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WorksheetsSMPS
Total questions: 10
Worksheet time: 5mins
SMPS
Storage device
Input device
Output device
Internal hardware component
SMPS stand for?
Safe mode power supply
Save mode power supply
Switched mode power supply
Secure mode power supply
Which answer from the following list is a major advantage of switched mode power supplies over series regulated supplies?
Switched mode supplies create smaller amplitude ripple waveforms than series regulators.
Switched mode supplies dissipate less power in the control element than series regulators.
Switched mode supplies provide better regulation at low power than series regulators.
Switched mode supplies work digitally, so are more efficient than series regulators.
Which answer from the following list is a disadvantage of switched mode power supplies compared with series regulated supplies?
Switched mode supplies are less suitable for high power applications.
Switched mode supplies are more expensive to implement than series regulated supplies.
It is more difficult to prevent high frequency electrical interference in switched mode supplies.
Over voltage protection is not possible in switched mode power supplies.
High frequency transformers are used for output voltage isolation and scaling in the following type of power supplies:-
a.Switched mode power supplies
b.Linear power supplies
c.Hybrid power supplies
d.Both (a) and (c)
Which among the following power supplies will be most energy-efficient if operated under wide input voltage variation and at full load:
Linear power supply
Switched mode power supply
Switched mode followed by linear power supply
Linear followed by switched mode power supply
'Power good' signal line indicates:
Voltage at ps-on line good
Voltage at pw-ok line is good
All voltage levels are good
Voltage at pw-ok line is not good
SATA stands for:
Serial Alternate Technology Attachment,
Super Advanced Technology Attachment,
Serial Advanced Technology Attachment,
Super Alternate Technology Attachment,
Disadvantage of SATA is:
Hot Swapping
Speed
Length
Incompatibility with previous OS
ATX 4 pin power supply connector provides:
+12v
-12v
+5v
-5v
