SO 1 AC1& 2
Question 1
Use true or false to answer the following questions
1.1. Overheating is when the computer is turned on and gets to the desktop so that the user will be in a position to operate it.
1.2. Dust can block free circulation of air on the computer air vents exposing it to overheating.
1.3. When arranging computers in the lab they must be placed on the floor so as to allow dust to get into the system.
1.4. Computers must be cleaned regularly to allow for free circulation of air and reduce the effects of dust, overheating that causes computer hardware maintenance
1.5. Ventilation is when the technician blocks all the air vents on the computer to reduce the effects of dust on computer components
Question 2
Complete the following questions with the given answers
Brownout, blackout, electrical spike, Overheating & Dust
2.1. ………………………………sometimes also called sag, is a "dip" in the voltage level of the electrical line. When it occurs, the voltage drops from its normal level to a lower voltage and then returns; in some ways, it's like the opposite of a surge.
2.2. …………………………………is a temporary, very short (less than a second), increase in the electrical supply voltage (or current or both).
2.3. …………………………… Is the total loss of power?
2.4. ………………………………consists of particles in the atmosphere that come from various sources such as soil dust lifted by weather (an Aeolian process), volcanic eruptions, and pollution
2.5. The Dangers of an ……………………………….. Computer are, the system will run noticeably run slower and / or you may even damage the motherboard, CPU, graphics card, and or other

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