Answer:
It stands for Restriction of Certain Hazardous Substances.
Web search says it is important because,
RoHS compliance dovetails into WEEE by reducing the amount of hazardous chemicals used in electronic manufacture. Put another way, RoHS regulates the hazardous substances used in electrical and electronic equipment, while WEEE regulates the disposal of this same equipment.
Explanation:
Answer:
Secondary storage is non volatile,long term storage .Without secondary storage all programs and data would be lost the moment the computer is switched off .There are three main types of secondary storage in a computer system- 1.solid state storage devices such as USB memory sticks.2.optical storage devices such as CD,DVD ext.3.magnetic storage devices ,such as hard disk drives.
Answer:
Both types of attacks can be devastating.
Explanation:
Attacks Wireless Networks are sometimes considered more serious because they can be attacked from remote locations. One of the more serious attacks would be against commercial airplanes. A wireless hack and system shutdown of a commercial aircraft can be catastrophic, and can all be done wireless. While a Wired Network attack can cause catastrophic events they need to be attacked from within the location of the network which is usually guarded by security personnel as well as system firewalls.
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Computer virus, a software program that is designed to cause damage to the computer system or perform some other
malicious act
