Introduction
The word computer is derived from the Latin word “computer” that means to calculate or programmable machine.
And it is the electronic device that receives information and processes it by the different command in software and gives us result and the result is based on information provided by the users.
It is used to carry out the arbitrary sequences of arithmetic and logical operation automatically.
Definition Of Computer
The computer is an electronic data processing device which accepts and stores data input, processes the data input, and generates the output in a required format.
Various Parts Of A Computer
the various parts of the computer include a system unit, keyboard, monitor, electronic-mouse, printer, CD drive, speakers, etc.
System Unit
It is the most important party in the computer. The system unit houses the CPU, hard disk, motherboard, random access memory, etc.
Ram stores the temporary information while the system is on. It removes the data as soon as the system is switched off.
The Mother Board connects and allows communication between various units of the computer.
The CPU processes the information.
Hard Disk stores the saved information is stored on the hard disk.
Keyboard: letters and number are keyed into the computer system through the keyboard.
Mouse: it points the cursor and is used in selecting an icon on the screen.
Monitor: it displays the information. Cathode Ray Tube monitors are very bulky. Liquid Crystal Display and Light Emitting Diode monitors are thin and light.
There are other components of a computer system that includes speakers, printers, etc.
Advantages
Reduced Cost
Prepare Books Of Accounts
With the help of accounting software, we can prepare our books of accounts.
Multimedia
The computer can also be used as an entertainment device. We can play various multimedia applications such as music, video, etc.
Calculations
Businesses are increasingly using spreadsheets and other software as a tool for preformation mathematical calculation.
Play Games
When it comes to games, the choices are almost unlimited.
Presentations
If your office demands that you prepare presentations, you can prepare it in a PowerPoint.
Disadvantages Of Computers
Each instruction has to be given to the computer. A computer is a machine that has no intelligence to perform any task. A computer cannot take any decision on its own.
Dependency
as per a user’s instruction, so it is fully dependent on a human being.
Environment
The operating environment of the computer should be dust free and suitable.
No Feeling
The computer has no feeling or emotions. It can make juda get based no feeling, tested, experience, and knowledge, unlike a human being.
Conclusion
Three principal parts of a computing system are subject to attacks: hardware, software, and data. Computer security attempts to ensure the confidentiality, integrity, and availability of computer systems and their components.
These three and communication among them are susceptible to computer security vulnerabilities. And the system can devise attacks that exploit the vulnerabilities.
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