A+ Complete Study Guide, Third Edition (220-301 and 220-302) by David Groth PDF

By David Groth

ISBN-10: 0782142435

ISBN-13: 9780782142433

Here is the booklet you want to organize for CompTIA's A+ examination. the main up to date content material had to move the A+ center examination and the most recent insurance of reminiscence, bus, peripherals, and instant applied sciences for the working platforms examination. This examine advisor offers: * complete assurance of each examination target * functional info on community undefined * countless numbers of not easy perform questions, within the publication and at the CD * modern examination coaching software program, together with a trying out engine and digital flashcards Authoritative insurance of all examination goals, together with: middle undefined * deploy, configuration, and upgrading * Diagnosing and troubleshooting * Preventive upkeep * Motherboards, processors, and reminiscence * Printers * simple networking working method applied sciences * OS basics * set up, configuration, and upgrading * Diagnosing and troubleshooting * Networks

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ISA Expansion Slots If you have a computer made before 1997, chances are the motherboard has a few Industry Standard Architecture (ISA) expansion slots. They’re easily recognizable, because they are usually black and have two parts: one shorter and one longer. Computers made after 1997 generally include a few ISA slots for backward compatibility with old expansion cards (although most computers are phasing them out in favor of PCI). 17 shows an example of ISA expansion slots. 17 ISA expansion slots VL-Bus, an expansion of ISA, was designed to provide 32-bit, processor-direct capabilities to ISA.

2. A. The Ctrl key is used to select noncontiguous files; the Shift key is used to select contiguous files. See Chapter 12 for more information. 3. D. SCANDISK is used to check a disk drive for errors or problems. Disk Cleanup is used to delete unneeded files. Disk Defragmenter is used to arrange data so that it is more easily accessed. See Chapter 12 for more information. 4. A. Although 8MB is the bare minimum to load the operating system, Microsoft recommends at least 16–32MB of memory. See Chapter 14 for more information.

Metal pins in the bottom make contact with the soldered tabs on each memory module. Small metal or plastic tabs on each side of the slot keep the memory module securely in its slot. , 1151 Marina Village Parkway, Alameda, CA 94501. com The Motherboard 23 Central Processing Unit (CPU) and Processor Socket or Slot The “brain” of any computer is the Central Processing Unit (CPU). This component does all the calculations and performs 90 percent of all the functions of a computer. ” Typically, in today’s computers, the processor is the easiest component to identify on the motherboard.

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A+ Complete Study Guide, Third Edition (220-301 and 220-302) by David Groth

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