A or b i think hope it helps good luck and i hope it helps
Noise usually means static.
Answer:
Explanation:
Click the File tab.
Click Print, or press the control p keyboard command.
On the Print screen, select the printer and other settings.
Click Print.
Researches at symantec have uncovered a version of the stuxnet computer virus that was used to attack irans nuclear program in November.
Answer:
System software is software on a computer that is designed to control and work with computer hardware. The two main types of system software are the operating system(Windows,Linux,Mac OS) and the software installed with the operating system, often called utility software (Anti virus, Disk formatting, Computer language translators) . In some cases, the operating system and utility software depend on each other to function properly.
Some system software is used directly by users and other system software works in the background. System software can allow users to interact directly with hardware functionality, like the Device Manager and many of the utilities found in the Control Panel.
