Answer:
Boot Sector virus is when a virus infects the Boot Sector of a hard disk. A Boot Sector is the initial files necessary to start an OS and other bootable programs. It is typically infected by these viruses when started with infected floppy disks, however the boot virus does not have to be successful to infect your computer. Once infected, the virus tries to infect every other disk.
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An Information System is when key components such as hardware, software, data, and process are combined for collection, processing, and distribution of data. All of these scenarios mentioned on the choices above are considered transactions in an information system. There is an exchange of information that fully satisfies the request of a user and describes what transactions in information systems are. They are good examples of users entering information whether, physically or electronically, as data into computers. This data is then processed, and the database changes adjusted with some being made permanent.
Virus is created by some dishonest people.
Virus iis not made for open source software
Answer:
The strlen() function calculates the length of a given string.The strlen() function is defined in string.h header file.
Explanation:
It doesn’t count null character ‘0’. Syntax: int strlen(const char *str); Parameter: str: It represents the string variable whose length we have to find. Return: This function returns the length of string passed.
