It’s
actually a computer
program, which is intended to create such
doubts. The first theory of a computer virus was conducted by John von
Neumann in
1949. Since then, a
computer virus is a threat to computer users. Some of the
effects that a
compromise computer is a certain computer programs and
applications, after which there may not be able to use the software. There are also some viruses, which are intended to corrupt some files, which may be important to your
business, etc. Here are some
popular types of computer
viruses.
Macro Viruses
These viruses are usually scripts in common application programs such as Excel and Word to infect other documents. The program is not written in the language of the operating system, but of the application. Macro viruses spread to other parts when running the application. There are many current macro viruses and each is a major threat.
Worms viruses
It is also a program that makes and distributes copies of itself from one disk to another or use of emails to copy and transport mechanism. These can cause serious threats to computer security.
Boot Virus
The hard disk or the boot disk of the computer is affected by this virus, which forms the major part of the computer that stores all the information. One of the best tips on how to prevent computer viruses of this type is to make sure to use the evidence and written records do not remember to start your computer with a floppy drive in unknown.
Virus Resident
Type of that permanently resides in RAM. It is from this memory that breaks the rest of the computer programs are affected. It can be compared with the virus payload as it is directly inserted into the system memory, but only intervenes when an infected file is executed.
