Basic Computer Course

 CCC COMPUTER COURSE 

Hello Friends, 

Date-11/10/2021

                                                                       LESSON = 01

                                            [   PARTS OF COMPUTER   ]

ABOUT COMPUTER

Naeem Chaudhary, Mohd. Sameer

Kavya Computer Institute,

272152, Marwatiya Bazar, Siddhartha Nagar,

What is  Computer?

 ➨  A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically.

Part of computers

• Processor: It executes instructions from software and hardware.

• Memory: It is the primary memory for data transfer between the CPU and storage.

• Motherboard: It is the part that connects all other parts or components of a computer.

• Storage Device: It permanently stores the data, e.g., hard drive.

• Input Device: It allows you to communicate with the computer or to input data, e.g., a keyboard.

• Output Device: It enables you to see the output, e.g., monitor.

 

characteristic of computer-

1- Speed

2- Accuracy

3- diligence

4- Storage Capacity

5- Versatility

Basic Terms and  Classification of generations of computer

Generations of computers	Generations timeline	Evolving hardware
First generation	1940s-1950s	Vacuum tube based
Second generation	1950s-1960s	Transistor based
Third generation	1960s-1970s	Integrated circuit based
Fourth generation	1970s-present	Microprocessor based

Chapter One - Introduction of Computer

Part name of the computer

Compact disc(CD): It stores information many times more than a floppy disk.

 

CPU: The processing device in a computer.

 

Electronic machine: It is the machine that runs with the help of electricity.

Floppy disk: It stores a small amount of information.

 

Hard disk: It stores a large amount of information.

Headphones: The device for listening to the recorded sounds without disturbing others.

 

Input devices: These help us put data into the computer.

Joystick: It is used for playing computer games.

 

Keyboard: This is used to enter data into the computer system.

Microphone: It is used for recording sound.

 

Monitor: It shows whatever you type on the keyboard or draw with the mouse.

 

Mouse: It is a pointing device.

 

Output devices: These help us to show the results of processing.

Processing device: Helps to store, sort, arrange and change the inputs on a computer.

Scanner: It copies pictures and pages and turns into images that can be saved on a computer.

Speakers: These are used for listening to recorded sound.

 

Storage devices: These form the memory of the computer.

Web camera: It is used for taking live photos and videos.

The basic parts of a computer system are:

1. Monitor

2. CPU (Central Processing Unit)

3. Keyboard

4. Mouse

5. Speakers

6.     6. Printer

 

                                                                                                        

                                                                                                         

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