cs118 ch10

- Recommended preventive maintenance for a computer printer often includes ____.

vacuuming printer dust inside the case

- Dust buildup inside a computer case can be managed effectively by ____.

vacuuming the inside of the case

- When an HVAC technician considers the air conditioning requirements for a computer facility, the technician calculates the ____.

wattage

- The best location for a peripheral, such as a printer, that a user accesses frequently is ____.

within arm's reach of the user in a normal working position

- In a computer facility, a UPS is a(n) ____.

uninterruptible power supply

- The monitor connected to a computer system should be located so a user does not have to look ____.

up slightly

- The most effective fire extinguisher for computer equipment is ____.

Halon gas or a substitute

- The height of a keyboard from the floor should normally be ____.

26 to 28 inches

- The relationship between carpal tunnel syndrome and repetitive strain injuries is summarized by which of the following sentences?

All carpal tunnel injuries are repetitive strain injuries.

- Which of these is an ergonomic device?

All of these

- Which of these is not normally a network installation task on a new office PC?

Back up network server media

- Most operating systems are now distributed on ____.

CDs or DVDs

- Which of these application software installation options is likely to ask the most questions of the installer and require the greatest expertise?

Custom

- Which of these computer cases has the largest footprint?

Desktop ATX case

- Which of these application software installation options installs the most commonly used set of features and capabilities?

Express

- A PC Software Configuration Sheet includes information about the operating system and version installed on a PC, but need not include information about application software because versions change frequently.

False

- A disaster/contingency plan describes actions a support specialist will take when a user accidentally deletes important files.

False

- A display screen should be positioned so the user directly faces a light source in order to avoid glare on the screen.

False

- A multimeter is a software utility that can detect whether multiple operating systems are installed on a PC.

False

- A support specialist who installs an application software package normally edits the system Registry and configuration files before the software will operate correctly.

False

- According to the chapter, most computer security challenges are due to physical threats from an organization's employees.

False

- Americans with Disabilities Act (ADA) and Occupational Safety and Health Administration (OSHA) regulations are the responsibility of safety engineers and not a concern of computer system installers.

False

- An express software installation option and a minimal installation are two terms for the same option.

False

- An uninterruptible power supply (UPS) is an electrical device that guarantees a computer system can operate in critical situations for an extended period when no electrical power is available.

False

- Any type of fire extinguisher can be safely used on a fire in a computer device.

False

- Downtime is a count of the number of times a computer system reboots each week or month.

False

- During the installation of an application software package, a warning that antivirus and firewall programs should be disabled during installation should be ignored due to security concerns.

False

- Electronic security threats to a computer facility are primarily due to attempts by unauthorized users to gain physical access to the site.

False

- Every system installation always follows the steps listed in the installation checklists provided in the text.

False

- Fluorescent lights can cause flicker on the screen of both older CRT monitors and newer LCD flat-panel displays.

False

- Frequent stretch breaks and exercises during breaks are controversial and overrated solutions to worker complaints and injuries.

False

- Installation of an operating system is a common task today for a support specialist during a system installation.

False

- Installation of office computers is now standardized so there are few installation issues that are likely to confront support specialists.

False

- Most computer hardware components function well, even if the quality of electrical power is very poor.

False

- Most home computer systems operate best in specially air conditioned spaces.

False

- Obsolete computer components and used supplies are normally discarded with other office trash.

False

- Poorly designed office chairs are a principal cause of eyestrain.

False

- Repetitive strain and carpal tunnel syndrome are two names for the same injury.

False

- The electrical code in most areas recommends the use of power strips as electrical extension cords for computer equipment.

False

- The purpose of an engineering inspection is to prevent damage than can occur due to a disaster.

False

- The recommended height of a laptop keyboard is not the same as the recommended height of a desktop keyboard because laptops are often used outside an office environment.

False

- When a computer is plugged into a two-pronged outlet, an adapter that converts from a three-pronged plug to a two-pronged outlet is recommended.

False

- When sitting at a keyboard, the keyboard should be 2 to 3 inches higher than the user's elbows.

False

- Wrist and finger pain is usually the result of a mouse that needs maintenance.

False

- Which of these application software installation options often requires the most disk space on a user's hard drive?

Full

- Which of these is not a common physical access control used in computer facilities?

Internet firewall

- A site management notebook is especially useful in which of these situations?

Multiple systems installed in an office or training facility

- Which of the following is least likely to cause a fire in a computer system?

