What are three purposes of a power supply? (Select three.)
A) Converts AC to DC
B) Converts DC to AC
C) Computer cooling
D) Impedance matching
E) CPU liquid cooling
F) Distribute DC to the computer parts
A, C, F
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MC Class______ is used when the user should choose only one option in a group.
a) Selectone. b) Checkbutton. c) Radiobutton. d) None of the above.
The Windows Explorer program can be launched from the Start menu or by double-clicking the ________ icon often displayed on the desktop
A) Control Panel B) Computer C) My Documents D) My Computer
A Windows 7 laptop needed a wireless mini-PCI adapter replaced. Now the laptop cannot get more than one bar of wireless signal strength with only one access point in the area. The three other laptops attach. What is the most likely problem?
A) The antenna connectors were not reattached. B) The adapter is bad. C) The wrong security settings were applied to the wireless NIC. D) The BIOS needs to be flashed.
Which of the following could be described as an attempt at deceiving people into believing something that is false?
A. Shoulder surfing B. Eavesdropping C. Hoax D. Piggybacking