Shared Flashcard Set

Details

A+ Book 4
Maintenance and Troubleshooting
11
Computer Science
Professional
07/11/2013

Additional Computer Science Flashcards

 


 

Cards

Term
Preventative maintenance tasks
Definition
1. scanning for file system errors

2. scanning for virus and malware

3. updating virus and spam definitions and emergency boot disks

4. backing up data and CMOS settings

5. defragmenting hard drives

6. removing unnecessary hard drive files

7. cleaning screens, mice, keyboards, floppy and tape drives, and internal and external surfaces

8. ensure external system fans and venters, internal fans, and heat sinks are functioning and free of dirt and debris.

9. Check power protection devices and all cable connections internal and external
Term
Hardware tools for maintenance
Definition
- Compressed air

- Computer vacuum

- cleaning cloths

- cleaners and chemicals

- cleaning pads

- manufacturer-approved cleaning kit
Term
Software tools for maintenance
Definition
- Auto-update tools

- Firmware updates

- Driver updates

- OS-level tools

- 3rd-party maintenance tools

- Recovery or rescue boot CD
Term
Electrostatic Discharge
Definition
is more problematic in a higher humidity area
Term
Getting an A+ (4:1)
Definition
-Perform preventative maintenance to increase productivity

- Conduct preventative maintenance tasks at scheduled intervals

- standard tools for preventative maintenance include cleaning materials, vacuums, compressed air, and software tools like defrag.exe, chkdsk.exe

- Factors that affect computer lifespan are heat and humidity, ESD, dirty and dust, and incoming power issues
Term
What 2 factors affect the storage life of computer media?
1. Media length
2. Age of facility
3. Temperature
4. Humidity
Definition
Temp and humidity
Term
Multimeter
Definition
Tool that measures:
- Voltage (V)
- Resistance (ohms; Ω)
- Continuity and current (milliamps[mA] and amps [A])
Term
Loopback plugs
Definition
used for testing parallel and serial ports. makes the computer think it is connected to a network and helps prevent error messages
Term
Boot/rescue disk
Definition
helps you manage hard disk issues by booting from a CD
Term
Why would you use an extension magnet?
Definition
to retrieve dropped metal objects
Term
What is the purpose of a security bit?
Definition
to reduce the chance of users opening system cases
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