18.08.2013 Views

upgrading and repairing PCs technicians ... - 400 Bad Request

upgrading and repairing PCs technicians ... - 400 Bad Request

upgrading and repairing PCs technicians ... - 400 Bad Request

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Key Combination Resulting Action<br />

Ctrl+V Pastes.<br />

Shift+Del Deletes selection immediately, without moving the item to<br />

the Recycle Bin.<br />

Alt+Enter Opens the property sheet for the selected object.<br />

To copy a file Press down <strong>and</strong> hold the Ctrl key while you drag the file to<br />

another folder.<br />

To create a shortcut Press down <strong>and</strong> hold Ctrl+Shift while you drag a file to the<br />

desktop or a folder.<br />

St<strong>and</strong>ard Versus Portable<br />

Keyboards<br />

Table 9.4 lists the differences in configuration <strong>and</strong> system setup for<br />

st<strong>and</strong>ard versus portable keyboards.<br />

Table 9.4 St<strong>and</strong>ard <strong>and</strong> Portable Keyboards Compared<br />

Feature St<strong>and</strong>ard Portable<br />

Key size Full-sized keys Full-sized keys on typing keys only;<br />

on entire keyboard directional <strong>and</strong> function keys usually<br />

smaller<br />

Cursor keys Inverted-T layout Inverted-T layout seldom used; makes<br />

st<strong>and</strong>ard “blind” cursor movements difficult<br />

Numeric keypad Separate keys at Embedded into right-h<strong>and</strong> alphanumerics;<br />

right of should disable numlock in BIOS to avoid<br />

directional keys keying errors; might require use of Fn key<br />

to use<br />

Add-on keypad Not needed Popular option for number-intensive uses;<br />

must plug into external port<br />

Keyswitch Types<br />

The most common type of keyswitch is the mechanical type, available<br />

in the following variations:<br />

• Pure mechanical<br />

• Foam element<br />

• Rubber dome<br />

• Membrane<br />

Keyswitch Types 219<br />

Table 9.5 compares user feel, repair, <strong>and</strong> servicing issues for these<br />

keyswitch types.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!