By Michael Pastore
The single classroom-based built-in research procedure for pro certification has been totally redesigned throughout--find out not just what to review, yet tips to research. You’ll get a hundred% whole assurance of all ambitions for the A+ examination, 1000s of perform examination questions, and hands-on routines. The CD-ROM positive factors complete perform examination software program with interactive tutorials and lab simulations, plus an adaptive attempt engine.
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Extra resources for A+ Certification Study Guide, Fifth Edition (Certification Press)
It is important to note that the P8 and P9 (AT system) connectors look almost identical. Although each will attach to the system board only one way, it is possible to place them beside each other the wrong way. When attaching them to the system board, make sure the black wires of the connectors are together. The ATX (P1) power supply connector for the ATX system board offers more safety—it is a 1-piece, 20-pin keyed connector. The P8 and P9 connectors are attached to the system board with the black wires together.
They can produce around 16 million different colors but can display only up to 256 different colors at a time. This color setting is often called 16-bit high color. VGA monitors have a maximum resolution of 720×400 in text mode and 640×480 in graphics mode. vp Wednesday, September 17, 2003 2:37:58 PM Color profile: Generic CMYK printer profile Composite Default screen 18 Chapter 1: CertPrs8 / A+ Certification Study Guide / Pastore / 222766-4 / Chapter 1 Identifying, Adding, and Removing System Components Super VGA (SVGA) monitors introduce yet another improvement: they also use analog input and can provide resolutions as high as 1280×1024.
However, these are no longer considered standard computer equipment, so you shouldn’t expect to see questions about them on the A+ tests. 88MB (extra high density) of information. 44MB. Floppy drives are limited in the types of disks they can access. 5-inch disk, and vice versa. A 720KB drive can read only 720KB disks. 5-inch disk densities. Hard Drives Hard drives store data in a similar fashion to floppy drives, but they typically are not removable and have a different physical structure (see Figure 1-6).
A+ Certification Study Guide, Fifth Edition (Certification Press) by Michael Pastore