numerical values which word cannot and you can use all financial reports.

Week 6: MICROSOFT WORD

During week 6 we have learned an important lessons. Microsoft word is a crucial for all users such as students, teachers, writers and etc. In Microsoft word you can  the size, shape and add tables, pictures and you can prepare your own documents.

How to start Microsoft word?
In order to start Microsoft word double click the M Sword icon on the desktop. Then you will start using it.

You can produce different styles of documents by using Microsoft word.

Week 5

WINDOWS 7

In week 5 we have learned MS Windows, its features and also its properties. First we talked about the history of Microsoft and its production.

The latest version of a series of Operating Systems that Microsoft has produced for use on personal computers.

Gadgets

You can select or download gadgets such as a slide show, calendar or weather update to add to your Desktop.

Taskbar

The taskbar is now more convenient to use with larger views and easier access.

Search

In start menu there is a search place where you can search all of your documents in your computer. When you start typing the matching names will appear.

Library

Libraries allow you to organize your files in one place so they are easy to search and access.

Windows 7 has four default Libraries for documents, music, pictures and videos, however you can customize and create your own Libraries based on your needs.

Aero

Aero is an interface that makes your visual interactions with the desktop fun and easy.

  

Finding file and folder

Using search

Locate the Search bar at the top right corner of the Windows Explorer pane.

Typing the file name or keyword.

Search will start displaying matching items even before you finish typing

Week 4: Networking

 COMPUTER NETWORING
This week was my favourite week because this topic is very interesting and I like computer networking system.

What is networking?

Networking is a group of computers and other devices connected in some ways so that they can exchange data and information.  In order to make a computer networking system we should have communication media, interconnecting devices, computers, network software and applications.

When we get these three conditions our computer network will be successful:

Ø   Topology: physical layout of the network

Ø  Protocol: is a set of rules and instructions

Ø  Architecture: the coordination of hardware and software

Network medium

Network medium is the

There are two types of network medium

Ø  Physical medium: it is also called wired medium. There are a number of different types of network wires such as twisted pair cables, coaxial cables, fiber-obtic cables, etc.

Ø  Wireless medium: is a modern medium without wire. This medium uses electromagnetic waves such as microwave system, infrared technology, satellite system, etc.

Types of network

There are a number of network types

Ø  Network in a small geographical area called LOCAL AREA NETWORK LAN

Ø  Network in a city called METROPOLITAN AREA NETWORK MAN

Ø  Network across countries and globe called  WIDE AREA NETWORK WAN 

  

Peer to peer network

In peer to peer network computer are considered similar and no one has higher access period than the other. 

Week 3

What is computer software?

Computer software is a collection of computer programs and related data that provides the instructions for telling a computer what to do and how to do a particular task.

What are the types of computer software?

The answer is, there are three categories of software which are:

Ø  System software: controls and maintains the operations of the computer and its device.

Ø  Application software: makes users more productive and assists them with their tasks.

Ø  Programming language: it suits programmers to communicate with computers

We also learned software layers which are the steps followed by a computer user.

Application program is where the normal computer use occurs such as using word program.

Operating system receives and order from the application program and it checks. When it realizes that the data is safe it proceeds to the next step.

Device driver has a contact with printers and other hardware. It is also able to connect OS directly to hardware devices.

Bios (system software) Contains library routines and common tools that hide the operating system from applications.

Operating system

What is operating system?

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer program.

What are the functions of operating system?

Ø  Performing computer basis tasks

Ø  Provides a user interface

Ø  Provides file management

System software

What is system software?

System software runs the hardware and computer system.

Functions of system software

Ø Monitoring system activities

Ø File and disk management

 Applications software

What is application software?

Application software was designed to help the users to perform specific task like business activity, office suits, and graphics software and media players.  

What are the functions of applications software?

Ø  Application software provides high level service that users can access.

Ø  Application software inter acts other software to do their necessary tasks.