Which of the following can measure several characteristics of electricity in a variety of devices?
IT 121 CH1 & CH2a
| Question | Answer |
|---|---|
| Which general-purpose tool can measure characteristics of electricity in a variety of devices? | Multi-meter |
| T/F When disassembling a computer, it’s okay to stack circuit boards on top of each other as long as you follow ESD protection rules | False |
Which unit of electricity measures is used to measure the power consumption of a device?
kilowatt-hour
What controls power to the motherboard?
Power for the processor comes from a device called the voltage regulator module (VRM), which is built into most modern motherboards. This device senses the CPU voltage requirements (usually via sense pins on the processor) and calibrates itself to provide the proper voltage to run the CPU.
What tool can help discover and report computer errors?
POST Diagnostic Card
What connector controls the power light and indicates whether the PC is off or on?
PLED (Power LED) – The LED power light, which indicates when the computer is on, off, or in Standby. PWRSW (Power SW) – Controls the power button that allows you to turn on and off the computer.
What two devices in a computer should be considered black boxes?
What two devices in a computer should be considered “black boxes”, and should never be opened, due to risks involving charged capacitors? a. power supply and monitor 27.
What are two resources that may be useful in disassembling a laptop computer group of answer choices?
The user manual and the service manual are two resources that are useful in terms of disassembling the laptop computer.
What is the most used rail on a power supply?
The 5-volt rail is used by most of the drives, along with the motherboard and other accessories. The most important rail is, by far, the 12 volt rail. It has the lion’s share of the wattage, usually accounting for 75% or more of the power output of the PSU.
What are two different ways by which a laptop could utilize?
Tethering and hotspot are the two different ways by which a laptop could utilize the cellular network connection of a mobile device.
What are the two most common form factors used today for computer cases?
version. The most common form factors used today are Advanced Technology Extended (ATX), micro ATX, and ITX. The form factors differ in size and configuration of the components on the motherboard.
What acronym is another name for static electricity which can damage chips and destroy motherboards group of answer choices?
Question: What acronym is another name for static electricity, which can damage chips and destroy motherboards? EMI CRT LCD ESD What unit is used to measure the frequency of memory.
What connector has 4 pins is used for older?
The correct answer to the following question will be “Molex connector”. Explanation: The Molex connector can be used for power connections on some kind of device for just a disk drive as well as many other electronic devices including CD-ROMs, display chips, etc.
What connector has 4 pins?
The ATX 4-pin power supply connector is a standard motherboard power connector used to provide +12 VDC to the processor voltage regulator.
What type of connector is used for internal hard drives and has 40 pins?
SATA connector
How do you count pins on a connector?
Column count is simply starting at the bottom of the row on the right (female) on the left (male) and count up to the top. You then pick up the count at the bottom of the next row to the left/right and count to the top again.
What are the types of connectors?
Types of Connectors
- Box-to-box or input/output.
- Wire-to-board.
- Chip-to-package.
- Package-to-board.
- PC board-to-board.
Why are connectors called male and female?
The assignment is a direct analogy with genitalia and sexual intercourse, the part bearing one or more protrusions or which fits inside the other being designated male, in contrast to the part containing the corresponding indentations, or fitting outside the other, being designated female.
What are male and female connectors?
A male connector is commonly referred to as a plug and has a solid pin for a center conductor. A female connector is commonly referred to as a jack and has a center conductor with a hole in it to accept the male pin.
How can you tell a male from a female connector?
The difference between Male and Female connectors is simple. Just like people the Male has a sticking out “pin” which he plugs into something. The Females on the other hand have a “hole” in which to receive something, usually a “pin”!