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HS Tech Ch. 5 Review
| Term | Definition |
|---|---|
| Rubbing Alcohol | a liquid cleaner that is safe for most computer parts because it dries very quickly |
| Compressed Air | air can that can 'spray' out strong sterasm of air that can be used to remove dust and dirt particles from the hard-to-reach places in your electronics |
| Anti-Static Cleaning Cloth | cloth made of a special material that will not gather a static charge when rubbed against a surface |
| Electrostatic discharge | an electrical shock given by transferring built-up static electricity from your body to something you touch |
| Power Strip | a power strip splits an electrical source into multiple outlets |
| Surge Protector | a surge protector keeps electrical spikes in power lines from damaging electronic components |
| UPS | An Uninterruptable Power Supply (UPS) provides a safe, steady, battery backup in case of power failure |
| Always do what when cleaning electronics? | Power them off |
| Use this method of cleaning when cleaning your computer case | Dry cleaning methods only |
| Security Software | a class of software designed to protect and secure your computer (like an anti-virus software) |
| Patches and Fixes | a collection for free updated files that are meant to fix unintended program errors |
| Backup copies | copies of important software or data files kept in a variety of locations |
| Business Continuity | a procedure for keeping a business running if disaster strikes |
| External Hard Drive | a hard drive that is located outside your computer and typically connects via USB |
| Online Storage Services | Services which offer large amounts of online Storage, usually for monthly or yearly fee |
| Automatic Backups | backups of critical files that are done on a regular, automatic basis |
| Three programs that you should make a point to update on a regular basis: | operating system, web browser, and security software |
| ______ are constantly changing as criminals figure out new security holes in operating system, browsers, and applications. | Security software (or viruses and malware programs on the Internet) |
| Diagnose | the process of identifying the general area, sub-system, type of components, or software programs that are most likely to contain the error |
| Troubleshoot | a step-by-step process that you can use to examine possible causes and identity the exact problem |
| Solution | the fix that solved the computer problem |
| Root cause | the main cause of the problem |
| Hardware problem | a problem that is caused by faulty or misconfigured hardware on the computer or device |
| Software Problem | a problem that is caused by faulty, outdated, or misconfigured software on the computer or device |
| Bottom-up Troubleshooting | a process where you look at the hardware components first, then move up toward the software components until you find the problem |
| Top-Down Troubleshooting | a process where you start with the topmost software components and then work your way down to the lowest hardware components until you find the problem |
| Divide-And-Conquer | a troubleshooting method where you start with tests to try to determined if the issue is found in the top-level or bottom-level of a computer |
| Follow-The-Path | a troubleshooting method where you focus on the movement of data within the computer system to find the problem |
| Spot-The-Differences | a troubleshooting method where you compare a working and not working computer to try to find the difference that is causing the problem |
| Hypothesis | an idea, guess or theory of where the problem might be located on a computer or device |
| Document | a written record of the cause of the problem along with troubleshooting steps and the eventual solution |
| Questions to ask when identifying a possible hardware problem: | Do I hear any unusual noises?; Do I sense any unusual smells?; Do any of the hardware components feel unusually hot?; Do I see any unusual cracks, chips, or obviously broken pieces of hardware? |
| Questions to ask when identifying a possible software problem: | does the problem only happen with one application or when I execute one particular command?; Did the problem start happening after I installed new software or updating existing software?; Can I fix the problem by restarting the computer? |
Created by:
Piosha_10