By Pawan K. Bhardwaj
A+, Network+, and protection+ certifications are well-known in the course of the because the usual for proving foundation-level IT ability units. A+, community+ and defense+ assessments in a Nutshell offers precisely what skilled execs have to cross one or all of those CompTIA certification tests. it is an all-in-one overview source that boils down very important innovations and methods and offers the knowledge in an accessable structure. furthermore, examine notes and perform sections support construct wisdom and get ready readers for the unforeseen. together with assurance of the A+ 2006 tests, this can be the only e-book that may stack the deck on your want.
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Extra info for A+, Network+, Security+ Exams in a Nutshell
The refresh rate, or vertical scan frequency, specifies how many times in one second the scanning beam can create an image on the screen. The refresh rate for most monitors varies from 60 to 85 Hz. LCD monitor LCD monitors are used in desktop computers as well as laptops. ” Personal Computer Components | 33 A+ Essentials Study Guide Digital Video Interface (DVI) DVI is a digital video technology that is different from the analog VGA technologies. DVI connectors look like the standard D-sub connectors but actually are different in pin configurations.
If this is the only drive connected to the interface, it must be set as Master. 2. Remove the drive bay from the computer case, if required. 3. Install the drive in the drive bay. 4. Reinstall the drive bay in case you have removed it. 5. Connect the power supply connector with correct orientation. 6. Select an appropriate connector from the ribbon cable. Identify its first pin (Pin 1) on the ribbon cable, which is usually a red-colored wire on one edge. Pin 1 or the red-colored wire is held close to the power supply connector.
A drive meant for a particular technology may not support burning on other types of DVD discs. Tape drives. Tape drives are the traditional type of removable storage media used for taking data backups. Tape drives can be internal or external devices and can be digital or analog. The capacity of tape drives is much more than the hard disks. Flash memory. Flash memory, which was at one time used as the main memory for computers, is still used for booting devices such as network routers and switches.
A+, Network+, Security+ Exams in a Nutshell by Pawan K. Bhardwaj