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Midterm Quiz 4
Terms in this set (33)
The pressure of the electrons in a wire is measured in units called _______________.
Which unit is used to measure current?
Which unit is used to express the number of amps and volts needed by a particular device to function?
Which unit is used to measure resistance?
What type of voltage does a PC use?
In an IEC-320 plug, which wire carries electrical voltage?
Which type of wire carries no voltage?
A coworker is taking a computer overseas and asks you what concerns he should have. What do you tell him?
Make sure he switches the power supply to 230AC.
A surge suppressor should have a rating of at least _______________.
How should an electronic device be protected during an electrical storm?
unplug the device
Modern motherboards use a 20- or 24-pin _______________.
The standard modern power supply provides _______________ volts of power
3.3, 5.0, and 12.0
Which connector is the most common type of connector used for devices that require 5 V or 12 V of power?
Modern power supplies have multiple _______________.
What type of power connector is L-shaped?
Empty expansion bays must be covered by a _______________ to maintain proper airflow inside the case.
A PC does not work. What should you check first?
Whether the AC plug is plugged in
How many tiny read/write heads service each platter in a traditional hard disk drive (HDD)?
Which unit measures hard drive spindle speed?
Revolutions per minute (RPM)
_______________ technology is commonly used in desktop and laptop hard drives, memory cards, cameras, USB thumb drives, and other handheld devices.
How many PATA drives—including hard drives, optical drives, and tape drives—can be connected to a single ATA controller?
The most important advance in SATA involves _______________.
Which version of SATA ties capable drives directly into the PCI Express bus on motherboards?
Which drive technology rules the roost the server market?
Small computer system interface (SCSI)
Which term refers to the mirroring technique in which each drive has its own controller?
_______________ (without parity) means spreading the data among multiple (at least two) drives.
Disk mirroring/duplexing is also known as _______________.
What is the minimum number of drives needed to implement RAID 5?
What is the minimum number of drives needed to implement RAID 6?
How many functional failures can RAID 10 withstand and remain functional?
up to two
What tool can you use in Windows to configure and manage hard drives and RAID levels?
The Disk Management program in Windows Server versions can configure drives for _______________, and it works with PATA or SATA
RAID 0, 1, or 5
You are installing two PATA drives. How should you set the jumpers?
Set one to master and the other to slave
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