Chapter 2 P.108-117 Flashcards
(T or F) DC alternates direction in which electrons flow. P. 108
F
Classic power supplies used what 3 types of connectors? P.108
Floppy Drive
AT Systems
Standard Peripheral
What is the selector switch on a power supply used for? P. 108
To adjust the voltage level used in the country where the computer is in service.
The P9 and P8 connector plug into a single 12 point receptacle. (T or F) P.109
T
Because the sockets are linear, it is possible to inset the connectors turn 180 degrees, so long as they remain in the same order. (T or F) P.109
F
Standard Peripheral power connector is also called __________. P.110
Molex
Most computers today use some sort of what power connector? P.110
ATX
Floppy drive connectors are also called what? P.111
Berg
+5 VDC is usually carried on what color wire? P.111
Red
The original system ATX power connector had how many pins? P.112
20
VRM stands for what? P.112
Voltage regulator Module
The P4 supplied how many volt leads to their grounds? P. 112
two +12 volt
ATX 12V 2.2 replaced the 75W 6-pin connector with what? P.113
150 8-pin connector
Power supplies that feature a 20 pin connector that snaps together with a separate 4 pin portion for flexibility is….. P.113
20+4 connector
In figure 2.33, why are the first three pins missing? P.115
They correspond to the 3.3V pin, which are not supplied by this connector.
