Chapter 5 essentials

spray cleaning products designed for plastics not designed for computers might lack ???????

A monitor cleaner that contains ?????? can destroy the antiglare coating on some monitors

a ??????? ?????? ??? for blowing dust out of crevices can also introduce H2O by freezing if too close to object your cleaning.

use ?????? alcohol for cleaning (not rubbing alcohol, because that has too much water in it).

use an ????? spray designed for computer work areas when cleaning.

a regular vacuum can generate ?????? that can harm equipment.

How do you clean inkjets on a printer?

Laser printers use ????? rather than ink.

On a laser printer, the printer ???? will indicate when it’s getting low on toner. At this point, you may be able to get a bit of extra life out of the cartridge by doing what?

????? is the rate at which electrical charge flows and is measure in amps.

Humans notice ESD only when it reaches ?????? volts

Some experts say ????? volts is enough to do some damage to computer componets

Synthetic materials such as ????? generate much more ESD than natural fibers

Name natural fibers like ?????? that don't generate much ESD

The ideal humidity for working on PC hardware is ?

To lower risk of ESD try not to work in a carpeted area; ?????? is preferred.

To ground yourself, wear an antistatic wrist strap as you work. At your end of the strap is a Velcro bracelet containing a ????? that fits against your skin

Electromagnetic interference (EMI) is caused when electricity passing nearby generates a magnetic field that interferes with the operation of a cable or device. Another name for this is ???????.

A ???, sometimes called a ????????, is insufficient voltage.

A surge suppressor, also called a surge protector, is basically an extension cord, but inside it is a ??????, which can absorb any excess power during a surge or spike, preventing it from reaching the plugged-in devices.

Besides electricity, there are several other threats to a PC’s health and safety. what are they?

Windows has a Power Options group in the ????? window

???? Backs up only what’s changed since the last full backup.

????? Backs up only what’s changed since the last backup of any kind (not just full).

Drive Recovery - If a problem occurred because of a logical error on the hard disk, or a virus or other software problem that caused the drive’s ?????? to be damaged, you may be able to recover some of the files off it by using a special disk-recovery program.

In a graphical OS like Windows, Mac OS, or Linux, you manage files via a window-based system where each file and folder is represented by an icon. In Windows, this interface is called ??????; in Mac OS, it’s called ?????.

The path to a file is the list of folders you travel through to get there, starting with the drive letter. The names are separated by ????? on a Windows system or ????? on Mac OS or Linux systems.