CTS 155 CH10 – Flashcards
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A system installation checklist is ___.
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a tool for support specialists
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The footprint of a desktop computer case is___.
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the width times the length of the case
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Which of these computer cases has the largest footprint?
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Desktop ATX case
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A user's forearms should extend___ to a keyboard.
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down slightly
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The height of a keyboard from the floor should normally be ___.
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26 to 28 inches
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The monitor connected to a computer system should be located so a user does not have to look____.
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up slightly
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Designing computer systems and laying out workspaces to minimize health problems and maximize worker safely, productivity, and comfort is called____.
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ergonomics
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One primary cause of eyestrain is a display screen that___.
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reflects light
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The relationship between carpal tunnel syndrome and repetitive strain injuries is summarized by which of the following sentences?
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all carpal tunnel injuries are repetitive strain injuries
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A device that regulates the electrical power on a circuit into which a computer will be connected is a(n)____.
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power conditioner
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The purpose of a UPS backup battery is to permit a computer system to___.
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shut down normally
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An uninterruptible power supply contains a___.
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battery
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A display screen should be positioned so that it____.
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is at a 90 degree angle to the light source
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Which of the following is least likely to cause a fire in a computer system?
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RAM memory
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The most effective fire extinguisher for computer equipment is____.
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Halon gas or a substitute
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A site management notebook is especially useful in which of these situations?
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multiple systems installed in an office or training facility
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A tool used by computer installers to remove the case from a computer is a ____.
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nut driver
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A checmical used by support speicalist to clean many computer components is____.
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isopropyl alcohol
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Which type of cleaner is generally not recommended for use on laptop display screens?
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isopropyl alcohol
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Before a support specialist installs an application software package, he or she should ___.
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close all open programs
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Which of these is not a common physical access control used in computer facilities?
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Internet firewall
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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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business interruption insurance
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Recommended preventive maintenance for a computer printer often includes___.
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vacuuming printer dust inside the case
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Dirt on computer keyboards can be cleaned with____.
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isopropyl alcohol
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x
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eyeglass cleaner, isopropyl alcohol
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A computer peripheral and software that adapt a computer system so that users with various physical limitations can be more productive
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Assistive device
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A computer hardware device that can uniquely identify a user through analysis of eye patterns, hand geometry, fingerprints, or voice and signature recognition
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Biometric reader
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A type of business insurance policy that helps offset the cost of returning an organization to normal operation after an unforeseen event, such as a natural disaster or accident
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Business interruption insurance
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A software installation option that lets the installer select which components and features to install; also called an expert or special installation
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Custom installation
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A document that describes various activities that will occur if a computer facility experiences a temporary disruption of service; disaster plans often address such events as fires, earthquakes, power outages, water damage, and sabotage
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Disaster/contingency plan
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Media, such as CDs, DVDs, and Internet downloads, that contain the original copies of operating system, network, or application software
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Distribution media
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A measure of the number of hours (per week or month) that a computer system is unavailable for use because of power failures or other problems
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Downtime
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A study by an engineering firm to help identify the potential for damage to computer equipment and facilities due to natural disasters or accidents
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Engineering inspection
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The study of how to design computer systems (both hardware and software) and lay out workspaces to minimize health problems and maximize worker safety, productivity, comfort, and job satisfaction
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Ergonomics
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A software installation option that installs only the most frequently used functions and features as determined by the manufacturer; also called a typical or common installation
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Express installation
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A procedure to copy one or more files from backup media to the original or a replacement disk when data or programs have been erased or destroyed; the opposite of a media backup operation
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File restoration
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The amount of desktop space a system unit occupies; measured in square inches (length of case × width of case)
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Footprint
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A software installation option that installs all program functions and features; usually requires the most disk space of any installation type; also called a maximum or complete installation
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Full installation
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The process of copying files and folders of software and data from a PC's hard disk onto a separate medium to preserve them in case the original is damaged; media backups are commonly written on magnetic disks or tapes, or on optical media
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Media backups
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A software installation option that installs the fewest functions and features possible to minimize the system resources required to run the software; also called a notebook or space-saver installation
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Minimal installation
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An electrical device installed between a computer and its power source that draws in electrical power; makes sure that the frequency, voltage, and waveform are within acceptable specifications; and then outputs clean power to the computer system
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Power conditioner
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Tools and procedures used to reduce the likelihood of computer component failure and expensive repair costs; preventive maintenance steps focus on cleaning and adjusting equipment to prolong its useful life and enhance operational efficiency
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Preventive maintenance
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A physical problem that results from continuous use of joints in a limited range of motion; symptoms include swelling, numbness, tingling, and stiffness of joints
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Repetitive strain injury
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The use of strategies and tools to reduce the threat to an organization from uncontrollable disasters and to help the organization recover from a disaster, with minimal financial impact or customer service loss
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Risk management
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A binder that consolidates important information about a computer system's hardware, operating system, network, and application software configurations, and facilities management information in one location; contains information needed to upgrade, maintain, restore, diagnose, or repair the system
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Site management notebook
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A power strip that includes a protective circuit to help prevent damage to computer equipment due to electrical power surges and spikes
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Surge protector (surge suppressor)
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An electrical device that includes power conditioning circuits and a battery backup to supply electricity during power outages of short duration
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Uninterruptible power supply (UPS)
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A measure of the number of hours when a computer system is operational; compare to downtime
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Uptime
