Mock SMPS (Power Supply)

Mock Test: Mock SMPS (Power Supply)

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1.

Standby power provides

+5V

+12V

-5V

+3.3V

2.

Auxiliary power connector of ATX SMPS has ____ pins?

4

6

12

8

3.

"Soft power" on ATX power supplies is designed to

Supply better filtered power for the P4 connector.

Provide +3.3V and +5V to the AUX connector.

Enable software to electronically control the on/off switching of power.

Prevent surges from damaging the motherboard.

4.

What is the reference voltage coming from Orange wire of SMPS

-3V

+3.3v

+5V

+3v

5.

Black wires are for

Power On

-12V

-5V

Ground

6.

A 1200W PSU upgrade will burn out a system currently using a 450W PSU.

True

False

7.

What is the general switching speed of PC SMPS

20Hz to 10KHz

20KHz to 10MHz

5KHz to 1GHz

10MHz to 10GHz

8.

What is reference voltage of mainboard power connector in pin no 8?

+1.8v

+5v

+3.3v

+12v

9.

In an unregulated power supply, if input a.c. voltage increases, the output voltage_____

Current stop flowing

Remains the same

Decreases

Increases

10.

What type of connector is this?

Aux

Molex Power Connector

Auxiliary Power Connector

SATA Power Connector

Motherboard Power Connector

11.

What is the full form of UPS?

Uninterruptible Power Supply

Unregulated Power Supply

Unified Power Supply

Unknown Power Supply

12.

What is the reference voltage coming from Yellow wire of SMPS

+18v

+12v

+3V

+5v

13.

A power supply which has voltage regulation of _______ is unregulated power supply

10 %

5 %

0 %

8%

14.

What is the reference voltage coming from Red wire

+12V

-5V

+3V

+5V

15.

What is the reference voltage coming from Blue wire of SMPS

+12v

-5V

-12v

+5v

16.

What is full form SMPS

Switching Module Power Supply

Store Mode Power Supply

Switched Mode Power Supply

Switch Mode Power Supplyer

17.

How you can measure Watt?

V=IR

Volt + Current

Volt x Resistance

Volt x Amp

18.

ATX SMPS PG stands for_______

Processor Good

Process Good

Power Guard

Power Good

19.

How many pins present in SATA power connector of SMPS?

12

18

24

15

20.

The "Power Good" wire is

Yellow

Gray

Blue

Purple

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