Discovering computers, free computer learning, introduction to computers, computer in education, computer learning, free computer courses., learn computer through web,

How to learn English? Lectures of English Learning.

What is Sentence? | Parts of Speech. | Corrections of Common Errors. | Verbs which Take "Ed" to Form Past and Past Participle. | Verbs which Take "Ed" to Form Past and Past Participle. | Verbs which Take "Ed" to Form Past and Past Participle. | Verbs which Take "Ed" to Form Past and Past Participle. 

Discovering Computers

A Gateway to information

Chapter No.1

Introduction to Computers

A World of computer literacy?
Knowledge and understanding of computers and their uses.
Computers are everywhere.

Discovering Computers

Discovering Computers Lecture No.1

Introduction to Computer Science

Introduction to Computers Text Books

Introduction to Computers Reference Books

Introduction to Computers Assessment Criteria

Introduction to computers Sessional 15%

Introduction to computers Mid

Introduction to computers Final

Recognize the importance of computer literacy.
Define the term computer and identify its components.
Explain why a computer is a powerful tool.

A World of computer literacy?
Knowledge and understanding of computers and their uses.
Computers are everywhere.

What is a computer?
How is a computer defined?
Electronic device operating under the control of instructions stored in its own memory.

What is a computer?Input, output, process, storage, communication

The Components of a computer.What is an input device?Hardware used to enter data and instructions.

The component of a computer.What is an output device?Hardware that conveys information to a user.

The components of a computer.
What is the system unit?
Box-like case containing electronic components used to process data.

The components of a computer.What are two main components on the motherboard?Central Processing Unit (CPU)Also called a processor carries out instructions that tell computer what to do.

The components of a computer.What is storage?Holds data, instructions, and information for future use.Storage media Physical material on which data, instructions and information are stored.storage device Records and retrieves items to and from a storage medium

The components of a computer.
What is storage media?
Portable, thin memory cards used in:
Digital Cameras.
Handheld computers.

The components of a computer.
What is a floppy disk?
Thin, circular, flexible disk enclosed in rigid plastic shell.
A USB flash drive is portable, and has much greater storage capacity.

The components of a computer.
What is a flash drive?
Provides much greater storage capacity than a floppy disk or zip disk.
Small and lightweight enough to be transported on a key chain or in a pocket.

What is hard disk? Provides much greater storage capacity than a floppy disk or USB flash drive.Housed inside the system unit.

What is a Compact disc?
Flat, round, portable metal disc,
CD-ROM
CD-RW
DVD-ROM
DVD+RW

What is a computer so powerful?What makes a computer powerful?Storage, reliability and consistency, speed, accuracy, communications

What is a network? Collection of computers and devices connected together.
Communications device, Communications media, Enables a connection between computers

Networks and the internet.
What are the reasons to network?

Networks and the internet.What is a server?Manages the resources on a network.A client access the resources on the server.

What is the internet?
Worldwide collection of networks that connects millions of computers.

Why do users access the internet?
Communications, information, shopping, banking and investing, classes, entertainment.

What is the web?
Billions of documents, called web pages, available to anyone connected to the internet.

Computer Software.
How do you install a software program?
A program is a series of instructions that tells the computer what to do.

What is a graphical user interface (GUI)?
Allows you to interact with the software using graphics and icons.
Controls how you enter data and how the screen displays information.

Computer Software.
What is system software?
Programs that control the operations of the computer and its devices.
Operating system (OS) is a set of programs that coordinates all activities among computer hardware devices and allows users to run application software.

What is application software?
Programs that perform specific tasks for users.

What is a programmer? Someone who develops application or system software.
Programmer writes instructions to direct computer to process data into information.

categories of computers.
What are the categories of computers?

Personal computers.
What are the two most popular series of personal computers?

Personal computers.
What is a desktop computers?
Designed so all of the components fit on or under a desk or table.

Personal Computers.
What is a notebook computer?
Portable, small enough to fit on your lap.
Also called a laptop computer.
Generally more expensive than a desktop computer.

Handheld computers.
What is a tablet PC?
Resembles a letter-sized slate.
Allows you to write on the screen using a digital pen.
Especially useful for taking notes.

Handheld computers.
What are web enabled handled computers?
Allow you to check email and access the internet.
Web enabled telephone is a "smart phone".

Handheld computers.
What is a handheld computer?
Small enough to fit in your hand.
Used by mobile employees such as meter readers and delivery people.

What is a personal digital assistant (PDA)?
Provides personal organizer functions.
Calender, appointment book, address book, calculator, notepad

Servers.
What types of servers are there?

Elements of an information system.
What are information system elements?
People, procedures, data, software, hardware.

Examples of computer usage.
What are five categories of computer users?

Examples of computer usage?
What software is available for a home user?

Examples of computer usage.
What software is available for a small office/home office (SOHO) user?

Examples of computer usage.
What is available for a mobile user?

Examples of computer usage.
What are the needs of the large business user?

What are the needs of a power user?
Speed and large amounts of storage, types of power users.

Computer applications in society.
What are some examples of computer applications in society?

Summary of introduction to computers.
To importance of computer literacy.

Click on the following link to download the above said information in Power point Presentation

Download Power Point Presentation