Article by James Madison
Computer parts and accessories the lifeline of a computer
Article by Aditi Malhotra
A computer has become a necessity in everyday life. The popularity of the internet and the ease of communicating through it have increased the use of computers for professional as well as personal needs. From filling online forms for a school/ college admission to applying for a job, a computer is must have for all. A branded desktop fitted with the latest and genuine software is the first choice of consumers. However, it is very important to know about the parts and configuration of the computer that distinguishes an average computer from a high performance device.
The brain of a computer is the CPU or central processing unit. It controls the processes and information stored in the computer. Each part of the computer is controlled by the CPU. Computer CPU parts consist of motherboards, processors, printed circuit boards (PCBs), hard disk and random access memory (RAM). All these components have different functions that determine the speed, precision of operation, quality and reliability of a computer. There is a wide range of assembled computers available with Intel and AMD leading the market in processors. The price of CPU varies according to the specifications of the processor and the kind of computer hardware fitted in the cabinet.
Computer Fraud
Computer Fraud
Before the advent of computers, confidence schemes and other types of fraud often required the criminals to meet with their victims face-to-face, deal with them over the phone, or by mail. These methods often put the criminal at risk of being identified and apprehended later by a positive identification.
Many crimes committed over the internet are perpetrated by nameless, faceless attackers that can commit their crimes and fraudulent acts from anywhere in the world. Because of the relative simplicity of fraud and internet crimes, criminals have been able to devise many ways of bilking people out of money and property.
Types of Fraud:
There are many different types of fraud, but common cases often include:
Online confidence schemes
Internet investment fraud
Computer hacking
Account and credit card number theft
Theft of personal information
Hacking into computer systems to alter or delete information
It is important for people to be aware of the potential for computer fraud and to protect themselves and their property from theft.
Although most people are aware that they should be wary of their actions on the internet and should set up some sort of protection, many do not know the right steps to take.
Protecting Against Computer Fraud
People can follow several steps to protect themselves against computer fraud including:
Online Computer Support is Just A Click Away
Article by Tiffany Halstead
Online computer support services are the services that are provided by many companies to help the customers to resolve different computer issues. Todays is a tech savvy generation and no one wants to waste time and money. If something goes wrong with your computer, you will, for sure, not like it to wait for the technician to come at your premises or take PC to the repair shop. You would want to fix all your computer issues immediately. Dont worry online support services are here to help you troubleshoot all PC error instantly and remotely.
Computer support services are the services that offer technical guidance to the computer users to solve different problems associated with their PCs, Laptops and other peripherals. These services are the instant computer repair solution.
Generally, people do not have sufficient knowledge to sort out their computer issues. They do not get the right IT resources to troubleshoot PC errors. This is the reason a lot of people are opting for the online support services. They rely on these services which are not only fast but reliable as well.
There are a number of companies that are providing their services to help customers work on their system uninterruptedly. These companies offer a wide range of services for computer support. Availing computer support services from online resources has a plenty of benefits. You do not have to drive down to the local computer repair shops and wait for weeks to get your computer back. In this mode of computer repair, you get instant PC repair solutions.
computer viruses
WHAT IS A COMPUTER VIRUS:
The term usually used to define a computer virus is:’ A computer virus is often malicious software which replicates itself’
- COMPUTER VIRUSES ARE BASICALLY PROGRAMS, LIKE A SPREADSHEET OR A WORD PROCESSOR.
- PROGRAMS WHICH CAN INSERT EXECUTABLE COPIES OF ITSELF INTO OTHER PROGRAMS.
- PROGRAMS THAT MANIPULATES PROGRAMS, MODIFIES OTHER PROGRAMS AND REPRODUCE ITSELF IN THE PROCESS.
Comparing Biological viruses & Computer viruses
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* Attack specific * Attack specific
* body cells * programs (*.COM *.EXE)
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* Modify the genetic information * Manipulate the program:
* of a cell other than previous * It performs tasks
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* New viruses grow in the * The infected program produces
* infected cell itself * virus programs
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* Infected cells aren’t infected * Program are infected only once
* more than once by the same cell* by most programs
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* An infected organism may not * The infected program can work
* exhibit symptoms for a while * without error for a long time
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* Not all cells with which the * Program can be made immune
* virus contact are infected * against certain viruses
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* Viruses can mutate and thus * Virus program can modify
* cannot be clearly told apart * themselves & possibly escape