RAM memory

- Compared to other parts, the nuts and bolts in a computer system tend to be ____.

small

- A biometric reader is a hardware device that can uniquely identify a user's eye patterns, hand geometry, voice, or signature.

True

- A common piece of information in a site management notebook is warranty and repair information.

True

- A common problem with media backups of user data is failure to test file restoration procedures.

True

- A computer case that is placed on the floor may require that a user bend over frequently to access media drives and the case may accidentally get kicked.

True

- A disaster/contingency plan is only effective if workers are trained to use it.

True

- A display screen should be positioned so it is viewable by looking straight ahead or slightly down.

True

- A keyboard placed on a regular height office desk (30") can cause user discomfort because the angle of the user's wrists at the keyboard is unnatural.

True

- A media backup procedure copies files and folders of software and data from a PC onto a separate medium in case the original media is damaged or accidentally erased.

True

- A parts-picker is included in many tool kits designed for computer use in order to pick up small screws, nuts, bolts, and other small parts.

True

- A power conditioner regulates the electric supply to a computer to ensure the voltage, frequency, and waveforms stay within acceptable limits.

True

- An assistive device is a computer peripheral or software that adapts a system so users with various physical limitations can be more productive.

True

- An uninterruptible power supply (UPS) is an electrical device that includes power conditioning circuits as well as a battery backup for use when power is interrupted.

True

- Application software is normally distributed on CDs or DVDs, or downloaded from the Internet.

True

- Because there are no user-serviceable components inside a display screen, preventive maintenance is limited to external cleaning and adjustment.

True

- Common network installation activities include installing client software on a PC, as well as administrative tasks such as user accounts and access rights.

True

- Computer equipment is often sensitive to devices such as motors or generators that are plugged into the same electrical circuit.

True

- Hardware upgrades, such as additional memory, are often installed at the time a system is installed at a user's site.

True

- Information in a site management notebook should be able to answer questions such as, "Which software is legally licensed to be installed and used on this system?"

True

- Most preventive maintenance on printers involves removing paper dust particles and ink or toner spills.

True

- Preventive maintenance is the use of tools and procedures to reduce the likelihood of computer component failure and expensive repairs.

True

- Software utilities are available to prepare information sheets such as those in the chapter to include in a site management notebook.

True

- Support specialists often add to or delete from a site installation checklist as user and support needs change over time.

True

- System installation usually takes less time for a user support specialist than for an end user.

True

- The footprint of a computer case is its length times its width, measured in square inches.

True

- The highest quality power strips include protective circuits to minimize damage to computer equipment due to power surges or spikes.

True

- The purpose of a waterfall seat design is to take pressure off the back of a user's legs and promote better circulation.

True

- The purpose of business interruption insurance is to help offset the cost of returning an organization to normal operation after an unforeseen event.

True

- To calculate the air conditioning requirements for computer equipment, an HVAC specialist considers the heat generated by both the computer equipment and end users.

True

- When sitting at a keyboard, a user's forearms should extend to the keyboard in a relatively straight line, or tilted slightly downward.

True

- Training opportunities are normally reviewed with a user during ____.

an installation wrap-up

- The purpose of a preinstallation site visit is to ____.

anticipate possible installation problems

- An uninterruptible power supply contains a ____.

battery

- Before a support specialist installs an application software package, he or she should ____.

close all open programs

- The footprint of a desktop computer case is ____.

the width times the length of the case

- The number of hours when a computer system is unavailable for use due to a failure is called ____.

downtime

- Fire extinguishers purchased for use around computer equipment should be rated for ____ fires.

electrical

- Designing computer systems and laying out workspaces to minimize health problems and maximize worker safety, productivity, and comfort is called ____.

ergonomics

- A light source that may flicker at the same rate as an older CRT display screen is a(n) ____ bulb.

fluorescent

- A chemical used by support specialists to clean many computer components is ____.

isopropyl alcohol

- Dirt on computer keyboards can be cleaned with ____.

isopropyl alcohol

- Smudges on a laptop display screen can be cleaned periodically with ____.

isopropyl alcohol

- A tool used by computer installers to remove the case from a computer is a ____.

nut driver

- A device that regulates the electrical power on a circuit into which a computer will be connected is a(n) ____.

power conditioner

- The biggest enemy of most printers is ____.

printer paper dust

- An antistatic wrist strap is designed to ____.

reduce the risk of damage to computer components

- One primary cause of eyestrain is a display screen that ____.

reflects light

- The purpose of a UPS backup battery is to permit a computer system to ____.

shut down normally