Define Computer
Computer is an electronic device which we can process raw data under the control to generate useful information.`
Electronic:- is also known as digital device. Digital is the short form of digits. There are two digits:- 0 & 1. 0 is off and 1 is on.
Device:- is also known as machine. These are two types of devices:- Input Process Output
Input Devices Process Output
Keyboard, Mouse, Scanner C.P.U (C.U and A.L.U) Monitor, Printer
Types of Computer
Desktop Computers:- Desktop computers are designed for use at a desk or table. They are typically larger and more powerful than other types of personal computers. The main component, called the system unit, is usually a rectangular case that sits on or underneath a desk.
Laptop computers:- Laptop computers are lightweight mobile PCs with a thin screen. Laptops can operate on batteries, so you can take them anywhere. Unlike desktops, laptops combine the CPU, screen, and keyboard in a single case. The screen folds down onto the keyboard when not in use.
Smartphones:-Smartphones are mobile phones that have some of the same capabilites as a computer. You can use a smartphone to make telephone calls, access the Internet, organize contact information, send e‑mail and text messages, play games, and take pictures. Smartphones usually have a keyboard and a large screen.
Handheld computers:-Handheld computers, also called personal digital assistants (PDAs), are battery-powered computers small enough to carry almost anywhere.
Uses of Computer:
1. Storing:- It is used for store the files, if you want to add or change the matter in old file. Click Save. Otherwise if you want store the new file name now click Save as.
2. Searching:- It is used for searching the words, files, folders, programs and pictures.
3. Calculator: With the help of computer it is used for calculate the mathematical functions. Ex.
4. Entertainment: - It is used for playing games, listening music, movies, songs etc.
5. Communicate:- It is used for chatting, send the messages, file attachments through internet
Full Form of Computer:- C – Common O – Oriented M – Machine P – Particularly U- Used for Under T- Technical E- Education & R- Research
Master of Computer
Charles Babbage
Fields of Computer
1. Hospital
2. Banks
3. Schools
4. Electricity Board
Methods of Computer
1. Information:- it is the full form of data is called information. i.e. One person to give the information to other person.
2. Data:- Data is used to unorganised facts or figures which are recorded in computer is called data. Three types of data:- Alphabetic:- A-Z, Numeric:-0-9, Symbols:- +,-,x,/,% etc.
3. File:- It is the further collection of data is called file. Account List, Student List etc.
Computer is an electronic device which we can process raw data under the control to generate useful information.`
Electronic:- is also known as digital device. Digital is the short form of digits. There are two digits:- 0 & 1. 0 is off and 1 is on.
Device:- is also known as machine. These are two types of devices:- Input Process Output
Input Devices Process Output
Keyboard, Mouse, Scanner C.P.U (C.U and A.L.U) Monitor, Printer
Types of Computer
Desktop Computers:- Desktop computers are designed for use at a desk or table. They are typically larger and more powerful than other types of personal computers. The main component, called the system unit, is usually a rectangular case that sits on or underneath a desk.
Laptop computers:- Laptop computers are lightweight mobile PCs with a thin screen. Laptops can operate on batteries, so you can take them anywhere. Unlike desktops, laptops combine the CPU, screen, and keyboard in a single case. The screen folds down onto the keyboard when not in use.
Smartphones:-Smartphones are mobile phones that have some of the same capabilites as a computer. You can use a smartphone to make telephone calls, access the Internet, organize contact information, send e‑mail and text messages, play games, and take pictures. Smartphones usually have a keyboard and a large screen.
Handheld computers:-Handheld computers, also called personal digital assistants (PDAs), are battery-powered computers small enough to carry almost anywhere.
Uses of Computer:
1. Storing:- It is used for store the files, if you want to add or change the matter in old file. Click Save. Otherwise if you want store the new file name now click Save as.
2. Searching:- It is used for searching the words, files, folders, programs and pictures.
3. Calculator: With the help of computer it is used for calculate the mathematical functions. Ex.
4. Entertainment: - It is used for playing games, listening music, movies, songs etc.
5. Communicate:- It is used for chatting, send the messages, file attachments through internet
Full Form of Computer:- C – Common O – Oriented M – Machine P – Particularly U- Used for Under T- Technical E- Education & R- Research
Master of Computer
Charles Babbage
Fields of Computer
1. Hospital
2. Banks
3. Schools
4. Electricity Board
Methods of Computer
1. Information:- it is the full form of data is called information. i.e. One person to give the information to other person.
2. Data:- Data is used to unorganised facts or figures which are recorded in computer is called data. Three types of data:- Alphabetic:- A-Z, Numeric:-0-9, Symbols:- +,-,x,/,% etc.
3. File:- It is the further collection of data is called file. Account List, Student List etc.
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