FREE AND STUDY GAMES ABOUT IT 121 CH1 CH2A EXAM

PDF Download FREE AND STUDY GAMES ABOUT IT 121 CH1 & CH2A EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -50 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: T/F An Ethernet port has a connector called an RJ-45 to connect to a network cable

Answer:

True Question 2: Which unit of electricity measures electrical force and 115 is a common value?

Answer:

Volt Question 3: T/F Functions that used to be provided by expansion cards are more often found as on board ports today.

Answer:

True Question 4: Which component probably has a dual-voltage selector switch, and has cables that connect to the motherboard and drives?

Answer:

PSU

Question 5: T/F A system always needs the 4-pin auxiliary power connector, and sometimes needs the P1 connector as well.

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True Question 6: What determines the physical size of a power supply and the placement of screw holes?

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form factor Question 7: Which material is a cooler that sits atop the CPU most likely made of?

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Copper Question 8: What do you call a connector on a motherboard that consists of pins that stick up from the board?

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header Question 9: Which is the most common form factor used today for computer cases, power supplies, and motherboards?

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ATX Question 10: Which power supply connector is the main motherboard power connector on most motherboards today?

Answer:

24 pin

Question 11: Which of the following is true about fans in the computer system?

Answer:

large fans tend to run quieter

Question 12: If you have a PCI Express Version 2 video card, how many pins will the power connector have if the card requires extra power?

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8 Question 13: Which general-purpose tool can measure characteristics of electricity in a variety of devices?

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Multi-meter Question 14: Which of the following is an audio port that connects to an external home theater audio system, providing digital audio output?

Answer:

S/PDIF

Question 15: What type of component holds its charge even after the power is turned off and the device is unplugged?

Answer:

Capacitor

Question 16: Which of the following is true about AC electricity?

Answer:

It travels from a hot line and returns on a neutral line Question 17: Which of the following is a consideration when purchasing a power supply with the correct wattage?

Answer:

the power supply should be rated 30% higher than your needs Question 18: What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched?

Answer:

POST card

Question 19: T/F A tower case conserves space since it can double as a monitor stand.

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False Question 20: If your computer is in a dirty, dusty environment, what tool should you use periodically to prevent overheating?

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compressed air Question 21: Which type of port transmits both digital audio and digital video with a single connector?

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HDMI Question 22: Which technology may require that you purchase a power supply that specifically supports that technology?

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SLI Question 23: T/F A DVI port transmits a video signal and is also called a DB-15 port.

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False Question 24: What is placed between the bottom of the cooler heat sink and the top of the processor that makes an airtight connection between the fan and processor?

Answer:

thermal compound Question 25: What is the result of using a 3-pin fan connector on a 4-pin header on the motherboard?

Answer:

the fan speed cannot be controlled