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anticipate possible installation problems |
The purpose of preinstallation site visit is to _. |
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tool for support specialists |
A system installation checklist is ____. |
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the width times the length of the case |
The footprint of a desktop computer case is __. |
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Desktop ATX case |
Which of these computer cases has the largest footprint? |
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down slightly |
A user’s forearms should extend ____ to a keyboard. |
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26 to 28 inches |
The height of a keyboard from the floor should normally be ____. |
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within arm’s reach of the user in a normal working position |
The best location for a peripheral, such as a printer, that a user accesses frequently is ____. |
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up slightly |
The monitor connected to a computer system should be located so a user does not have to look ____. |
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ergonomics |
Designing computer systems and laying out workspaces to minimize health problems and maximize worker safety, productivity, and comfort is called ____. |
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reflects light |
One primary cause of eyestrain is a display screen that ____. |
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All carpal tunnel injuries are repetitive strain injuries. |
The relationship between carpal tunnel syndrome and repetitive strain injuries is summarized by which of the following sentences? |
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a. Adjustable chair, b. Footrest, |
Which of these is an ergonomic device? |
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less than 15 amps |
If a computer is plugged into a 15-amp circuit, the total amperage of all devices plugged into the circuit should be ____. |
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power conditioner |
A device that regulates the electrical power on a circuit into which a computer will be connected is a(n) ____. |
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downtime |
The number of hours when a computer system is unavailable for use due to a failure is called ____. |
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shut down normally |
The purpose of a UPS backup battery is to permit a computer system to ____. |
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uninterruptible power supply |
In a computer facility, a UPS is a(n) ____. |
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a. battery |
An uninterruptible power supply contains a ____. |
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wattage |
When an HVAC technician considers the air conditioning requirements for a computer facility, the technician calculates the ____. |
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is at a 90-degree angle to the light source |
A display screen should be positioned so that it ____. |
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fluorescent |
A light source that may flicker at the same rate as an older CRT display screen is a(n) ____ bulb. |
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RAM memory |
Which of the following is least likely to cause a fire in a computer system? |
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Halon gas or a substitute |
The most effective fire extinguisher for computer equipment is ____. |
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electrical |
Fire extinguishers purchased for use around computer equipment should be rated for ____ fires. |
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Multiple systems installed in an office or training facility |
A site management notebook is especially useful in which of these situations? |
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nut driver |
A tool used by computer installers to remove the case from a computer is a ____. |
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isopropyl alcohol |
A chemical used by support specialists to clean many computer components is ____. |
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small |
Compared to other parts, the nuts and bolts in a computer system tend to be ____. |
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Isopropyl alcohol |
Which type of cleaner is generally not recommended for use on laptop display screens? |
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reduce the risk of damage to computer components |
An antistatic wrist strap is designed to ____. |
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CDs or DVDs |
Most operating systems are now distributed on ____. |
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Back up network server media |
Which of these is not normally a network installation task on a new office PC? |
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after the operating system is installed |
Utility software, such as virus checker, screen saver, and security software, is usually installed on a computer system immediately ____. |
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close all open programs |
Before a support specialist installs an application software package, he or she should ____. |
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Full |
Which of these application software installation options often requires the most disk space on a user’s hard drive? |
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Custom |
Which of these application software installation options is likely to ask the most questions of the installer and require the greatest expertise? |
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Express |
Which of these application software installation options installs the most commonly used set of features and capabilities? |
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an installation wrap-up |
Training opportunities are normally reviewed with a user during ____. |
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Internet firewall |
Which of these is not a common physical access control used in computer facilities? |
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business interruption insurance |
A disaster management tool that can provide an organization with additional financial resources at the time an unforeseen event occurs is ____. |
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vacuuming the inside of the case |
Dust buildup inside a computer case can be managed effectively by ____. |
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vacuuming printer dust inside the case |
Recommended preventive maintenance for a computer printer often includes ____. |
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isopropyl alcohol |
Dirt on computer keyboards can be cleaned with ____. |
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printer paper dust |
The biggest enemy of most printers is ____. |
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eyeglass cleaner |
Smudges on a laptop display screen can be cleaned periodically with ____. |
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