A Virus can not ________

SOLUTION

• Viruses often perform harmful activity on infected host computers, such as acquisition of hard disk space or central processing unit (CPU) time

• Resident viruses install itself and resides in RAM and overwrite interrupt handling code and when the operating system attempts to access the target file or disk sector, the virus code intercepts the request and redirects the control flow to the replication module, infecting the target, this virus steals the CPU time
• Keystroke logging (keyboard capturing) is the action of recording the keys struck on a keyboard, so that person using the keyboard is unaware that their actions are being monitored
• keyloggers are most often used for the purpose of stealing passwords
• Keylogger viruses are Zeus and SpyEye trojans
• Viruses cannot affect the word length (increase/decrease the address size) of CPU