file manager

service pack

image viewer

a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission

copies itself repeatedly using up system resources and possibly shutting the system down

saves any open documents and programs to a hard disk before removing power from the computer

hides within or looks like a legitimate program such as a screen saver

an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once

a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission

copies itself repeatedly using up system resources and possibly shutting the system down

hides within or looks like a legitimate program such as a screen saver

saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state

an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once

copies itself repeatedly using up system resources and possibly shutting the system down

saves any open documents and programs to a hard disk before removing power from the computer

hides within or looks like a legitimate program such as a screen saver

saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state

an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once

potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission

saves any open documents and programs to a hard disk before removing power from the computer

hides within or looks like a legitimate program such as a screen saver

saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state

an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once

a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission

copies itself repeatedly using up system resources and possibly shutting the system down

saves any open documents and programs to a hard disk before removing power from the computer

hides within or looks like a legitimate program such as a screen saver

saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state

Malware

Application Program

Firmware

Updating system information on network

It helps in routing

It take inputs from keywords and other devices

1024 Bytes

1024 Giga Bits

1024 Bits

Utility Software

Application Software

Firmware Software