By David Groth
This is the ebook you must organize for CompTIA's A+ examination. the main up to date content material had to cross the A+ center examination and the most recent assurance of reminiscence, bus, peripherals, and instant applied sciences for the working platforms examination. This learn advisor offers: * complete insurance of each examination aim * useful info on community undefined * thousands of hard perform questions, within the e-book and at the CD * modern examination education software program, together with a checking out engine and digital flashcards Authoritative insurance of all examination targets, together with: middle undefined * set up, configuration, and upgrading * Diagnosing and troubleshooting * Preventive upkeep * Motherboards, processors, and reminiscence * Printers * easy networking working process applied sciences * OS basics * set up, configuration, and upgrading * Diagnosing and troubleshooting * Networks
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Extra info for A+ Complete Study Guide, Third Edition (220-301 and 220-302)
Com 32 Chapter 1 PC Architecture Older CPUs are generally square, with transistors arranged in a Pin Grid Array (PGA). Prior to 1981, chips were found in a rectangle with two rows of 20 pins known as a Dual Inline Package (DIP). 36. There are still integrated circuits that use the DIP form factor. However, the DIP form factor is no longer used for PC CPUs. Most CPUs use either the PGA or the Single Edge Contact Card (SECC) form factor. SECC is essentially a PGA-type socket on a special expansion card.
1151 Marina Village Parkway, Alameda, CA 94501. com The Case 9 to keep the small form factor of a desktop case but also keep the look of a tower, which is more visually appealing. Mini towers are often used in low-end or entry-level computer systems to keep the price down. They are the cheapest possible tower-style case you can buy. 5 shows an example of a mini tower case. 5 A mini tower case The main drawback to mini tower cases is their relatively small size. Most components are packed inside these cases with relatively little room for airflow, so the cases tend to be used for computer configurations that don’t have many components (housing all-in-one motherboards, for example).
C. SYS file allows the rest of the operating system and its programs to interact directly with the system hardware and the system BIOS. Part of this file’s code is hardware drivers for common devices (such as serial and communication ports and disk drives). See Chapter 13 for more information. 11. A. The MSCONFIG utility is used to edit configuration files easily and graphically. See Chapter 13 for more information. 12. A. The FAT32 filesystem offers several enhancements to the FAT16 filesystem.